Synthesis of new heterocycles through a cation-driven tandem ring-enlargement-annulation reaction

被引：20
|
作者：
Bernard, AM [1 ]
Cadoni, E [1 ]
Frongia, A [1 ]
Piras, PP [1 ]
Secci, F [1 ]
机构：
[1] Univ Cagliari, Dipartimento Sci Chim, I-09042 Cagliari, Italy
来源：
ORGANIC LETTERS | 2002年 / 4卷 / 15期
关键词：
D O I：
10.1021/ol026199x
中图分类号：
O62 [有机化学];
学科分类号：
070303 ; 081704 ;
摘要：
[GRAPHICS] The thionium ion, generated through a cyclopropylcarbinyl-cyclobutyl ring expansion, is, for the first time, intramolecularly intercepted by activated aromatic rings to generate new versatile 2a-methyl-8b-(phenylsulfanyl-1,2a,3,8b-tetrahydro-2H-cyclobuta[c]chromenes.
引用
收藏
页码：2565 / 2567
页数：3
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