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1. (WO2003008397) AN IMPROVED PROCESS FOR THE PREPARATION OF ANTIDIABETIC PHENOXAZINE COMPOUNDS
Latest bibliographic data on file with the International Bureau   

Pub. No.: WO/2003/008397 International Application No.: PCT/IB2002/002776
Publication Date: 30.01.2003 International Filing Date: 16.07.2002
Chapter 2 Demand Filed: 19.02.2003
IPC:
C07D 265/38 (2006.01)
C CHEMISTRY; METALLURGY
07
ORGANIC CHEMISTRY
D
HETEROCYCLIC COMPOUNDS
265
Heterocyclic compounds containing six-membered rings having one nitrogen atom and one oxygen atom as the only ring hetero atoms
28
1,4-Oxazines; Hydrogenated 1,4-oxazines
34
condensed with carbocyclic rings
38
[b, e]-condensed with two six-membered rings
Applicants: SIRIPRAGADA, Mahender, Rao[IN/IN]; IN (UsOnly)
CHEPYALA, Naveen, Kumar, Reddy[IN/IN]; IN (UsOnly)
CHALLA, Maheedhara,Reddy[IN/IN]; IN (UsOnly)
MAMILLAPALLI, Ramabhadra, Sarma[IN/IN]; IN (UsOnly)
GADDAM, Om, Reddy[IN/IN]; IN (UsOnly)
DR. REDDY'S LABORATORIES LTD.[IN/IN]; 7-1-27 Ameerpet 500016 Hyderabad, IN (AllExceptUS)
Inventors: SIRIPRAGADA, Mahender, Rao; IN
CHEPYALA, Naveen, Kumar, Reddy; IN
CHALLA, Maheedhara,Reddy; IN
MAMILLAPALLI, Ramabhadra, Sarma; IN
GADDAM, Om, Reddy; IN
Common
Representative:
DR. REDDY'S LABORATORIES LTD.; 7-1-27 Ameerpet 500016 Hyderabad, IN
Priority Data:
585/MAS/200118.07.2001IN
Title (EN) AN IMPROVED PROCESS FOR THE PREPARATION OF ANTIDIABETIC PHENOXAZINE COMPOUNDS
(FR) PROCEDE AMELIORE DE PREPARATION DE COMPOSES ANTIDIABETIQUES DE PHENOXAZINE
Abstract:
(EN) The present invention relates to an improved process for the preparation of antidiabetic compounds having the formula (1) where R1 represents alkyl group such as methyl, ethyl, propyl, isopropyl, butyl, tert-butyl group and the like.
(FR) L'invention concerne un procédé amélioré de préparation de composés antidiabétiques de formule (1), dans laquelle R1 représente un groupe alkyle, tel que les groupes méthyle, éthyle, propyle, isopropyle, butyle, tert-butyle et similaires.
front page image
Designated States: AE, AG, AL, AM, AT, AU, AZ, BA, BB, BG, BR, BY, BZ, CA, CH, CN, CO, CR, CU, CZ, DE, DK, DM, DZ, EC, EE, ES, FI, GB, GD, GE, GH, GM, HR, HU, ID, IL, IN, IS, JP, KE, KG, KP, KR, KZ, LC, LK, LR, LS, LT, LU, LV, MA, MD, MG, MK, MN, MW, MX, MZ, NO, NZ, OM, PH, PL, PT, RO, RU, SD, SE, SG, SI, SK, SL, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VN, YU, ZA, ZM, ZW
African Regional Intellectual Property Organization (ARIPO) (GH, GM, KE, LS, MW, MZ, SD, SL, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Office (AM, AZ, BY, KG, KZ, MD, RU, TJ, TM)
European Patent Office (EPO) (AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, IE, IT, LU, MC, NL, PT, SE, SK, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, ML, MR, NE, SN, TD, TG)
Publication Language: English (EN)
Filing Language: English (EN)