[EN] PROCESS FOR PREPARING 7&bgr;-SUBSTITUTED 6α,14α -ETHENOMORPHINANS AND 7&bgr;-SUBSTITUTED 6α,14α-ETHANOMORPHINANS<br/>[FR] PROCÉDÉ POUR LA PRÉPARATION D'ÉTHÉNO-6&Agr;,14&Agr;-MORPHINANES À SUBSTITUTION 7&Bgr; ET D'ÉTHANO-6&Agr;,14&Agr;-MORPHINANES À SUBSTITUTION 7&Bgr;
申请人:RHODES TECHNOLOGIES
公开号:WO2014102591A1
公开(公告)日:2014-07-03
The application is directed to a process for increasing the proportion of 7β-epimer in an 7α/7β-epimer mixture of a 7-substituted 6α,14α-ethenomorphinan or a 7-substituted 6α,14α-ethanomorphinan, and specifically of compounds of Formula (I), wherein G, R2-R4, and are defined as set forth in the specification. The application is also directed to a process for purifying the 7β-epimer from an 7α/7β-epimer mixture of a 7-substituted 6α,14α-ethenomorphinan or a 7-substituted 6α, 14α-ethanomorphinan. The application is also directed to a process for preparing 7β-substituted compounds of Formula Vb wherein G and R2 -R5 are defined as set forth in the specification.
该申请涉及一种用于增加7-取代6α,14α-乙烯基吗啡或7-取代6α,14α-乙烷基吗啡的7α/7β-异构体混合物中7β-异构体比例的方法,具体地,涉及到公式(I)中G、R2-R4的化合物的方法,其中G、R2-R4的定义如规范中所述。该申请还涉及从7-取代6α,14α-乙烯基吗啡或7-取代6α,14α-乙烷基吗啡的7α/7β-异构体混合物中纯化7β-异构体的方法。该申请还涉及制备公式Vb中G和R2-R5定义如规范中所述的7β-取代化合物的方法。