[EN] PROCESS FOR THE DIRECT PREPARATION OF 5-ALKOXY AND 5-ACYLOXY ANALOGUES OF CAMPTHOTHECINS OR MAPPICENE KETONES<br/>[FR] PROCEDE DE PREPARATION DIRECTE D'ANALOGUES DE 5-ALCOXY ET DE 5-ACYLOXY DE CAMPTOTHECINES OU DE MAPPICINES CETONES
申请人:COUNCIL SCIENT IND RES
公开号:WO2004055020A1
公开(公告)日:2004-07-01
A convenient and efficient process for direct preparation of 5-alkoxy and 5-acyloxy analogues of camptothecins (anticancer compounds) and mappicine ketones (antiviral compounds) has been invented by treatment of the parent compounds with alcohols and acids respectively in the presence of ceric ammonium nitrate (CAN) at room temperature. The process is simple, economic and completed within a short period of time.
PROCESS FOR THE DIRECT PREPARATION OF 5-ALKOXY AND 5-ACYLOXY ANALOGUES OF CAMPTHOTHECINS OR MAPPICENE KETONES
申请人:COUNCIL OF SCIENTIFIC AND INDUSTRIAL RESEARCH
公开号:EP1572696A1
公开(公告)日:2005-09-14
US6872829B2
申请人:——
公开号:US6872829B2
公开(公告)日:2005-03-29
Process for the direct preparation of 5-alkoxy and 5-acyloxy analogues of campthothecins or mappicene ketones
申请人:Council of Scientific and Industrial Research
公开号:US20040127711A1
公开(公告)日:2004-07-01
A convenient and efficient process for direct preparation of 5-alkoxy and 5-acyloxy analogues of camptothecins (anticancer compounds) and mappicine ketones (antiviral compounds) has been invented by treatment of the parent compounds with alcohols and acids respectively in the presence of ceric ammonium nitrate (CAN) at room temperature. The process is simple, economic and completed within a short period of time.