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1. (WO2018100585) AN IMPROVED PROCESS FOR THE PREPARATION OF DASATINIB POLYMORPH
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Pub. No.: WO/2018/100585 International Application No.: PCT/IN2017/050100
Publication Date: 07.06.2018 International Filing Date: 20.03.2017
IPC:
C07D 417/12 (2006.01)
C CHEMISTRY; METALLURGY
07
ORGANIC CHEMISTRY
D
HETEROCYCLIC COMPOUNDS
417
Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for by group C07D415/196
02
containing two hetero rings
12
linked by a chain containing hetero atoms as chain links
Applicants:
NATCO PHARMA LIMITED [IN/IN]; NATCO HOUSE Road No. 2, Banjara Hills, Hyderabad 500034, IN
Inventors:
KONAKANCHI, Durga Prasad; IN
GONGALLA, Buchappa; IN
KOTRA, Uma Naresh Babu; IN
SAKKANI, Srinivasulu; IN
RAGIDI, Dharmender; IN
SIKHA, Kotayyababu; IN
NANNAPANENI, Venkaiah Chowdary; IN
Priority Data:
20164104109601.12.2016IN
Title (EN) AN IMPROVED PROCESS FOR THE PREPARATION OF DASATINIB POLYMORPH
(FR) PROCÉDÉ AMÉLIORÉ DE PRÉPARATION DE POLYMORPHE DE DASATINIB
Abstract:
(EN) The present invention is related to an improved process for the preparation of dasatinib anhydrous crystalline Neat form N-6 with high purity and high yield. The present invention also relates to purification of dasatinib crystalline Neat form N-6.
(FR) La présente invention concerne un procédé amélioré pour la préparation de forme pure N-6 cristalline anhydre de dasatinib avec une pureté élevée et un rendement élevé. La présente invention concerne également la purification de la forme pure N-6 cristalline de dasatinib.
Designated States: AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR, IS, JP, KE, KG, KH, KN, KP, KR, KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW
African Regional Intellectual Property Organization (ARIPO) (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Office (AM, AZ, BY, KG, KZ, RU, TJ, TM)
European Patent Office (EPO) (AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG)
Publication Language: English (EN)
Filing Language: English (EN)