首页   按字顺浏览 期刊浏览 卷期浏览 Preparation of 6‐demethoxythebaine from neopine and its Diels‐Alder reaction with ethyl...
Preparation of 6‐demethoxythebaine from neopine and its Diels‐Alder reaction with ethyl acrylate (Chemistry of opium alkaloids, Part XV)

 

作者: P. R. Crabbendam,   L. Maat,   H. C. Beyerman,  

 

期刊: Recueil des Travaux Chimiques des Pays‐Bas  （WILEY Available online 1981）
卷期: Volume 100, issue 7‐8  

页码: 293-294

 

ISSN:0165-0513

 

年代: 1981

 

DOI:10.1002/recl.19811000711

 

出版商: WILEY‐VCH Verlag

 

数据来源: WILEY

 

摘要:

Abstract6α‐O‐Methanesulfonylneopine (3b) was converted into 6‐demethoxythebaine (4b) with the aid of potassium tert‐butoxide. Diels‐Alder reaction of 6‐demethoxythebaine with ethyl acrylate yielded mainly 4,5‐epoxy‐6,14‐endo‐etheno‐7α‐ethoxycarbonyl‐3‐methoxy‐17‐methylmorphinan (5b), an intermediate for the

 

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