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1. (WO2000026174) PROCESS FOR PREPARING NATURAL PRODUCT DERIVATIVES FROM PLANTS IN A SINGLE STEP
Latest bibliographic data on file with the International Bureau   

Pub. No.:    WO/2000/026174    International Application No.:    PCT/CA1999/001021
Publication Date: 11.05.2000 International Filing Date: 02.11.1999
Chapter 2 Demand Filed:    24.05.2000    
IPC:
A61K 31/19 (2006.01), A61K 31/56 (2006.01), C07C 62/00 (2006.01), C07J 63/00 (2006.01)
Applicants: GAUDET, Daniel [CA/CA]; (CA).
PICHETTE, André [CA/CA]; (CA)
Inventors: GAUDET, Daniel; (CA).
PICHETTE, André; (CA)
Agent: ROBIC; 55 St-Jacques, Montréal, Québec H2Y 3X2 (CA)
Priority Data:
2,250,481 02.11.1998 CA
Title (EN) PROCESS FOR PREPARING NATURAL PRODUCT DERIVATIVES FROM PLANTS IN A SINGLE STEP
(FR) PROCEDE DE PREPARATION DE DERIVES DE PRODUIT NATUREL A PARTIR DE PLANTES EN UNE SEULE ETAPE
Abstract: front page image
(EN)A process is disclosed, for preparing a derivative of a targeted natural product from plants. The targeted natural product is extracted from the desired part of the plant and the targeted natural product is transformed into the desired derivative(s). Both the extraction and transformation are carried out in a single step consisting of macerating the desired part of the plant in a composition comprising an organic solvent and a reactive agent. This process is particularly useful for preparing derivatives of betulin or lupeol from bark of birch.
(FR)L'invention concerne un procédé de préparation d'un produit naturel ciblé à partir de plantes. Ce produit naturel ciblé est extrait de la partie requise de la plante et le produit naturel ciblé est transformé en dérivé(s) requis. L'extraction et la transformation sont effectuées en une seule étape consistant à faire macérer la partie requise de la plante dans une composition comprenant un solvant organique et un agent réactif. Ce procédé est particulièrement utile pour préparer des dérivés de bétuline ou de lupéol à partir d'écorces de bouleau.
Designated States: AL, AM, AT, AU, AZ, BA, BB, BG, BR, BY, CH, CN, CR, CU, CZ, DE, DK, DM, 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, NO, NZ, PL, PT, RO, RU, SD, SE, SG, SI, SK, SL, TJ, TM, TR, TT, TZ, UA, UG, UZ, VN, YU, ZW.
African Regional Intellectual Property Organization (GH, GM, KE, LS, MW, 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: English (EN)
Filing Language: English (EN)