期刊
CHEMICAL COMMUNICATIONS
卷 46, 期 17, 页码 2893-2903出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c002806a
关键词
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资金
- Ministry of Education, Culture, Sports, Science and Technology of Japan
Synthesis and structural characteristics of an isolable dialkylsilylene and its application for the synthesis of unique silicon unsaturated compounds such as silanechalcogenones, silaketenimines, a tetrasila-1,3-diene and a trisilaallene are discussed. Because the silylene has no aromatic or alkenyl substituents, the derivatives are mostly free from the influence of the p-conjugative substituents, and hence, are suitable for exploring the intrinsic or standard characteristics of the unsaturated bonds. Using perturbation molecular orbital (PMO) theory, the importance of pi-sigma* mixing is emphasized to figure out the key issues of heavy unsaturated bonds.
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