A 2-Benzothiazolylphenyl Group Accelerates the Intramolecular [2+2] Cycloaddition of Allene-Ynes

被引:10
|
作者
Hori, Hiroto [1 ]
Arai, Shigeru [1 ]
Nishida, Atsushi [1 ]
机构
[1] Chiba Univ, Grad Sch Pharmaceut Sci, Chuo Ku, Chiba 2638522, Japan
关键词
alkynes; allenes; benzothiazolylphenyls; cycloaddition; cyclobutenes; CYCLIZATIONS; CONSTRUCTION;
D O I
10.1002/ajoc.201300218
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
A [2+2] cycloaddition reaction of allene-ynes under thermal conditions with/without a metal complex is described. A key feature of this reaction is that a 2-benzothiazolylphenyl group bearing a CC triple bonds remarkably promotes the reaction to give the corresponding cyclobutenes with or without metal catalysts.
引用
收藏
页码:41 / 43
页数:3
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