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1. (WO2019064310) AN IMPROVED PROCESS FOR THE PREPARATION OF ELBASVIR AND ITS SALT THEREOF
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Pub. No.: WO/2019/064310 International Application No.: PCT/IN2018/050032
Publication Date: 04.04.2019 International Filing Date: 22.01.2018
IPC:
C07D 471/04 (2006.01)
C CHEMISTRY; METALLURGY
07
ORGANIC CHEMISTRY
D
HETEROCYCLIC COMPOUNDS
471
Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, at least one ring being a six-membered ring with one nitrogen atom, not provided for by groups C07D451/-C07D463/251
02
in which the condensed system contains two hetero rings
04
Ortho-condensed systems
Applicants:
NATCO PHARMA LIMITED [IN/IN]; Natco Pharma Limited, Natco House, Road No.2 Banjara Hills. Hyderabad 500034, IN
Inventors:
SASHIKANTH, Suthrapu; IN
NAVEENA, Tankasala; IN
VEMAN REDDY, Andru; IN
MARUTHINATH, Karicheti; IN
JANAKI RAMA RAO, Ravi; IN
DURGA PRASAD, Konakanchi; IN
PULLA REDDY, Muddasani; IN
VENKAIAH CHOWDARY, Nannapaneni; IN
Priority Data:
20174103404926.09.2017IN
Title (EN) AN IMPROVED PROCESS FOR THE PREPARATION OF ELBASVIR AND ITS SALT THEREOF
(FR) PROCÉDÉ AMÉLIORÉ POUR LA PRÉPARATION D'ELBASVIR ET SON SEL CORRESPONDANT
Abstract:
(EN) The present invention relates to an improved process for the preparation of Elbasvir compound of Formula-I through its novel salt.
(FR) La présente invention concerne un procédé amélioré pour la préparation d'un composé d'elbasvir de formule-I par le biais de son nouveau sel.
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, JO, 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)