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1. (WO2004089924) PROCESS FOR THE PREPARATION OF 5-BROMOPHTHALIDE
Latest bibliographic data on file with the International Bureau   

Pub. No.:    WO/2004/089924    International Application No.:    PCT/IB2003/001450
Publication Date: 21.10.2004 International Filing Date: 11.04.2003
IPC:
C07D 307/87 (2006.01), C07D 307/88 (2006.01)
Applicants: BROMINE COMPOUNDS LTD. [IL/IL]; P.O.Box 180, 84101 Beer Sheva (IL) (For All Designated States Except US).
OREN, Jacob [IL/IL]; (IL) (For US Only)
Inventors: OREN, Jacob; (IL)
Agent: PYERNIK, Moshe; P.O.Box 10012, 84106 Beer Sheva (IL)
Priority Data:
Title (EN) PROCESS FOR THE PREPARATION OF 5-BROMOPHTHALIDE
(FR) PROCEDE POUR LA PREPARATION DE 5-BROMOPHTALIDE
Abstract: front page image
(EN)A process, which comprises reducing 4-bromophthalic anhydride in an organic solvent, to obtain a mixture of 5-bromophthalide and 6-bromophthalide, acidifying the reaction mixture, separating the same into aqueous and organic phases, and selectively crystallizing 5-bromophthalide from the organic phase.
(FR)L’invention concerne un procédé consistant à réduire de l’anhydride 4-bromophtalique en un solvant organique en vue d’obtenir un mélange de 5-bromophtalide et de 6-bromophtalide, à acidifier le mélange réactionnel, à séparer celui-ci en des phases aqueuse et organique et à effectuer une cristallisation sélective du 5-bromophtalide contenu dans la phase organique.
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, PH, PL, PT, RO, RU, SC, SD, SE, SG, SK, SL, 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)