Formation and reactions of a thioxoborane, a novel boron-sulfur double-bond compound

被引:17
作者
Tokitoh, N
Ito, M
Okazaki, R
机构
[1] Department of Chemistry, Graduate School of Science, University of Tokyo, Tokyo 113, 7-3-1 Hongo, Bunkyo-ku
关键词
D O I
10.1016/0040-4039(96)01039-8
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
Thermolysis of an overcrowded tin-containing four-membered boracycle, 1,3,2-dithiastannaboretane derivative 6, bearing an extremely bulky aryl group, 2,4,6-tris[bis(trimethylsilyl)methyl]phenyl (Tbt), on the boron atom in the presence of several 1,3-dienes in toluene at 120 degrees C gave the corresponding diene adducts of an initially formed thioxoborane (Tbt-B=S; 7) together with a trimer of diphenylstannanethione 8. Retro [4+2]cycloaddition of the diene adducts into the thioxoborane 7 is also described. Copyright (C) 1996 Elsevier Science Ltd
引用
收藏
页码:5145 / 5148
页数:4
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