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1. (WO2015162506) PROCESS FOR THE PREPARATION OF SITAGLIPTIN AND NOVEL INTERMEDIATES
Latest bibliographic data on file with the International Bureau

Pub. No.: WO/2015/162506 International Application No.: PCT/IB2015/052020
Publication Date: 29.10.2015 International Filing Date: 19.03.2015
IPC:
C07D 487/04 (2006.01) ,A61K 31/4985 (2006.01) ,A61P 3/10 (2006.01)
C CHEMISTRY; METALLURGY
07
ORGANIC CHEMISTRY
D
HETEROCYCLIC COMPOUNDS
487
Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, not provided for by groups C07D451/-C07D477/183
02
in which the condensed system contains two hetero rings
04
Ortho-condensed systems
A HUMAN NECESSITIES
61
MEDICAL OR VETERINARY SCIENCE; HYGIENE
K
PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
31
Medicinal preparations containing organic active ingredients
33
Heterocyclic compounds
395
having nitrogen as a ring hetero atom, e.g. guanethidine, rifamycins
495
having six-membered rings with two nitrogen atoms as the only ring hetero atoms, e.g. piperazine
4985
Pyrazines or piperazines ortho- or peri-condensed with heterocyclic ring systems
A HUMAN NECESSITIES
61
MEDICAL OR VETERINARY SCIENCE; HYGIENE
P
SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
3
Drugs for disorders of the metabolism
08
for glucose homeostasis
10
for hyperglycaemia, e.g. antidiabetics
Applicants:
SUVEN LIFE SCIENCES LIMITED [IN/IN]; 5th floor, Serene Chamber, Road No.5 Off Avenue No. 7, Banjara Hills Telangana 500 034 Hyderabad, IN
ARAVA, Veera Reddy [IN/IN]; IN
SIRIPALLI, Udaya Bhaskara Rao [IN/IN]; IN
GORENTLA, Lakshmi Narasimhulu [IN/IN]; IN
JASTI, Venkateswarlu [IN/IN]; IN
Inventors:
ARAVA, Veera Reddy; IN
SIRIPALLI, Udaya Bhaskara Rao; IN
GORENTLA, Lakshmi Narasimhulu; IN
JASTI, Venkateswarlu; IN
Agent:
SURAPUREDDY, Padmaja; IN
Priority Data:
4736/CHE/201321.04.2014IN
Title (EN) PROCESS FOR THE PREPARATION OF SITAGLIPTIN AND NOVEL INTERMEDIATES
(FR) PROCÉDÉ DE PRÉPARATION DE SITAGLIPTINE ET NOUVEAUX INTERMÉDIAIRES
Abstract:
(EN) The present invention provides an improved process for the preparation of β-amino acid derivatives. More particularly, the present invention relates to an improved process for the preparation of Sitagliptin or its pharmaceutically acceptable salts of formula 1. The present invention also provides novel intermediates used in the preparation of Sitagliptin.
(FR) La présente invention concerne un procédé amélioré de préparation de dérivés d'acides β-aminés. La présente invention concerne plus particulièrement un procédé amélioré de préparation de Sitagliptine ou de ses sels pharmaceutiquement acceptables de formule 1. La présente invention concerne en outre de nouveaux intermédiaires utilisés dans la préparation de Sitagliptine.
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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, 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, KN, KP, KR, 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 Organization (AM, AZ, BY, KG, KZ, RU, TJ, TM)
European Patent Office (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)