On the Reactivity of the Silylene PhC(NtBu)2SiNPh2 toward Organic Substrates

被引：15
作者：
Azhakar, Ramachandran [1 ]
Roesky, Herbert W. [1 ]
Wolf, Hilke [1 ]
Stalke, Dietmar [1 ]
机构：
[1] Univ Gottingen, Inst Anorgan Chem, D-37077 Gottingen, Germany
来源：
ZEITSCHRIFT FUR ANORGANISCHE UND ALLGEMEINE CHEMIE | 2013年 / 639卷 / 06期
基金：
新加坡国家研究基金会;
关键词：
Silylenes; Heteroleptic silylenes; Silathione; Silacyclopropene; Cycloaddition; N-HETEROCYCLIC CARBENE; METAL-CARBONYL-COMPLEXES; C-H ACTIVATION; STABLE SILYLENE; HETEROLEPTIC SILYLENES; PHC(NTBU)(2)SIX X; FACILE ACCESS; LIGANDS; CYCLOADDITION; CRYSTAL;
D O I：
10.1002/zaac.201300138
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
The reactivity studies of stable silylenes with organo isothiocyanates are so far not reported. In this manuscript we describe for the first time the reaction of the stable silylene LSiNPh2 (1) [L = PhC(NtBu)2] with PhNCS to yield the silathione LSi(S)NPh2 (2), with elimination of PhNC. The reaction of PhCCPh with LSiNPh2 resulted in the [1+2]-cycloaddition product silacyclopropene 3. Treatment of 1 with 3, 5-di-tert-butyl-o-benzoquinone yielded the [1+4]-cycloaddition product 4. Compounds 2, 3, and 4 were characterized by elemental analysis, multinuclear NMR spectroscopy, and EI-MS spectrometry. The molecular structures of compounds 2, 3, and 4 were established unequivocally by single-crystal X-ray structural analysis.
引用
收藏
页码：934 / 938
页数：5
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