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LY 3104607

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imgChemSpider 2D Image | LY3104607 | C27H25N3O3
FDIWCHYTKOPHPS-QFIPXVFZSA-N.png
 LY3104607
(3S)-3-[4-[[2-(2,6-Dimethylphenyl)-[l,2,4]triazolo[l,5-a]pyridin-6-yl]methoxy]phenyl]hex-4-ynoic Acid
(3S)-3-[4-[[2-(2,6-dimethylphenyl)-[1,2,4]triazolo[1,5-a]pyridin-6-yl]methoxy]phenyl]hex-4-ynoic acid
CAS: 1795232-22-2
Chemical Formula: C27H25N3O3
Molecular Weight: 439.515
(3S)-3-(4-{[2-(2,6-Dimethylphenyl)[1,2,4]triazolo[1,5-a]pyridin-6-yl]methoxy}phenyl)-4-hexinsäure
Benzenepropanoic acid, 4-[[2-(2,6-dimethylphenyl)[1,2,4]triazolo[1,5-a]pyridin-6-yl]methoxy]-β-1-propyn-1-yl-, (βS)-

[+]Enlarge

Structure of LY3104607.
Credit: Tien Nguyen/C&EN

Presented by: Chafiq Hamdouchi, founder at Hamdouchi Pharmaceutical Consulting

Target: G-protein-coupled receptor 40 (GPR40), a receptor that modulates insulin secretion in cells

Disease: Type 2 diabetes

Reporter’s notes: Developed by Eli Lilly, LY3104607 joins the handful of GPR40 agonists recently offered by the company. The compound is not exactly a first disclosure as its structure was revealed in a January publication that describes its discovery and pharmacokinetic properties (J. Med. Chem. 2018, DOI: 10.1021/acs.jmedchem.7b01411). Hamdouchi, who worked on the molecule while at Eli Lilly, presented what the team learned about GPR40 and suggested that allosteric binding, binding which happens at a location other than the active site, may be a viable mode of action for GPR40 agonists.

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Chafiq Hamdouchi

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STR OF TITLE LY 3104607

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Paper

Discovery of LY3104607: A Potent and Selective G Protein-Coupled Receptor 40 (GPR40) Agonist with Optimized Pharmacokinetic Properties to Support Once Daily Oral Treatment in Patients with Type 2 Diabetes Mellitus

 Lilly Research Laboratories, A Division of Eli Lilly and Company, Lilly Corporate Center, DC: 0540, Indianapolis, Indiana 46285, United States
 Jubilant Biosys Research Center, Bangalore, India
J. Med. Chem.201861 (3), pp 934–945
DOI: 10.1021/acs.jmedchem.7b01411
Publication Date (Web): December 13, 2017
Copyright © 2017 American Chemical Society
*E-mail: hamdouchi_chafiq@lilly.comchafiq.hamdouchi@gmail.com. Phone: 317-797-4751.

Abstract

Abstract Image

As a part of our program to identify potent GPR40 agonists capable of being dosed orally once daily in humans, we incorporated fused heterocycles into our recently disclosed spiropiperidine and tetrahydroquinoline acid derivatives 12, and 3 with the intention of lowering clearance and improving the maximum absorbable dose (Dabs). Hypothesis-driven structural modifications focused on moving away from the zwitterion-like structure. and mitigating the N-dealkylation and O-dealkylation issues led to triazolopyridine acid derivatives with unique pharmacology and superior pharmacokinetic properties. Compound 4 (LY3104607) demonstrated functional potency and glucose-dependent insulin secretion (GDIS) in primary islets from rats. Potent, efficacious, and durable dose-dependent reductions in glucose levels were seen during glucose tolerance test (GTT) studies. Low clearance, volume of distribution, and high oral bioavailability were observed in all species. The combination of enhanced pharmacology and pharmacokinetic properties supported further development of this compound as a potential glucose-lowering drug candidate.

(3S)-3-[4-[[2-(2,6-Dimethylphenyl)-[l,2,4]triazolo[l,5-a]pyridin-6-yl]methoxy]phenyl]hex-4-ynoic Acid (4)

Compound 4 (LY3104607)

title compound as white solid (35.76 kg, 91%). LCMS m/z [M + H]+: calcd, 439.5; found, 439.2.
1H NMR (399.80 MHz, DMSO, δ): 12.22 (s, 1H), 9.13 (dd, J = 0.8, 1.5 Hz, 1H), 7.88 (dd, J = 0.8, 9.2 Hz, 1H), 7.75 (dd, J = 1.7, 9.2 Hz, 1H), 7.29–7.24 (m, 3H), 7.14–7.12 (m, 2H), 7.01–6.99 (m, 2H), 5.18 (s, 2H), 3.96–3.91 (m, 1H), 2.58 (d, J = 7.7 Hz, 2H), 2.06 (s, 6H), 1.75 (d, J = 2.4 Hz, 3H).
PATENT
WO 2015088868
Applicants: ELI LILLY AND COMPANY [US/US]; Lilly Corporate Center Indianapolis, Indiana 46285 (US)
Inventors: HAMDOUCHI, Chafiq; (US)

A Novel Triazolo-Pyridine Compound

This invention relates to triazolo-pyridine compounds or pharmaceutically acceptable salts thereof, and for use of compounds in therapy. Triazolo-pyridine compounds of this invention are activators of GPR-40.

GPR-40, also known as Free Fatty Acid Receptor 1 (FFA1 or FFAR1), is reported as predominately expressed at high levels in rodent pancreatic beta cells, insulinoma cell lines, and human islets. The glucose modulation of insulin secretion is an important feature of activating GPR-40. Compounds that effectuate GPR-40 activation are associated with stimulation of insulin secretion in a patient with type II diabetes (T2D). Compounds that are GPR-40 activators are desired for use in treatment of GPR-40 mediated conditions.

WO2004/041266 discloses GPR-40 receptor function regulators comprising a compound having an aromatic ring and a group capable of releasing a cation.

The present invention rovides compounds of the Formula la below:

la

Example 1

(3S)-3-[4-[[2-(2,6-Dimethylphenyl)-[l,2,4]triazolo[l,5-a]pyridin-6- yl]methoxy]phenyl]hex-4-ynoic acid

To a solution of ethyl (3S)-3-[4-[[2-(2,6-dimethylphenyl)-[l,2,4]triazolo[l,5-a]pyridin-6-yl]methoxy]phenyl]hex-4-ynoate (0.22 g, 0.47 mmol) in EtOH (20 mL) is added 5 N NaOH (0.3 mL) and the reaction mixture is stirred at 80 °C in a microwave instrument for 30 minutes. The reaction mixture is evaporated to dryness, diluted with water, and acidified with 6 N HC1 solution to pH ~ 3. The precipitated solid is filtered, washed with n-pentane, and dried to give the title compound as a white solid (0.155 g, 75%). LCMS m/z 440 (M+H)+.

Alternate Preparation, Example 1

To a solution of ethyl (3S)-3-[4-[[2-(2,6-dimethylphenyl)-[l,2,4]triazolo[l,5-a]pyridin-6-yl]methoxy]phenyl]hex-4-ynoate (16 g, 34.22 mmol) in ethanol (160 mL) is added aqueous 5 N NaOH (2.73 g, 68.44 mmol in 16 mL water) drop wise at room temperature and the reaction mixture is stirred for 16 hours. The reaction mixture is evaporated to dryness, the residue is dissolved in water (300 mL), washed with diethyl ether (2 χ 200 mL), and the organic extract is discarded. The aqueous layer is cooled to 10 °C- 15 °C, acidified with saturated citric acid solution to pH~5, and extracted with DCM (2 x 300 mL). The combined organic extracts are washed with water (2 x 500 mL), brine solution (500 mL), dried over Na2S04, filtered, and evaporated to dryness to give the title compound as an off-white solid (14 g, 93%). LCMS m/z 440 (M+H)+.

The products from other batches, prepared as in Alternate Preparation of Example 1, are mixed with the product from Alternate Preparation Example 1 DCM (5 L) and warmed to 40 °C to get a clear solution. Then the solvent is evaporated to give an off-white solid. The possibility of trapped DCM is a concern, thus EtOAc (7.5 L) is charged and the resulting mixture is warmed to 65 °C to get a clear solution (-30 minutes). The solvent is evaporated and the resulting solid is dried under vacuum at 50 °C to obtain the desired product as an off-white solid. LCMS m/z 440 (M+H)+.

Form II Seed Crystal, Example 1

A saturated ethanol solution of (3S)-3-[4-[[2-(2,6-Dimethylphenyl)-[l,2,4]triazolo[l,5-a]pyridin-6-yl]methoxy]phenyl]hex-4-ynoic acid is filtered through 0.22 μιη nylon syringe filter into a clean vessel. Slow solvent evaporation at 25°C results in Form II seed crystals of Example 1.

Crystalline Form II (3S)-3-[4-[[2-(2,6-Dimethylphenyl)-[l,2,4]triazolo[l,5-a]pyridin- 6-yl] methoxy] phenyl] hex-4-ynoic acid

(3S)-3-[4-[[2-(2,6-Dimethylphenyl)-[l,2,4]triazolo[l,5-a]pyridin-6-yl]methoxy]phenyl]hex-4-ynoic acid can be prepared as a crystalline anhydrous Form II by dissolving (3S)-3-[4-[[2-(2,6-Dimethylphenyl)-[l,2,4]triazolo[l,5-a]pyridin-6-yl]methoxy]phenyl]hex-4-ynoic acid (580 mg, 132 mmol) in EtOH (1.2 mL) while stirring the mixture at 80 °C for 10 minutes. The solution is filtered and cooled to 70 °C at which point seeds of Form II are introduced. The mixture is then slowly cooled to ambient temperature while stirring overnight. The resulting solid plug is loosened with the addition of heptane (600 μΐ.) and the solids are recovered by vacuum filtration and dried under vacuum at 60 °C to give the crystalline title product (438 mg, 75.5%).

Patent ID

Patent Title

Submitted Date

Granted Date

US9120793 Triazolo-pyridine compound
2014-12-04
2015-09-01
US2015166535 NOVELTRIAZOLO-PYRIDINE COMPOUND
2014-12-04
2015-06-18

/////////LY3104607, LY-3104607, LY 3104607, PRECLINICAL

CC#C[C@H](C1=CC=C(OCC2=CN3C(C=C2)=NC(C4=C(C)C=CC=C4C)=N3)C=C1)CC(O)=O


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DR ANTHONY CRASTO

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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 AFRICURE PHARMA as ADVISOR, earlier assignment was with GLENMARK LIFE SCIENCES LTD, as CONSUlTANT, Retired from GLENMARK in Jan2022 Research Centre as Principal Scientist, Process Research (bulk actives) at Mahape, Navi Mumbai, India. Total Industry exp 32 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, 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 32 PLUS year tenure till date Feb 2023, 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 100 million plus hits on Google, 2.5 lakh plus connections on all networking sites, 100 Lakh plus views on dozen plus blogs, 227 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 38 lakh plus views on New Drug Approvals Blog in 227 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 He has total of 32 International and Indian awards

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