[EN] METHOD OF PREPARATION OF PACLITAXEL (TAXOL) USING 3-(ALK-2-YNYLOXY) CARBONYL-5-OXAZOLIDINE CARBOXYLIC ACID<br/>[FR] PROCEDE DE PREPARATION DE PACLITAXEL (TAXOL) UTILISANT UN ACIDE 3-(ALK-2-YNYLOXY) CARBONYL-5-OXAZOLIDINE CARBOXYLIQUE
申请人:DABUR INDIA LTD
公开号:WO2002066448A1
公开(公告)日:2002-08-29
3-(alk-2-ynyloxy) carbonyl- 5-oxazolidine carboxylic acid and its analogs having formula (8) and wherein R1 is hydrogen, aryl, heteroaryl, alkyl, alkenyl, alkynyl, R2 and R3 are independently selected from hydrogen, alkyl, alkenyl, alkynyl, aryl, heteroaryl, R4 is hydrogen, alkyl, alkenyl, alkynyl, aryl, substituted aryl, heteroaryl, R5 and R6 independently selected from hydrogen, alkyl, alkenyl, alkynyl, aryl, heteroaryl, alkoxy, alkeyloxy, alkynyloxy, aryloxy, heteroaryloxy.
3-(烷基-2-炔氧基)羰基-5-噁唑烷羧酸及其类似物,其化学式为(8),其中R1为氢、芳基、杂环芳基、烷基、烯基、炔基,R2和R3独立地选自氢、烷基、烯基、炔基、芳基、杂环芳基,R4为氢、烷基、烯基、炔基、芳基、取代芳基、杂环芳基,R5和R6独立地选自氢、烷基、烯基、炔基、芳基、杂环芳基、烷氧基、烷氧基、炔氧基、芳氧基、杂环芳氧基。