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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 PHARMACEUTICALS 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 year tenure till date Dec 2017, 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, 50 Lakh plus views on dozen plus blogs, 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 19 lakh plus views on New Drug Approvals Blog in 216 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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Europe grants conditional OK to Pfizer’s Bosulif


Good News For Pfizer’s Orphan Drug Bosulif (Bosutinib) in Europe

BOSUTINIB
4-[(2,4-dichloro-5-methoxyphenyl)amino]-6-methoxy-7-[3-(4-methylpiperazin-1-yl)propoxy]quinoline-3-carbonitrile

 

mar 28,2013

Regulators in Europe have given a partial green light to Pfizer ‘s leukaemia drug Bosulif.

The European Commission has granted conditional marketing authorisation for Bosulif (bosutinib) for the treatment of adults with chronic, accelerated or blast phase Philadelphia chromosome-positive (Ph+) chronic myelogenous leukaemia (CML). The drug can be given to patients previously treated with one or more tyrosine kinase inhibitors ie Novartis’ Gleevec (imatinib) and Tasigna (nilotinib) or Bristol-Myers Squibb’s Sprycel (dasatinib).

The European Medicines Agency’s  (EMA) Committee for Medicinal Products for Human Use (CHMP) on January 17, 2013, adopts a positive opinion, recommending a conditional marketing authhorization for Pfizer’s orphan drug Bosulif (Bosutinib) for Chronic Leukemia (CML).  Bosutinib receives orphan designation from the European Commission (EC) on August 4, 2010, for CML.

https://docs.google.com/viewer?url=http%3A%2F%2Fwww.ema.europa.eu%2Fdocs%2Fen_GB%2Fdocument_library%2FSummary_of_opinion_-_Initial_authorisation%2Fhuman%2F002373%2FWC500137464.pdf

Pfizer receives FDA approval on September 4, 2012, for orphan drug Bosulif (Bosutinib) for CML. Pfizer receives on February 24, 2009, FDA Orphan Drug Designation (ODD) for Bosutinib for CML.

 

Bosutinib (rINN/USAN; codenamed SKI-606, marketed under the trade name Bosulif) is atyrosine kinase inhibitor undergoing research for use in the treatment of cancer. [1] [2]Originally synthesized by Wyeth, it is being developed by Pfizer.

Some commercial stocks of bosutinib (from sources other than the Pfizer material used for clinical trials) have recently been found to have the incorrect chemical structure, calling the biological results obtained with them into doubt.[3]

Bosutinib received US FDA approval on September 5, 2012 for the treatment of adult patients with chronic, accelerated, or blast phase Philadelphia chromosome-positive (Ph+)chronic myelogenous leukemia (CML) with resistance, or intolerance to prior therapy.[4][5][6]

  1. Puttini M, Coluccia AM, Boschelli F, Cleris L, Marchesi E, Donella-Deana A, Ahmed S, Redaelli S, Piazza R, Magistroni V, Andreoni F, Scapozza L, Formelli F, Gambacorti-Passerini C. In vitro and in vivo activity of SKI-606, a novel Src-Abl inhibitor, against imatinib-resistant Bcr-Abl+ neoplastic cells. Cancer Res. 2006 Dec 1;66(23):11314-22. Epub 2006 Nov 17.
  2. Vultur A, Buettner R, Kowolik C, et al. (May 2008). “SKI-606 (bosutinib), a novel Src kinase inhibitor, suppresses migration and invasion of human breast cancer cells”.Mol. Cancer Ther. 7 (5): 1185–94. doi:10.1158/1535-7163.MCT-08-0126.PMC 2794837PMID 18483306.
  3.  Derek Lowe, In The Pipeline (blog), “Bosutinib: Don’t Believe the Label!”
  4. Cortes JE, Kantarjian HM, Brümmendorf TH, Kim DW, Turkina AG, Shen ZX, Pasquini R, Khoury HJ, Arkin S, Volkert A, Besson N, Abbas R, Wang J, Leip E, Gambacorti-Passerini C. Safety and efficacy of bosutinib (SKI-606) in chronic phase Philadelphia chromosome-positive chronic myeloid leukemia patients with resistance or intolerance to imatinib. Blood. 2011 Oct 27;118(17):4567-76. Epub 2011 Aug 24.
  5. Cortes JE, Kim DW, Kantarjian HM, Brümmendorf TH, Dyagil I, Griskevicus L, Malhotra H, Powell C, Gogat K, Countouriotis AM, Gambacorti-Passerini C. Bosutinib Versus Imatinib in Newly Diagnosed Chronic-Phase Chronic Myeloid Leukemia: Results From the BELA Trial. J Clin Oncol. 2012 Sep 4. [Epub ahead of print]
  6. “Bosulif Approved for Previously Treated Philadelphia Chromosome-Positive Chronic Myelogenous Leukemia”. 05 Sep 2012.

伯舒替尼 Bosutinib


Bosutinib3Dan2.gif
BOSUTINIB
4-[(2,4-dichloro-5-methoxyphenyl)amino]-6-methoxy-7-[3-(4-methylpiperazin-1-yl)propoxy]quinoline-3-carbonitrile

Bosutinib Monohydrate (伯舒替尼)

(Bosulif®)

Approved sept4 2012 by FDA

PMDA SEPT26 2014

EMA MAR 27 2013

A kinase inhibitor indicated for the treatment of adult patients with Ph+ chronic myelogenous leukemia (CML).

WYETH  INNOVATOR

PFIZER DEVELOPER

SKI-606; SK-606

CAS No.380843-75-4 (Free form)

 CAS  918639-08-4(Bosutinib Monohydrate)

Bosutinib (rINN/USAN; codenamed SKI-606, marketed under the trade name Bosulif) is atyrosine kinase inhibitor undergoing research for use in the treatment of cancer. [1] [2]Originally synthesized by Wyeth, it is being developed by Pfizer.


Some commercial stocks of bosutinib (from sources other than the Pfizer material used for clinical trials) have recently been found to have the incorrect chemical structure, calling the biological results obtained with them into doubt.[3]

Bosutinib received US FDA approval on September 5, 2012 for the treatment of adult patients with chronic, accelerated, or blast phase Philadelphia chromosome-positive (Ph+)chronic myelogenous leukemia (CML) with resistance, or intolerance to prior therapy.[4][5][6]

 

Article

Good News For Pfizer’s Orphan Drug Bosulif (Bosutinib) in Europe
January 18, 2013

The European Medicines Agency’s  (EMA) Committee for Medicinal Products for Human Use (CHMP) on January 17, 2013, adopts a positive opinion, recommending a conditional marketing authhorization for Pfizer’s orphan drug Bosulif (Bosutinib) for Chronic Leukemia (CML).  Bosutinib receives orphan designation from the European Commission (EC) on August 4, 2010, for CML.

https://docs.google.com/viewer?url=http%3A%2F%2Fwww.ema.europa.eu%2Fdocs%2Fen_GB%2Fdocument_library%2FSummary_of_opinion_-_Initial_authorisation%2Fhuman%2F002373%2FWC500137464.pdf

Pfizer receives FDA approval on September 4, 2012, for orphan drug Bosulif (Bosutinib) for CML. Pfizer receives on February 24, 2009, FDA Orphan Drug Designation (ODD) for Bosutinib for CML.

Per a September 2012 article in  FierceBioTech.com, a Pfizer spokesperson says that “the drug will cost less than $8,200/month”/patient in the US. In other words, treatment will cost approximately $98,400/patient/year. Also per FierceBiotech,“Bosulif is the 3rd new medicine from Pfizer Oncology’s pipeline to be approved by the FDA in just 13 months ….”.

ARTICLE

Pfizer’s response to compound fraud spotlights quality issues

read ………http://www.rsc.org/chemistryworld/2015/12/pfizer-bogus-bosutinib-isomer-fraud-leukaemia-drug

Synthesis

 

 

 

 

 

 

Confirmation of Bosutinib Structure; Demonstration of Controls To Ensure Product Quality

Chemical Research and Development and Analytical Research and Development, Pfizer Worldwide R&D-Groton Laboratories, 558 Eastern Point Road, Groton, Connecticut 06340, United States
Org. Process Res. Dev., Article ASAP
DOI: 10.1021/acs.oprd.5b00244
Abstract Image

Nonbranded/unauthorized vendors had been manufacturing/selling what they described as bosutinib, while the material supplied was actually an isomer of bosutinib. This raised concerns within the worldwide research community around the established control strategies for bosutinib. This manuscript summarizes that the appropriate testing was in place to ensure product quality, along with additional experimentation that was performed to confirm that testing (methods) can differentiate the potential isomeric compounds. Testing includes the use of IR for identity confirmation of raw materials, material characterization by NMR, single crystal X-ray to confirm structure, and evaluation of several potential isomers by HPLC, melting point, and IR, thus demonstrating the control strategy needed to ensure the product controls.

 

 

 

 

 

 

 

 

 

REFERENCES

  1. Puttini M, Coluccia AM, Boschelli F, Cleris L, Marchesi E, Donella-Deana A, Ahmed S, Redaelli S, Piazza R, Magistroni V, Andreoni F, Scapozza L, Formelli F, Gambacorti-Passerini C. In vitro and in vivo activity of SKI-606, a novel Src-Abl inhibitor, against imatinib-resistant Bcr-Abl+ neoplastic cells. Cancer Res. 2006 Dec 1;66(23):11314-22. Epub 2006 Nov 17.
  2. Vultur A, Buettner R, Kowolik C, et al. (May 2008). “SKI-606 (bosutinib), a novel Src kinase inhibitor, suppresses migration and invasion of human breast cancer cells”.Mol. Cancer Ther. 7 (5): 1185–94. doi:10.1158/1535-7163.MCT-08-0126.PMC 2794837PMID 18483306.
  3.  Derek Lowe, In The Pipeline (blog), “Bosutinib: Don’t Believe the Label!”
  4. Cortes JE, Kantarjian HM, Brümmendorf TH, Kim DW, Turkina AG, Shen ZX, Pasquini R, Khoury HJ, Arkin S, Volkert A, Besson N, Abbas R, Wang J, Leip E, Gambacorti-Passerini C. Safety and efficacy of bosutinib (SKI-606) in chronic phase Philadelphia chromosome-positive chronic myeloid leukemia patients with resistance or intolerance to imatinib. Blood. 2011 Oct 27;118(17):4567-76. Epub 2011 Aug 24.
  5. Cortes JE, Kim DW, Kantarjian HM, Brümmendorf TH, Dyagil I, Griskevicus L, Malhotra H, Powell C, Gogat K, Countouriotis AM, Gambacorti-Passerini C. Bosutinib Versus Imatinib in Newly Diagnosed Chronic-Phase Chronic Myeloid Leukemia: Results From the BELA Trial. J Clin Oncol. 2012 Sep 4. [Epub ahead of print]
  6. “Bosulif Approved for Previously Treated Philadelphia Chromosome-Positive Chronic Myelogenous Leukemia”. 05 Sep 2012.
  7. P Bowles et al, Org. Process Res. Dev., 2015, DOI: 10.1021/acs.oprd.5b00244

    N M Levinson and S G Boxer, PLoS One, 2012, 7, e29828 (DOI: 10.1371/journal.pone.0029828)

    9 N Beeharry et al, Cell Cycle, 2014, 13, 2172 (DOI: 10.4161/cc.29214)

     

 

update…………….

file:///C:/Users/Inspiron/Downloads/molecules-15-04261%20(1).pdf

Synthesis of Bosutinib from 3-Methoxy-4-hydroxybenzoic Acid

Jun 11, 2010 – Abstract: This paper reports a novel synthesis of bosutinib starting from … C-NMR, MS and the purities of all the compounds were determined  …


4-(2,4-Dichloro-5-methoxyphenylamino]-6-methoxy-7-[3-(4-methylpiperazin-1-yl)propoxy]quinoline- 3-carbonitrile (10). A mixture of 7-(3-chloropropoxy)-4-(2,4-dichloro-5-methoxyphenylamino)-6-methoxyquinoline-3-carbonitrile (9, 0.328 g, 0.7 mmol) and sodium iodide (0.11 g, 0.70 mmol) in N-methylpiperazine (4 mL) was heated at 80 ºC for 12 h. The reaction mixture was concentrated in vacuo and partitioned between ethyl acetate and saturated aqueous sodium bicarbonate. The organic layer was washed with brine, dried over sodium sulfate, filtered, and concentrated in vacuo. The residue was purified by column chromatography, eluting with 30% methanol in dichloromethane. The fractions containing product were collected and concentrated in vacuo. Diethyl ether was added to the residue, and the light pink solid was collected by filtration (0.28 g, 75% yield, 98.7% HPLC purity): m.p. 116–120 ºC;

1H-NMR (DMSO-d6): 1.92–1.97 (m, 2H), 2.15 (s, 3H), 2.32–2.46 (m, 10H), 3.84 (s, 3H), 3.93 (s, 3H), 4.19 (t, J = 6.3 Hz, 2H), 7.31 (br s, 2H), 7.43 (s, 1H), 7.64 (s, 1H), 8.52 (s, 1H), 9.51 (s, 1H);

13C-NMR (CDCl3): 25.96, 45.68, 52.67, 52.67, 54.24, 54.72, 54.72, 56.01, 60.71, 66.87, 89.10, 101.66, 101.66, 109.12, 113.95, 117.17, 122.99, 122.99, 128.27, 137.88, 146.15, 148.13, 148.51, 149.50, 150.43, 153.03;
MS (ES) m/z 530.2, 532.2 (M+1).
…………………..

Structural and spectroscopic analysis of the kinase inhibitor …

files.figshare.com/337292/Figure_S2.doc

by NM Levinson – ‎Cited by 39 – ‎Related articles

NMR spectroscopy on bosutinib and the bosutinib isomer. As described in the main text, the 1H NMR spectra of the compounds we purchased from LC Labs and  …

 

Figure S2. NMR experiments on bosutinib and the bosutinib isomer. A) The structure of bosutinib and a putative structure for the bosutinib isomer are shown. The blue numbers on the bosutinib structure represent the five aromatic proton-carbon pairs. The numbers on the aniline ring of the bosutinib isomer are 13C chemical shifts. B) NMR spectra. In the top left panel, 1H-13C HSQC spectra of bosutinib and the bosutinib isomer are shown. The thick black lines connect the peaks that arise from the equivalent proton-carbon pairs in the two compounds. The thin gray lines are intended to guide the eye to the corresponding peaks in the 1-dimensional spectra. The peaks for the five aromatic proton-carbon pairs in authentic bosutinib are indicated with large blue numbers. These putative assignments are based on 13C chemical shift predictions. The bottom panel shows the 1H NMR spectra of both compounds. The peak located at 7.34 ppm in the bosutinib isomer sample, which integrates to 2, is indicated. The colored numbers directly next to the peaks are the peak integrations. The panel on the upper right shows the aromatic region of the 13C NMR spectrum of the bosutinib isomer. The peak located at 123 ppm, which displays an integrated intensity of 2, is indicated.

 

 

//////////////Clc1c(OC)cc(c(c1)Cl)Nc4c(C#N)cnc3cc(OCCCN2CCN(CC2)C)c(OC)cc34

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