REACTIONS OF TETRAMESITYLDISILENE WITH AZIDES - SYNTHESIS OF DISILAAZIRIDINES

被引:24
作者
GILLETTE, GR [1 ]
WEST, R [1 ]
机构
[1] UNIV WISCONSIN,DEPT CHEM,MADISON,WI 53706
基金
美国国家科学基金会;
关键词
D O I
10.1016/0022-328X(90)87222-Y
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
The reactions of several organic azides (RN3) with tetramesityldisilene (1) were studied. Azides with R = Ph or Mes each gave two products, a disilaaziridine and a disilatriazoline. When R = PhCH2 or Me3SiCH2 intermediate adducts of the azide and the disilene were found. These adducts and the disilatriazolines both react thermally to yield the respective disilaaziridines. For R = Me3Si only a disilaaziridine was observed, the structure of which was determined by X-ray crystallography and was found to have a short SiSi internuclear distance of 2.23 Å. Crystal data: R = trimethylsilyl, a 23.561(3), b 19.001(3), c 16.916(3) Å, monoclinic, β = 106.095°, C2/c, Z = 8. Novel five-membered silicon heterocycles were isolated from the reactions of 1 with toluenesulfonyl azide and diphenylphosphonyl azide. © 1990.
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页码:45 / 55
页数:11
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