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TAK-733……. clinical studies for cancer treatment.

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TAK-733

CAS: 1035555-63-5

Synonym: TAK-733; TAK 733; TAK733.

IUPAC/Chemical name: 

(R)-3-(2,3-Dihydroxypropyl)-6-fluoro-5-(2-fluoro-4-iodophenylamino)-8-methylpyrido[2,3-d]pyrimidine-4,7(3H,8H)-dione

Chemical Formula: C17H15F2IN4O4

Exact Mass: 504.01060

Molecular Weight: 504.23

Elemental Analysis: C, 40.49; H, 3.00; F, 7.54; I, 25.17; N, 11.11; O, 12.69

Phase I clinical studies for cancer treatment.Takeda Pharmaceutical

Solid Tumors Therapy

Description of TAK-733: TAK-733 is an orally bioavailable small-molecule inhibitor of MEK1 and MEK2 (MEK1/2) with potential antineoplastic activity. MEK inhibitor TAK-733 selectively binds to and inhibits the activity of MEK1/2, preventing the activation of MEK1/2-dependent effector proteins and transcription factors, which may result in the inhibition of growth factor-mediated cell signaling and tumor cell proliferation. MEK1/2 (MAP2K1/K2) are dual-specificity threonine/tyrosine kinases that play key roles in the activation of the RAS/RAF/MEK/ERK pathway and are often upregulated in a variety of tumor cell types.

Current developer: Millennium Pharmaceuticals, Inc./Takeda Pharmaceutical Company Limited.

TAK-733 is being developed at Millennium Pharmaceuticals for the treatment of adult patients with advanced non-hematological malignancies. Phase I clinical trials are ongoing for the treatment of advanced metastatic melanoma. In preclinical studies, the compound has been shown to bind to and potently inhibit MEK.

………………………………….

Discovery of TAK-733, a potent and selective MEK allosteric site inhibitor for the treatment of cancer

  • Takeda San Diego;10410 Science Center Drive, San Diego, CA 92121, United States

http://www.sciencedirect.com/science/article/pii/S0960894X11000941

Full-size image (17 K)

Scheme 3.

Synthesis of compounds 26 and 27 (Route 4). Reagents and conditions: (a) 1-chloro-2,4-dinitrobenzene, K2CO3, DMF; (b) (R)-O-((2,2-dimethyl-1,3-dioxolan-4-yl)methyl)hydroxylamine or 2,2-dimethyl-1,3-dioxan-5-amine, K2CO3 or Cs2CO3, DMF; (c) HCl, THF; (d) Selectfluor, CH3CN,DMF.

TAK-733 exhibited potent enzymatic and cell activity with an IC50 of 3.2 nM against constitutively active MEK enzyme and an EC50 of 1.9 nM against ERK phosphorylation in cells. TAK-733 did not inhibit any other kinases, receptors or ion channels that were tested with inhibitor concentrations up to 10 μM. TAK-733 was found to bind plasma protein moderately (ca. 97% for human and 96% for mouse), and exhibit high permeability and high microsomal stability across species. It did not inhibit P450s up to 30 μM.

The co-crystal structure of TAK-733 in the MEK1 allosteric site has been solved (Fig. 3). As predicted, the pyridone oxygen makes a hydrogen bond with the backbone NH of Ser212. The 2-fluoro-4-iodoaniline moeity sits in the deep lipophilic pocket. The pyrimidinone oxygen makes a hydrogen bond with Lys97, and the propanediol terminal hydroxyl interacts with both Lys97 and the ADP phosphate.

Full-size image (47 K)
Figure 3.

The X-ray co-crystal structure of TAK-733 in the MEK1 allosteric site.

(R)-3-(2,3-Dihydroxypropyl)-6-fluoro-5-(2-fluoro-4-iodophenylamino)-8-methylpyrido[2,3-d]pyrimidine-4,7(3H,8H)-dione

Molecular Weight: 504.23
TAK-733 Formula: C17H15F2IN4O4
CAS Number: 1035555-63-5

Biological Activity of TAK-733:

TAK-733 is an orally bioavailable small-molecule inhibitor of MEK1 and MEK2 (MEK1/2) with potential antineoplastic activity. MEK inhibitor TAK-733 selectively binds to and inhibits the activity of MEK1/2, preventing the activation of MEK1/2-dependent effector proteins and transcription factors, which may result in the inhibition of growth factor-mediated cell signaling and tumor cell proliferation. MEK1/2 (MAP2K1/K2) are dual-specificity threonine/tyrosine kinases that play key roles in the activation of the RAS/RAF/MEK/ERK pathway and are often upregulated in a variety of tumor cell types.

References:

BRAF L597 mutations in melanoma are associated with sensitivity to MEK inhibitors.
Dahlman et al. Cancer Discov. 2012 Jul 13. PMID: 22798288.Discovery of TAK-733, a potent and selective MEK allosteric site inhibitor for the treatment of cancer.
Dong et al. Bioorg Med Chem Lett. 2011 Mar 1;21(5):1315-9. PMID: 21310613.

 

Zhao Y * et al. Takeda California, San Diego, Millenium Pharmaceuticals Inc., Cambridge and IRIX Pharmaceuticals, Greenville, USA
Process Research and Kilogram Synthesis of an Investigational, Potent MEK Inhibitor.Org. Process Res. Dev. 2012;
16: 1652-1659

MEK kinases regulate the pathway that mediates proliferative and anti-apoptotic signaling factors that promote tumor growth and metastasis. TAK-733 is an MEK kinase inhibitor that entered phase I clinical trials for the treatment of cancer. A noteworthy feature of this short synthesis (25% yield overall) is the one-pot, three-step synthesis of the fluoropyridone D, in which the fluorine atom is present at the outset.
The reaction of F with the nosylate G gave a mixture of N- and O-alkylation products (8:1) from which the desired N-alkylation product was isolated by crystallization. The mixture of N-methyl pyrrolidine (NMP) and methanol used in the final deprotection step, helped to ensure formation of the desired polymorph. The nine-step discovery synthesis (3% overall yield) is also presented.

Information about this agent

TAK-733 is  currently in Phase I clinical trials and is being developed by Millennium Pharmaceuticals, Inc. (a part of Takeda Pharmaceutical Company Limited).

   

References

1: Acquaviva J, Smith DL, Jimenez JP, Zhang C, Sequeira M, He S, Sang J, Bates RC, Proia DA. Overcoming acquired BRAF inhibitor resistance in melanoma via targeted inhibition of Hsp90 with ganetespib. Mol Cancer Ther. 2014 Feb;13(2):353-63. doi: 10.1158/1535-7163.MCT-13-0481. Epub 2014 Jan 7. PubMed PMID: 24398428.

2: Zhang Y, Xue D, Wang X, Lu M, Gao B, Qiao X. Screening of kinase inhibitors targeting BRAF for regulating autophagy based on kinase pathways. Mol Med Rep. 2014 Jan;9(1):83-90. doi: 10.3892/mmr.2013.1781. Epub 2013 Nov 7. PubMed PMID: 24213221.

3: Nakamura A, Arita T, Tsuchiya S, Donelan J, Chouitar J, Carideo E, Galvin K, Okaniwa M, Ishikawa T, Yoshida S. Antitumor activity of the selective pan-RAF inhibitor TAK-632 in BRAF inhibitor-resistant melanoma. Cancer Res. 2013 Dec 1;73(23):7043-55. doi: 10.1158/0008-5472.CAN-13-1825. Epub 2013 Oct 11. PubMed PMID: 24121489.

4: Garraway LA, Baselga J. Whole-genome sequencing and cancer therapy: is too much ever enough? Cancer Discov. 2012 Sep;2(9):766-8. doi: 10.1158/2159-8290.CD-12-0359. PubMed PMID: 22969114.

5: Dahlman KB, Xia J, Hutchinson K, Ng C, Hucks D, Jia P, Atefi M, Su Z, Branch S, Lyle PL, Hicks DJ, Bozon V, Glaspy JA, Rosen N, Solit DB, Netterville JL, Vnencak-Jones CL, Sosman JA, Ribas A, Zhao Z, Pao W. BRAF(L597) mutations in melanoma are associated with sensitivity to MEK inhibitors. Cancer Discov. 2012 Sep;2(9):791-7. Epub 2012 Jul 13. PubMed PMID: 22798288; PubMed Central PMCID: PMC3449158.

6: von Euw E, Atefi M, Attar N, Chu C, Zachariah S, Burgess BL, Mok S, Ng C, Wong DJ, Chmielowski B, Lichter DI, Koya RC, McCannel TA, Izmailova E, Ribas A. Antitumor effects of the investigational selective MEK inhibitor TAK733 against cutaneous and uveal melanoma cell lines. Mol Cancer. 2012 Apr 19;11:22. PubMed PMID: 22515704; PubMed Central PMCID: PMC3444881.

7: Dong Q, Dougan DR, Gong X, Halkowycz P, Jin B, Kanouni T, O’Connell SM, Scorah N, Shi L, Wallace MB, Zhou F. Discovery of TAK-733, a potent and selective MEK allosteric site inhibitor for the treatment of cancer. Bioorg Med Chem Lett. 2011 Mar 1;21(5):1315-9. doi: 10.1016/j.bmcl.2011.01.071. Epub 2011 Jan 22. PubMed PMID: 21310613.

US8030317 Dec 18, 2007 Oct 4, 2011 Takeda Pharmaceutical Company Limited MAPK/ERK kinase inhibitors
US20080255160 Dec 18, 2007 Oct 16, 2008 Qing Dong Mapk/erk kinase inhibitors
WO2008000020A1 Jun 27, 2007 Jan 3, 2008 Gary L Corino Improved process

EP1894932A1 Jun 10, 2005 Mar 5, 2008 Japan Tobacco, Inc. 5-amino-2,4,7-trioxo-3,4,7,8-tetrahydro-2H-pyrido[2,3-d]pyrimidine derivatives and related compounds for the treatment of cancer
US20050222177 * Jul 29, 2004 Oct 6, 2005 Irm Llc Diseases with abnormal activation of the Abl, BCR-Abl, Bmx, CSK, TrkB, FGFR3, Fes, Lck, B-RAF, C-RAF, MKK6, alpha and beta SAPK2 kinases; antiproliferative; pyrrolo[2,3-d]pyrimidine-7-carboxylic acid [3-phenylcarbamoyl-phenyl]-amides and pyrrolo[3,2-c]pyridine analogs

 


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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 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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