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ORGANIC SPECTROSCOPY

Read all about Organic Spectroscopy on ORGANIC SPECTROSCOPY INTERNATIONAL 

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DR ANTHONY MELVIN CRASTO Ph.D

DR ANTHONY MELVIN CRASTO Ph.D

DR ANTHONY MELVIN CRASTO, Born in Mumbai in 1964 and graduated from Mumbai University, Completed his Ph.D from ICT, 1991,Matunga, Mumbai, India, in Organic Chemistry, The thesis topic was Synthesis of Novel Pyrethroid Analogues, Currently he is working with GLENMARK LIFE SCIENCES LTD, Research Centre as Principal Scientist, Process Research (bulk actives) at Mahape, Navi Mumbai, India. Total Industry exp 30 plus yrs, Prior to joining Glenmark, he has worked with major multinationals like Hoechst Marion Roussel, now Sanofi, Searle India Ltd, now RPG lifesciences, etc. He has worked with notable scientists like Dr K Nagarajan, Dr Ralph Stapel, Prof S Seshadri, Dr T.V. Radhakrishnan and Dr B. K. Kulkarni, etc, He did custom synthesis for major multinationals in his career like BASF, Novartis, Sanofi, etc., He has worked in Discovery, Natural products, Bulk drugs, Generics, Intermediates, Fine chemicals, Neutraceuticals, GMP, Scaleups, etc, he is now helping millions, has 9 million plus hits on Google on all Organic chemistry websites. His friends call him Open superstar worlddrugtracker. His New Drug Approvals, Green Chemistry International, All about drugs, Eurekamoments, Organic spectroscopy international, etc in organic chemistry are some most read blogs He has hands on experience in initiation and developing novel routes for drug molecules and implementation them on commercial scale over a 30 PLUS year tenure till date June 2021, Around 35 plus products in his career. He has good knowledge of IPM, GMP, Regulatory aspects, he has several International patents published worldwide . He has good proficiency in Technology transfer, Spectroscopy, Stereochemistry, Synthesis, Polymorphism etc., He suffered a paralytic stroke/ Acute Transverse mylitis in Dec 2007 and is 90 %Paralysed, He is bound to a wheelchair, this seems to have injected feul in him to help chemists all around the world, he is more active than before and is pushing boundaries, He has 9 million plus hits on Google, 2.5 lakh plus connections on all networking sites, 90 Lakh plus views on dozen plus blogs, 233 countries, 7 continents, He makes himself available to all, contact him on +91 9323115463, email amcrasto@gmail.com, Twitter, @amcrasto , He lives and will die for his family, 90% paralysis cannot kill his soul., Notably he has 33 lakh plus views on New Drug Approvals Blog in 233 countries......https://newdrugapprovals.wordpress.com/ , He appreciates the help he gets from one and all, Friends, Family, Glenmark, Readers, Wellwishers, Doctors, Drug authorities, His Contacts, Physiotherapist, etc

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Mobocertinib


Mobocertinib - Wikipedia
Mobocertinib.png

Mobocertinib

1847461-43-1

MF C32H39N7O4
MW 585.70

propan-2-yl 2-[4-[2-(dimethylamino)ethyl-methylamino]-2-methoxy-5-(prop-2-enoylamino)anilino]-4-(1-methylindol-3-yl)pyrimidine-5-carboxylate

TAK-788AP32788TAK788UNII-39HBQ4A67LAP-3278839HBQ4A67L

US10227342, Example 10MFCD32669806NSC825519s6813TAK-788;AP32788WHO 11183

NSC-825519example 94 [WO2015195228A1]GTPL10468BDBM368374BCP31045EX-A3392

US FDA APPROVED 9/15/2021, Exkivity, To treat locally advanced or metastatic non-small cell lung cancer with epidermal growth factor receptor exon 20 insertion mutation

Mobocertinib succinate Chemical Structure

Mobocertinib succinate Chemical Structure

CAS No. : 2389149-74-8

Molecular Weight703.78
FormulaC₃₆H₄₅N₇O₈
img

Mobocertinib mesylateCAS# 2389149-85-1 (mesylate)C33H43N7O7S
Molecular Weight: 681.809

CAS #: 2389149-85-1 (mesylate)   1847461-43-1 (free base)   2389149-74-8 (succinate)   2389149-76-0 (HBr)   2389149-79-3 (HCl)   2389149-81-7 (sulfate)   2389149-83-9 (tosylate)   2389149-87-3 (oxalate)   2389149-89-5 (fumarate)

JAPANESE ACCEPTED NAME

Mobocertinib Succinate

Propan-2-yl 2-[4-{[2-(dimethylamino)ethyl](methyl)amino}-2-methoxy-5-(prop-2-enamido)anilino]-4-(1-methyl-1H-indol-3-yl)pyrimidine-5-carboxylate monosuccinate

C32H39N7O4▪C4H6O4 : 703.78
[2389149-74-8]

FDA grants accelerated approval to mobocertinib for metastatic non-small cell lung cancer with EGFR exon 20 insertion mutations……. https://www.fda.gov/drugs/resources-information-approved-drugs/fda-grants-accelerated-approval-mobocertinib-metastatic-non-small-cell-lung-cancer-egfr-exon-20

On September 15, 2021, the Food and Drug Administration granted accelerated approval to mobocertinib (Exkivity, Takeda Pharmaceuticals, Inc.) for adult patients with locally advanced or metastatic non-small cell lung cancer (NSCLC) with epidermal growth factor receptor (EGFR) exon 20 insertion mutations, as detected by an FDA-approved test, whose disease has progressed on or after platinum-based chemotherapy.

Today, the FDA also approved the Oncomine Dx Target Test (Life Technologies Corporation) as a companion diagnostic device to select patients with the above mutations for mobocertinib treatment.

Approval was based on Study 101, an international, non-randomized, open-label, multicohort clinical trial (NCT02716116) which included patients with locally advanced or metastatic NSCLC with EGFR exon 20 insertion mutations. Efficacy was evaluated in 114 patients whose disease had progressed on or after platinum-based chemotherapy. Patients received mobocertinib 160 mg orally daily until disease progression or intolerable toxicity.

The main efficacy outcome measures were overall response rate (ORR) according to RECIST 1.1 as evaluated by blinded independent central review (BICR) and response duration. The ORR was 28% (95% CI: 20%, 37%) with a median response duration of 17.5 months (95% CI: 7.4, 20.3).

The most common adverse reactions (>20%) were diarrhea, rash, nausea, stomatitis, vomiting, decreased appetite, paronychia, fatigue, dry skin, and musculoskeletal pain. Product labeling includes a boxed warning for QTc prolongation and Torsades de Pointes, and warnings for interstitial lung disease/pneumonitis, cardiac toxicity, and diarrhea.

The recommended mobocertinib dose is 160 mg orally once daily until disease progression or unacceptable toxicity.

View full prescribing information for mobocertinib.

This indication is approved under accelerated approval based on overall response rate and duration of response. Continued approval for this indication may be contingent upon verification and description of clinical benefit in a confirmatory trial(s).

This review was conducted under Project Orbis, an initiative of the FDA Oncology Center of Excellence. Project Orbis provides a framework for concurrent submission and review of oncology drugs among international partners. For this review, FDA collaborated with the Australian Therapeutic Goods Administration (TGA), the Brazilian Health Regulatory Agency (ANVISA), and United Kingdom’s Medicines & Healthcare products Regulatory Agency (MHRA). The application reviews are ongoing at the other regulatory agencies.

This review used the Assessment Aid, a voluntary submission from the applicant to facilitate the FDA’s assessment. The FDA approved this application approximately 6 weeks ahead of the FDA goal date.

This application was granted priority review, breakthrough therapy designation and orphan drug designation. A description of FDA expedited programs is in the Guidance for Industry: Expedited Programs for Serious Conditions-Drugs and Biologics.Takeda’s EXKIVITY™ (mobocertinib) Approved by U.S. FDA as the First Oral Therapy Specifically Designed for Patients with EGFR Exon20 Insertion+ NSCLC…….. https://www.takeda.com/newsroom/newsreleases/2021/takeda-exkivity-mobocertinib-approved-by-us-fda/September 15, 2021

  • Approval based on Phase 1/2 trial results, which demonstrated clinically meaningful responses with a median duration of response (DoR) of approximately 1.5 years
  • Next-generation sequencing (NGS) companion diagnostic test approved simultaneously to support identification of patients with EGFR Exon20 insertion mutations

OSAKA, Japan, and CAMBRIDGE, Mass. September 15, 2021 – Takeda Pharmaceutical Company Limited (TSE:4502/NYSE:TAK) (“Takeda”) today announced that the U.S. Food and Drug Administration (FDA) has approved EXKIVITY (mobocertinib) for the treatment of adult patients with locally advanced or metastatic non-small cell lung cancer (NSCLC) with epidermal growth factor receptor (EGFR) exon 20 insertion mutations as detected by an FDA-approved test, whose disease has progressed on or after platinum-based chemotherapy. EXKIVITY, which was granted priority review and received Breakthrough Therapy Designation, Fast Track Designation and Orphan Drug Designation from the FDA, is the first and only approved oral therapy specifically designed to target EGFR Exon20 insertion mutations. This indication is approved under Accelerated Approval based on overall response rate (ORR) and DoR. Continued approval for this indication may be contingent upon verification and description of clinical benefit in a confirmatory trial.

“The approval of EXKIVITY introduces a new and effective treatment option for patients with EGFR Exon20 insertion+ NSCLC, fulfilling an urgent need for this difficult-to-treat cancer,” said Teresa Bitetti, president, Global Oncology Business Unit, Takeda. “EXKIVITY is the first and only oral therapy specifically designed to target EGFR Exon20 insertions, and we are particularly encouraged by the duration of the responses observed with a median of approximately 1.5 years. This approval milestone reinforces our commitment to meeting the needs of underserved patient populations within the oncology community.”

The FDA simultaneously approved Thermo Fisher Scientific’s Oncomine Dx Target Test as an NGS companion diagnostic for EXKIVITY to identify NSCLC patients with EGFR Exon20 insertions. NGS testing is critical for these patients, as it can enable more accurate diagnoses compared to polymerase chain reaction (PCR) testing, which detects less than 50% of EGFR Exon20 insertions.

“EGFR Exon20 insertion+ NSCLC is an underserved cancer that we have been unable to target effectively with traditional EGFR TKIs,” said Pasi A. Jänne, MD, PhD, Dana Farber Cancer Institute. “The approval of EXKIVITY (mobocertinib) marks another important step forward that provides physicians and their patients with a new targeted oral therapy specifically designed for this patient population that has shown clinically meaningful and sustained responses.”

“Patients with EGFR Exon20 insertion+ NSCLC have historically faced a unique set of challenges living with a very rare lung cancer that is not only underdiagnosed, but also lacking targeted treatment options that can improve response rates,” said Marcia Horn, executive director, Exon 20 Group at ICAN, International Cancer Advocacy Network. “As a patient advocate working with EGFR Exon20 insertion+ NSCLC patients and their families every day for nearly five years, I am thrilled to witness continued progress in the fight against this devastating disease and am grateful for the patients, families, healthcare professionals and scientists across the globe who contributed to the approval of this promising targeted therapy.”

The FDA approval is based on results from the platinum-pretreated population in the Phase 1/2 trial of EXKIVITY, which consisted of 114 patients with EGFR Exon20 insertion+ NSCLC who received prior platinum-based therapy and were treated at the 160 mg dose. Results were presented at the 2021 American Society of Clinical Oncology (ASCO) Annual Meeting from the Phase 1/2 trial and demonstrated a confirmed ORR of 28% per independent review committee (IRC) (35% per investigator) as well as a median DoR of 17.5 months per IRC, a median overall survival (OS) of 24 months and a median progression-free survival (PFS) of 7.3 months per IRC.

The most common adverse reactions (>20%) were diarrhea, rash, nausea, stomatitis, vomiting, decreased appetite, paronychia, fatigue, dry skin, and musculoskeletal pain. The EXKIVITY Prescribing Information includes a boxed warning for QTc prolongation and Torsades de Pointes, and warnings and precautions for interstitial lung disease/pneumonitis, cardiac toxicity, and diarrhea.

The FDA review was conducted under Project Orbis, an initiative of the FDA Oncology Center of Excellence (OCE), which provides a framework for concurrent submission and review of oncology products among international partners. We look forward to continuing our work with regulatory agencies across the globe to bring mobocertinib to patients.

About EXKIVITY (mobocertinib)

EXKIVITY is a first-in-class, oral tyrosine kinase inhibitor (TKI) specifically designed to selectively target epidermal growth factor receptor (EGFR) Exon20 insertion mutations.

EXKIVITY is approved in the U.S. for the treatment of adult patients with locally advanced or metastatic non-small cell lung cancer (NSCLC) with EGFR exon 20 insertion mutations as detected by an FDA-approved test, whose disease has progressed on or after platinum-based chemotherapy.

Results from the Phase 1/2 trial of mobocertinib have also been accepted for review by the Center for Drug Evaluation (CDE) in China for locally advanced or metastatic NSCLC patients with EGFR Exon20 insertion mutations who have been previously treated with at least one prior systemic chemotherapy.

For more information about EXKIVITY, visit http://www.EXKIVITY.com. For the Prescribing Information, including the Boxed Warning, please visit https://takeda.info/Exkivity-Prescribing-Information.

About EGFR Exon20 Insertion+ NSCLC

Non-small cell lung cancer (NSCLC) is the most common form of lung cancer, accounting for approximately 85% of the estimated 2.2 million new cases of lung cancer diagnosed each year worldwide, according to the World Health Organization.1,2 Patients with epidermal growth factor receptor (EGFR) Exon20 insertion+ NSCLC make up approximately 1-2% of patients with NSCLC, and the disease is more common in Asian populations compared to Western populations.3-7 This disease carries a worse prognosis than other EGFR mutations, as EGFR TKIs – which do not specifically target EGFR Exon20 insertions – and chemotherapy provide limited benefit for these patients.

Takeda is committed to continuing research and development to meet the needs of the lung cancer community through the discovery and delivery of transformative medicines.

EXKIVITY IMPORTANT SAFETY INFORMATION

QTc Interval Prolongation and Torsades de PointesEXKIVITY can cause life-threatening heart rate-corrected QT (QTc) prolongation, including Torsades de Pointes, which can be fatal, and requires monitoring of QTc and electrolytes at baseline and periodically during treatment. Increase monitoring frequency in patients with risk factors for QTc prolongation.  Avoid use of concomitant drugs which are known to prolong the QTc interval and use of strong or moderate CYP3A inhibitors with EXKIVITY, which may further prolong the QTc.  Withhold, reduce the dose, or permanently discontinue EXKIVITY based on the severity of QTc prolongation.

Interstitial Lung Disease (ILD)/Pneumonitis: Monitor patients for new or worsening pulmonary symptoms indicative of ILD/pneumonitis. Immediately withhold EXKIVITY in patients with suspected ILD/pneumonitis and permanently discontinue EXKIVITY if ILD/pneumonitis is confirmed.

Cardiac Toxicity: Monitor cardiac function, including left ventricular ejection fraction, at baseline and during treatment. Withhold, resume at reduced dose or permanently discontinue based on severity.

Diarrhea: Diarrhea may lead to dehydration or electrolyte imbalance, with or without renal impairment. Monitor electrolytes and advise patients to start an antidiarrheal agent at first episode of diarrhea and to increase fluid and electrolyte intake. Withhold, reduce the dose, or permanently discontinue EXKIVITY based on the severity.

Embryo-Fetal Toxicity: Can cause fetal harm. Advise females of reproductive potential of the potential risk to a fetus and to use effective non-hormonal contraception.

Mobocertinib, sold under the brand name Exkivity, is used for the treatment of non-small cell lung cancer.[2][3]

The most common side effects include diarrhea, rash, nausea, stomatitis, vomiting, decreased appetite, paronychiafatigue, dry skin, and musculoskeletal pain.[2]

Mobocertinib is a small molecule tyrosine kinase inhibitor. Its molecular target is epidermal growth factor receptor (EGFR) bearing mutations in the exon 20 region.[4][5]

Mobocertinib was approved for medical use in the United States in September 2021.[2][3] It is a first-in-class oral treatment to target EGFR Exon20 insertion mutations.[3]

Medical uses

Mobocertinib is indicated for adults with locally advanced or metastatic non-small cell lung cancer (NSCLC) with epidermal growth factor receptor (EGFR) exon 20 insertion mutations, as detected by an FDA-approved test, whose disease has progressed on or after platinum-based chemotherapy.[2]

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PATENT

WO 2019222093

https://patents.google.com/patent/WO2019222093A1

Figure imgf000004_0002

Scheme I

Figure imgf000018_0001
Figure imgf000020_0001
Figure imgf000024_0001

Example 1 Procedure for the preparation of isopropyl 2-((5-acrylamido-4-((2- (dimethylamino)ethyl) (methyl)amino)-2-methoxyphenyl)amino)-4-(l -methyl- lH-indol-3- yl)pyrimidine-5-carboxylate (Compound (A)).

Figure imgf000049_0001

[00351] Step 1 : Preparation of isopropyl 2-chloro-4-(l -methyl- lH-indo 1-3 -yl)pyrimidine-5- carboxylate.

Figure imgf000049_0002

[00352] To a 2 L Radley reactor equipped with a mechanical stirrer, a thermometer, and a refluxing condenser was charged isopropyl 2,4-dichloropyrimidine-5-carboxylate (100 g, 42.5 mmol, 1.00 eq.) andl,2-dimethoxyethane (DME, 1.2 L, 12 vol) at RT. The mixture was cooled to 3 °C, and granular AlCb (65.5 g, 49.1 mmol, 1.15 eq.) was added in 2 portions (IT 3-12 °C, jacket set 0 °C). The white slurry was stirred 15-25 °C for 60 minutes. 1 -Methylindole (59 g, 44.9 mmol, 1.06 eq.) was added in one portion (IT 20-21°C). DME (100 mL) was used to aid 1- Methylindole transfer. The reaction mixture was aged for at 35 °C for 24 h. Samples (1 mL) were removed at 5 h and 24 h for HPLC analysis (TM1195).[00353] At 5 h the reaction had 70 % conversion, while after 24 h the desired conversion was attained (< 98%).[00354] The reaction mixture was cooled to 0 °C to 5 °C and stirred for 1 h. The solids were collected via filtration and washed with DME (100 mL). The solids (AlCb complex) were charged back to reactor followed by 2-MeTHF (1 L, 10 vol), and water (400 mL, 4 vol). The mixture was stirred for 10 minutes. The stirring was stopped to allow the layers to separate.The organic phase was washed with water (200 mL, 2 vol). The combined aqueous phase was re-extracted with 2-MeTHF (100 mL, 1 vol).[00355] During workup a small amount of product title compound started to crystallize.Temperature during workup should be at about 25-40 °C.[00356] The combined organic phase was concentrated under mild vacuum to 300-350 mL (IT 40-61 °C). Heptane (550 mL) was charged while maintaining the internal temperature between 50 °C and 60 °C. The resulting slurry was cooled at 25 °C over 15 minutes, aged for 1 h (19-25 °C) and the resulting solids isolated by filtration.[00357] The product was dried at 50 °C under vacuum for 3 days to yield 108.1 g (77 % yield) of the title compound, in 100% purity (AUC) as a yellow solid.‘H NMR (400 MHz, DMSO-i/e) d ppm 1.24 (d, J= 6.53 Hz, 6 H) 3.92 (s, 3 H) 5.19 (spt, J=6.27 Hz, 1 H) 7.25 – 7.35 (m, 2 H) 7.59 (d, J=8.03 Hz, 1 H) 8.07 (s, 1 H) 8.16 (d, J= 7.53 Hz, 1 H) 8.82 (s, 1 H).[00358] Step 2: Preparation of isopropyl 2-((4-fhioro-2-methoxy-5-nitrophenyl)amino)-4-(l- methyl-lH-indol-3-yl)pyrimidine-5-carboxylate.

Figure imgf000050_0001

[00359] A mixture of the product of step 1 (85.0 g, 258 mmol, 1.0 eq.), 4-fluoro-2-methoxy- 5nitroaniline (57.0 g, 306 mmol, 1.2 eq.) and PTSA monohydrate (13.3 g, 70.0 mmol, 0.27 eq.) in acetonitrile (1.4 L, 16.5 v) was heated to 76-81 °C under nitrogen in a 2 L Radley reactor. IPC at 19 h indicated that the reaction was complete.[00360] The reaction mixture was cooled to 25 °C and water (80 mL) was charged in one portion (IT during charge dropped from 25 °C to 19 °C). The reaction mixture was aged for 1 h at 21 °C and then the resulting solids were isolated by filtration. The product was washed with EtOAc (2 x 150 mL) and dried in high vacuum at 50 °C to 60 °C for 44 h to give 121.5 g of the title compound (98% yield), HPLC purity 100 % a/a; NMR indicated that PTSA was purged.¾ NMR (400 MHz, DMSO-7,) d ppm 1.21 (d, 7=6.02 Hz, 6 H) 3.91 (s, 3 H) 4.02 (s, 3 H) 5.09 (spt, 7=6.27 Hz, 1 H) 7.10 (t, 7=7.53 Hz, 1 H) 7.26 (t, 7=7.58 Hz, 1 H) 7.42 (d, 7=13.05 Hz, 1 H) 7.55 (d, 7=8.53 Hz, 1 H) 7.90 (br d, 7=7.53 Hz, 1 H) 7.98 (s, 1 H) 8.75 (s, 1 H) 8.88 (d, 7=8.03 Hz, 1 H) 9.03 (s, 1 H).[00361] Step 3: Preparation of isopropyl 2-((4-((2-(dimethylamino)ethyl(methyl)amino)-2- methoxy-5-nitrophenyl)amino)-4-(l-methyl-lH-indol-3-yl)pyrimidine-5-carboxylate.

Figure imgf000051_0001

[00362] A 50 L flask was charged 1.500 kg of the product of step 2 (3.1 moles, l.O equiv.), 639.0 g A,A,A-trimethylethylenediamine (6.3 mol, 2 equiv.), and 21 L MeCN. The resulting slurry was mixed for 7 hours at reflux. The reaction was cooled overnight. Water (16.5 L) was added before the solids were isolated. After isolation of the solids, a wash of 2.25 L MeCN in 2.25 L water was conducted to provide the title compound. The solids were dried, under vacuum, at 75 °C. HPLC purity a/a % of the dry solid was 99.3%.¾ NMR (400 MHz, DMSO-7,) d ppm 1.22 (d, 7=6.02 Hz, 6 H) 2.09 – 2.13 (m, 1 H) 2.19 (s, 6 H) 2.49 – 2.52 (m, 1 H) 2.89 (s, 3 H) 3.29 – 3.35 (m, 2 H) 3.89 (s, 3 H) 3.94 (s, 3 H) 5.10 (spt, 7=6.19 Hz, 1 H) 6.86 (s, 1 H) 7.07 (br t, 7=7.53 Hz, 1 H) 7.24 (t, 7=7.28 Hz, 1 H) 7.53 (d, 7=8.53Hz, 1 H) 7.86 – 8.02 (m, 2 H) 8.36 (s, 1 H) 8.69 (s, 1 H) 8.85 (s, 1 H).[00363] Step 4: Preparation of isopropyl 2-((5-amino-4-((2-(dimethylamino)ethyl)(methyl)- amino)-2-methoxyphenyl)amino)-4-(l -methyl- lH-indo 1-3 -yl)pyrimidine-5-carboxy late.

Figure imgf000051_0002

[00364] To a mixture of the product of step 3 (1.501 kg, 2.67 mol, 1.00 eq.) and 10% Pd/C (64 % wet, 125.0 g, 0.01 1 eq.) was added 2-MeTHF (17.7 L) in a 20 L pressure reactor. The mixture was hydrogenated at 6- 10 psi ¾ and at 40 °C until IPC indicated complete conversion (1 1 h, the reaction product 99.0%). The reaction mixture was filtered (Celite), and the pad rinsed with MeTHF (2.5 L total). The filtrate was stored under N2 in a refrigerator until crystallization.[00365] Approximately 74% of 2-MeTHF was evaporated under reduced pressure while maintaining IT 23-34 °C (residual volume in the reactor was approximately 4.8 L). To the mixture was added n-heptane (6 L) over 15 min via dropping funnel. The resulting slurry was aged at room temperature overnight. The next day the solids on the walls were scraped to incorporate them into the slurry and the solids were isolated by filtration. The isolated solids were washed with n-heptane containing 5% MeTFlF (2 x 750 mL), and dried (75 °C, 30 inch Flg) to yield 1287 g (91 % yield) of the title compound as a yellow solid. F1PLC purity: 99.7% pure.[00366] ¾ NMR (400 MHz, DMSO- ) d ppm 1.20 (d, .7=6.02 Hz, 6 H) 2.21 (s, 6 H) 2.37 -2.44 (m, 2 H) 2.68 (s, 3 H) 2.93 (t, .7=6.78 Hz, 2 H) 3.74 (s, 3 H) 3.90 (s, 3 H) 4.60 (s, 2 H) 5.08 (spt, 7=6.19 Hz, 1 H) 6.80 (s, 1 H) 7.08 – 7.15 (m, 1 H) 7.19 – 7.26 (m, 2 H) 7.52 (d, .7=8.03 Hz, 1 H) 7.94 – 8.01 (m, 2 H) 8.56 (s, 1 H) 8.66 (s, 1 H).[00367] Step 5: Preparation of isopropyl 2-((4-((2-(dimethylamino)ethyl)(methyl)amino)-2- methoxy-5 -(3 -(phenylsulfonyl)propanamido)phenyl)amino)-4-(l -methyl- lH-indol-3- yl)pyrimidine-5-carboxylate.

Figure imgf000052_0001

lnt-5[00368] A mixture of the product of step 4 (1.284 kg, 2.415 mol, 1.0 eq.) and 3- (phenylsulfonyl)propionic acid (0.5528 kg, 2.580 mol, 1.07 eq.) in anhydrous DCM (8.5 L) was cooled to 2 °C, and treated with DIEA (0.310 kg, 2.399 mol, 1.0 eq.). To the reaction mixture was charged over 40 min, 50 % w/w T3P in MeTHF (1.756 kg, 2.759 mol, 1.14 eq.) while maintaining the internal temperature between 0 °C and 8 °C. The mixture was stirred at 0 °C to 5 °C for 15 minutes and then warmed over 30 min to 15 °C then held at 15 °C to 30 °C for 60 min.[00369] The reaction was quenched with water (179 mL). The reaction mixture was stirred at ambient temperature for 30 min then DIEA (439 g) was charged in one portion. The resulting mixture was aged for 15 min, and then treated with 5% aqueous K2CO3 (7.3 L) at 22-25 °C. The organic layer was separated and the aqueous layer back extracted with DCM (6.142 L). The combined organic extract was washed with brine (2 x 5.5 L).[00370] The organic extract was concentrated to 6.5 L, diluted with EtOFl, 200 Proof (14.3 kg), and the mixture concentrated under vacuum (23-25 inch Flg/IT40-60 °C) to a residual volume of 12.8 L.[00371] The residual slurry was treated with EtOFl, 200 Proof (28.8 Kg), and heated to 69 °C to obtain a thin slurry. The reaction mixture was cooled to 15 °C over 2 h, and stored overnight at 15 °C under nitrogen.[00372] The next day, the mixture was cooled to 5 °C, and aged for 30 minutes. The resulting solid was isolated by filtration, washed with EtOFl (2 x 2.16 kg) and dried to give 1.769 kg (100% yield) of the title compound. F1PLC purity 99.85%.‘H NMR (400 MHz, DMSO-i¾ d ppm 1.08 – 1.19 (m, 8 H) 2.15 (s, 6 H) 2.32 (t, J= 5.77 Hz, 2 H) 2.66 – 2.76 (m, 5 H) 2.88 (br t, J= 5.52 Hz, 2 H) 3.48 (qd, J= 7.03, 5.02 Hz, 1 H) 3.60 – 3.69 (m, 2 H) 3.83 (s, 3 H) 3.89 (s, 3 H) 4.40 (t, J=5.02 Hz, 1 H) 5.04 (quin, J=6.27 Hz, 1 H) 7.01 – 7.09 (m, 2 H) 7.22 (t, J= 7.53 Hz, 1 H) 7.52 (d, J= 8.53 Hz, 1 H) 7.67 – 7.82 (m, 4 H) 7.97 (s, 1 H) 7.98 – 8.00 (m, 1 H) 8.14 (s, 1 H) 8.61 – 8.70 (m, 3 H) 10.09 (s, 1 H).[00373] Step 6: Preparation of isopropyl 2-((5-acrylamido-4-((2-(dimethylamino)ethyl) (methyl)amino)-2-methoxyphenyl)amino)-4-(l -methyl- lH-indol-3-yl)pyrimidine-5-carboxylate (Compound (A)).

Figure imgf000053_0001

compound (A)[00374] The product of step 5 (1.600 kg, 2.198 mol, 1.0 equiv.) was dissolved in anhydrous THF (19.5 kg) and was treated at -1 °C to 1 °C with 2M KOSi(CH3)3 in THF (2.72 L, 5.44 mol, 2.47 equiv.). KOSi(CFb)3 was added over 5 minutes, reactor jacket set at -5 °C to 10 °C. 2 M KOSi(CFh)3 solution was prepared by dissolving 871 g of KOSi(CFh)3 technical grade (90%) in 3.056 L of anhydrous TF1F.[00375] The reaction mixture was aged for 60 minutes. Potable water (22 L) was charged to the reaction mixture over 1 10 minutes, while maintaining temperature at 2-7 °C. The resulting suspension was aged at 3-7 °C for 60 minutes; the product was isolated by filtration (the filtration rate during crude product isolation was (1.25 L/min), washed with potable water (2 x 1.6 L) and air dried overnight and then in high vacuum for 12 h at 45 °C to give 1.186 kg of crude title compound (92% yield).‘H NMR (500 MHz, DMSO-i¾ d ppm 1.05 (t, J= 7.09 Hz, 2 H) 1.1 1 (d, J= 6.36 Hz, 6 H) 2.1 1 (s, 6 H) 2.28 (br t, .7=5.38 Hz, 3 H) 2.55 – 2.67 (m, 3 H) 2.69 (s, 3 H) 2.83 (br t, .7=5.38 Hz, 3 H) 3.31 (s, 3 H) 3.36 – 3.51 (m, 2 H) 3.54 – 3.70 (m, 3 H) 3.75 – 3.82 (m, 3 H) 4.33 (t, .7=5.14 Hz, 1 H) 4.99 (dt, 7=12.35, 6.30 Hz, 2 H) 5.75 (s, 1 H) 6.95 – 7.07 (m, 2 H) 7.17 (br t, .7=7.58 Hz, 2 H) 7.48 (d, 7=8.31 Hz, 2 H) 7.62 – 7.71 (m, 3 H) 7.71 – 7.83 (m, 2 H) 7.93 (d, .7=7.83 Hz, 3 H) 8.09 (s, 2 H) 8.53 – 8.67 (m, 3 H) 10.03 (s, 2 H).[00376] Step 7: Preparation of polymorphic Form-I of isopropyl 2-((5-acrylamido-4-((2- (dimethylamino)ethyl) (methyl)amino)-2-methoxyphenyl)amino)-4-(l -methyl- lH-indol-3- yl)pyrimidine-5-carboxylate (Free base Compound (A)).[00377] Method 1 : The crude product of step 6 (1.130 kg) was recrystallized by dissolving it in EtOAc (30.1 kg) at 75 °C, polish filtered (1.2 pm in-line filter), followed by concentration of the filtrate to 14 L of residue (IT during concentration is 58-70 °C). The residual slurry was cooled to 0 °C over 70 minutes and then aged at 0-2 °C for 30 minutes. Upon isolation the product was dried to a constant weight to give 1.007 kg (89% recovery) of the title compound as polymorphic Form-I. Purity (HPLC, a/a %, 99.80%).

PATENT

WO 2015195228

https://patents.google.com/patent/WO2015195228A1/en

PATENT

US10227342, Example 10

https://patents.google.com/patent/US10227342

 
 isopropyl 2-((5-acrylamido-4-((2-R13
 (dimethylamino)ethyl)(methyl)amino)-2- 
 methoxyphenyl)amino)-4-(1-methyl-1H- 
 indol-3-yl)pyrimidine-5-carboxylate 
 1H NMR (CDCl3) δ 10.15 (s, 1 H), 9.80 
 (s, 1 H), 8.91 (s, 1 H), 8.70 (br. s., 1 H), 
 7.91 (s, 1 H), 7.48-7.71 (m, 1 H), 7.15- 
 7.37 (m, 3 H), 6.81 (s, 1 H), 6.49 (dd, 
 J = 17.07, 1.88 Hz, 1 H), 6.36 (dd, 
 J = 16.94, 10.04 Hz, 1 H), 5.73 (dd, 
 J = 10.04, 1.88 Hz, 1 H), 5.02 (dt, 
 J = 12.45, 6.26 Hz, 1 H), 4.00 (s, 3 H), 
 3.90 (s, 3 H), 2.86-2.93 (m, 2 H), 2.76 
 (s, 3 H), 2.26-2.31 (m, 8 H), 1.05 (d, 
 J = 6.15 Hz, 6 H) 
 ESI-MS m/z: 586.3 [M + H]+

 

 

 

 

 

 

 

 

 

 

 

 

 

References

  1. Jump up to:a b https://www.accessdata.fda.gov/drugsatfda_docs/label/2021/215310s000lbl.pdf
  2. Jump up to:a b c d e “FDA grants accelerated approval to mobocertinib for metastatic non-sma”U.S. Food and Drug Administration (FDA). 16 September 2021. Retrieved 16 September 2021. Public Domain This article incorporates text from this source, which is in the public domain.
  3. Jump up to:a b c “Takeda’s Exkivity (mobocertinib) Approved by U.S. FDA as the First Oral Therapy Specifically Designed for Patients with EGFR Exon20 Insertion+ NSCLC” (Press release). Takeda Pharmaceutical Company. 15 September 2021. Retrieved 16 September 2021 – via Business Wire.
  4. ^ “TAK-788 as First-line Treatment Versus Platinum-Based Chemotherapy for Non-Small Cell Lung Cancer (NSCLC) With EGFR Exon 20 Insertion Mutations”Clinicaltrials.gov. Retrieved 17 February 2021.
  5. ^ Zhang SS, Zhu VW (2021). “Spotlight on Mobocertinib (TAK-788) in NSCLC with EGFR Exon 20 Insertion Mutations”Lung Cancer. Auckland, N.Z. 12: 61–65. doi:10.2147/LCTT.S307321PMC 8286072PMID 34285620.

External links

Clinical data
Trade namesExkivity
Other namesTAK-788
License dataUS DailyMedMobocertinib
Pregnancy
category
Contraindicated[1]
Routes of
administration
By mouth
Drug classAntineoplastic
ATC codeNone
Legal status
Legal statusUS: ℞-only [1][2]
Identifiers
showIUPAC name
CAS Number1847461-43-12389149-74-8
PubChem CID118607832
DrugBankDB16390DBSALT003192
ChemSpider84455481
UNII39HBQ4A67L
KEGGD12001D11969
ChEMBLChEMBL4650319
Chemical and physical data
FormulaC32H39N7O4
Molar mass585.709 g·mol−1
3D model (JSmol)Interactive image
showSMILES
showInChI

////////////mobocertinib, Exkivity, TAK 788, AP32788, fda 2021, approvals 2021, cancer

CC(C)OC(=O)C1=CN=C(N=C1C2=CN(C3=CC=CC=C32)C)NC4=C(C=C(C(=C4)NC(=O)C=C)N(C)CCN(C)C)OC

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