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Machine translation
1. (WO2001002395) METHOD FOR PREPARING LYSERGIC ACID
Latest bibliographic data on file with the International Bureau   

Pub. No.:    WO/2001/002395    International Application No.:    PCT/FR2000/001820
Publication Date: 11.01.2001 International Filing Date: 29.06.2000
Chapter 2 Demand Filed:    11.01.2001    
IPC:
C07D 457/04 (2006.01)
Applicants: AVENTIS PHARMA S.A. [FR/FR]; 20 Avenue Raymond Aron, F-92160 Antony (FR)
Inventors: GAULLIER, Jean-Claude; (FR)
Agent: MORVAN, Michèle; Aventis Pharma S.A., Direction Brevets, 20 Avenue Raymond Aron, F-92165 Antony Cedex (FR)
Priority Data:
99/08538 02.07.1999 FR
Title (EN) METHOD FOR PREPARING LYSERGIC ACID
(FR) PROCEDE DE PREPARATION DE L'ACIDE LYSERGIQUE
Abstract: front page image
(EN)The invention concerns a novel method for preparing lysergic acid by isomerization of paspalic acid using a tetraalkylammonium hydroxide.
(FR)La présente invention concerne un nouveau procédé de préparation de l'acide lysergique par isomérisation de l'acide paspalique au moyen d'un hydroxyde de tétraalkylammonium.
Designated States: AE, AG, AL, AM, AT, AU, AZ, BA, BB, BG, BR, BY, BZ, CA, CH, CN, CR, CU, CZ, DE, DK, DM, DZ, 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, PL, PT, RO, RU, SD, SE, SG, SI, SK, SL, TJ, TM, TR, TT, TZ, UA, UG, UZ, VN, YU, ZA, ZW.
African Regional Intellectual Property Organization (GH, GM, KE, LS, MW, MZ, SD, SL, SZ, TZ, UG, ZW)
Eurasian Patent Organization (AM, AZ, BY, KG, KZ, MD, RU, TJ, TM)
European Patent Office (AT, BE, CH, CY, DE, DK, ES, FI, FR, GB, GR, IE, IT, LU, MC, NL, PT, SE)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GW, ML, MR, NE, SN, TD, TG).
Publication Language: French (FR)
Filing Language: French (FR)