(WO/2004/011455) PREPARATION OF LANSOPRAZOLE AND RELATED COMPOUNDS
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| Latest bibliographic data on file with the International Bureau
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| IPC: | C07D 401/12 (2006.01) | ||||||||||||||||||
| Applicants: | TEVA PHARMACEUTICAL INDUSTRIES LTD. [IL/IL]; 5 Basel Street, P.O. Box 3190, 49131 Petah Tiqva (IL) (AE, AG, AL, AM, AT, AU, AZ, BA, BE, BF, BG, BJ, BR, BY, BZ, CA, CF, CG, CH, CI, CM, CN, CO, CR, CU, CY, CZ, DE, DK, DM, DZ, EC, EE, ES, FI, FR, GA, GB, GD, GE, GH, GM, GN, GQ, GR, GW, HR, HU, ID, IE, IL, IN, IS, IT, JP, KE, KG, KP, KR, KZ, LC, LK, LR, LS, LT, LU, LV, MA, MC, MD, MG, MK, ML, MN, MR, MW, MX, MZ, NE, NI, NL, NO, NZ, OM, PG, PH, PL, PT, RO, RU, SC, SD, SE, SG, SI, SK, SL, SN, SY, SZ, TD, TG, TJ, TM, TN, TR, TT, TZ, UA, UG, UZ, VC, VN, YU, ZA, ZM, ZW only). TEVA PHARMACEUTICALS USA, INC. [US/US]; 1090 Horsham Road, P.O. Box 1090, North Wales, PA 19454-1010 (US) (BB only). FINKELSTEIN, Nina [IL/IL]; (IL) (US Only). | ||||||||||||||||||
| Inventor: | FINKELSTEIN, Nina; (IL). | ||||||||||||||||||
| Agent: | BRAINARD, Charles, R. et al.; Kenyon & Kenyon, One Broadway, New York, NY 10004-1050 (US). | ||||||||||||||||||
| Priority Data: |
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| Title: | PREPARATION OF LANSOPRAZOLE AND RELATED COMPOUNDS | ||||||||||||||||||
| Abstract: | The present invention provides a process for preparing lansoprazole (LNP) (I) and related compounds having a high yield and a low level of impurities by oxidation of corresponding sulfide (compound having formula (II)) with tert-butyl hydroperoxide (TBHP), catalyzed by a catalyst vanadium oxytrichloride in an organic solvent selected from the group consisting of a C1-C5 alkanol, decane, nonane, toluene and a mixture of the organic solvent and water, preferably in the presence of a base. | ||||||||||||||||||
| 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, NI, NO, NZ, OM, PG, PH, PL, PT, RO, RU, SC, SD, SE, SG, SK, SL, SY, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, YU, ZA, ZM, ZW. African Regional Intellectual Property Org. (ARIPO) (GH, GM, KE, LS, MW, MZ, SD, SL, SZ, TZ, UG, ZM, ZW) Eurasian Patent Organization (EAPO) (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, HU, IE, IT, LU, MC, NL, PT, RO, SE, SI, SK, TR) African Intellectual Property Organization (OAPI) (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, ML, MR, NE, SN, TD, TG). | ||||||||||||||||||
| Publication Language: | English (EN) |
| Filing Language: | English (EN) |
