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1. (WO2018042393) NOVEL PROCESS FOR THE PREPARATION OF BRIVARACETAM
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Pub. No.: WO/2018/042393 International Application No.: PCT/IB2017/055295
Publication Date: 08.03.2018 International Filing Date: 04.09.2017
IPC:
C07D 207/27 (2006.01)
C CHEMISTRY; METALLURGY
07
ORGANIC CHEMISTRY
D
HETEROCYCLIC COMPOUNDS
207
Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom
02
with only hydrogen or carbon atoms directly attached to the ring nitrogen atom
18
having one double bond between ring members or between a ring member and a non-ring member
22
with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
24
Oxygen or sulfur atoms
26
2-Pyrrolidones
263
with only hydrogen atoms or radicals containing only hydrogen and carbon atoms directly attached to other ring carbon atoms
27
with substituted hydrocarbon radicals directly attached to the ring nitrogen atom
Applicants: MICRO LABS LIMITED[IN/IN]; Plot No – 27, Race Course Road,Karnataka Bangalore 560 001, IN
Inventors: KUMAR, Pramod; IN
SANKARESWARAN, Srimurugan; IN
MANNAM, Madhavarao; IN
GADDAM, Venugopal Reddy; IN
CHILUUKURU, Srikanth; IN
CHAUBEY, Bipin Kumar; IN
Agent: SINGH, Manisha; IN
Priority Data:
20164103023905.09.2016IN
Title (EN) NOVEL PROCESS FOR THE PREPARATION OF BRIVARACETAM
(FR) NOUVEAU PROCÉDÉ DE PRÉPARATION DE BRIVARACÉTAM
Abstract:
(EN) The present invention relates to a cost effective, novel and efficient process for the preparation of Brivaracetam which offers industrially viable, highly pure Brivaracetam in high yields and avoiding chiral resolutions by chromatography and enzymatic resolutions.
(FR) La présente invention concerne un procédé rentable, innovant et efficace pour la préparation de Brivaracétam qui offre des rendements industriellement viables, hautement purs avec des rendements élevés et évite des résolutions chirales par chromatographie et résolutions enzymatiques.
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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)