DIELS-ALDER REACTIONS OF CYCLOALKENONES .22. HIGH PRESSURE-LEWIS ACID-CATALYZED DIELS-ALDER REACTIONS OF 3-METHYLCYCLOHEX-2-EN-1-ONE - A STRAIGHTFORWARD ROUTE TO CIS AND TRANS ANGULARLY METHYLATED OCTALONES

被引:22
作者
ABEN, RWM
MINUTI, L
SCHERREN, HW
TATICCHI, A
机构
[1] UNIV PERUGIA,DIPARTMENTO CHIM,VIA ELCE SOTTO 8,I-06100 PERUGIA,ITALY
[2] CATHOLIC UNIV NIJMEGEN,DEPT ORGAN CHEM,6525 ED NIJMEGEN,NETHERLANDS
关键词
D O I
10.1016/0040-4039(91)80191-8
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
By the application of high pressure in combination with EtAlCl2 as the Lewis acid, it is possible to achieve Diels-Alder reactions of 3-methylcyclohex-2-en-1-one with simple acyclic dienes. This cycloaddition offers the most straightforward route to cis and trans angularly methylated octalones, precursors in the total synthesis of terpenes and steroids.
引用
收藏
页码:6445 / 6448
页数:4
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