SOLUTION AND SOLID-STATE OXIDATION CHEMISTRY OF TETRAKIS(2,4,6-TRIISOPROPYLPHENYL)DISILENE

被引:45
作者
MILLEVOLTE, AJ [1 ]
POWELL, DR [1 ]
JOHNSON, SG [1 ]
WEST, R [1 ]
机构
[1] UNIV WISCONSIN,DEPT CHEM,MADISON,WI 53706
关键词
D O I
10.1021/om00039a014
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
The air oxidation of tetrakis(2,4,6-triisopropylphenyl)disilene (1) has been investigated. In benzene solution the first oxidation product is the 1,2-disiladioxetane 2, which rearranges to give the 1,3-cyclodisiloxane 3 in addition to a compound with the 1-oxa-2-silacyclopent-3-ene structure (4). The same products are obtained when solid 1 is oxidized. Conditions for the rearrangement of 2 which provide either 3 or 4 pure are also described. Oxidation of 1 with 1 equiv of m-chloroperbenzoic acid produces the disilaoxirane 5 and, with excess oxidant, 3. The X-ray crystal structures of 3 and 5 are reported.
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页码:1091 / 1095
页数:5
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