SYNTHESIS OF AN AZADISILACYCLOPROPANE AND 2 CYCLODISILAZANES FROM 1,1,2,2-TETRACHLORO-1,2-DIMESITYLDISILANE

被引：8
|
作者：
SHIBLEY, JL
WEST, R
TESSIER, CA
HAYASHI, RK
机构：
[1] UNIV WISCONSIN,DEPT CHEM,MADISON,WI 53706
[2] UNIV AKRON,DEPT CHEM,AKRON,OH 44325
来源：
ORGANOMETALLICS | 1993年 / 12卷 / 09期
关键词：
D O I：
10.1021/om00033a019
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
1,1,2,2-Tetrachloro-1,2-dimesityldisilane (1) was synthesized from 2.1 equiv of MesLi.Et2O and Si2Cl6. Reaction of 1 with two MesNHLi at -78-degrees-C in THF afforded trans-2-chloro-1,2,3,4-tetramesitylcyclodisilazane (4a), 21%, cis-2-chloro- 1,2,3,4-tetramesitylcyclodisilazane (4b), 4 %, and trans-2,3-bis(mesitylamino)-1,2,3-trimesitylazadisilacyclopropane (5), 26%. When 1 equiv of MesNHLi was used, 1, 4a, and 4b were the major species present. Use of 4 equiv of MesNHLi led mainly to the formation of 5 (80%). The molecular structure of 5.2C6H6 was determined by X-ray crystallographic analysis. Compound 5-2C6H6 crystallized in the monoclinic space group C2/c with cell parameters a = 21.887(6) angstrom, b = 12.364(3) angstrom, c = 18.878(5) angstrom, beta = 101.44(2)-degrees, V = 5007(2) angstrom3, Z = 4, d(calcd) = 1.131 g/cm3, and R = 4.98%.
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页码：3480 / 3484
页数：5
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