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1. (WO2018163190) AN IMPROVED PROCESS FOR THE PREPARATION OF VARENICLINE AND SALT THEREOF
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Pub. No.: WO/2018/163190 International Application No.: PCT/IN2017/050602
Publication Date: 13.09.2018 International Filing Date: 19.12.2017
IPC:
C07D 471/08 (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
08
Bridged systems
Applicants:
JUBILANT GENERICS LIMITED (FORMERLY A DIVISION OF JUBILANT LIFESCIENCES LIMITED) [IN/IN]; Plot A, Sector 16A, Noida Uttar Pradesh 201301, IN
Inventors:
BANSAL, Vikas; IN
CHAKRAVARTY, Rohit; IN
SINGH, Anand Kumar; IN
BISWAS, Sujay; IN
VIR, Dharam; IN
Agent:
SINGH, Manisha; IN
Priority Data:
20171100804208.03.2017IN
Title (EN) AN IMPROVED PROCESS FOR THE PREPARATION OF VARENICLINE AND SALT THEREOF
(FR) PROCÉDÉ AMÉLIORÉ POUR LA PRÉPARATION DE VARÉNICLINE ET SON SEL
Abstract:
(EN) of the Invention The present invention relates to an improved process for the preparation of varenicline and salt thereof. The present invention also provides a process for the 2,7preparation of l-(4,5-dinitro-10-aza-tricyclo[6.3.1.0 ]dodeca-2(7),3,5-trien-10-yl)-2,2,2-trifluoroethanone of Formula 4 using ethyl trifluoroacetate and further converted to varenicline and salt thereof.
(FR) La présente invention concerne un procédé amélioré pour la préparation de varénicline et son sel. La présente invention concerne également un procédé de préparation de 1-(4,5-dinitro-10-aza-tricyclo[6.3.1.02,7] dodéca-2 (7),3,5-trién-10-yl)-2,2,2-trifluoroéthanone de formule 4 au moyen de trifluoroacétate d'éthyle qui est ensuite converti en varénicline et son sel.
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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)