2,2-Dimethyl cyclopentanones by acid catalyzed ring expansion of isopropenylcyclobutanols.: A short synthesis of (±)-α-cuparenone and (±)-herbertene

被引:30
作者
Bernard, AM [1 ]
Frongia, A [1 ]
Secci, F [1 ]
Piras, PP [1 ]
机构
[1] Univ Cagliari, Dipartimento Sci Chim, I-09042 Cagliari, Italy
关键词
D O I
10.1039/b505707h
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
2,2-Dimethyl cyclopentanones are readily prepared by acid catalyzed ring expansion of isopropenylcyclobutanols; the method allows ready access to the family of sesquiterpenes cuparanes and herbertanes, as demonstrated by the synthesis of (+/-)-alpha-cuparenone and the direct precursor of (+/-)-herbertene.
引用
收藏
页码:3853 / 3855
页数:3
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