Diverse Reactions of o-Carborane-Fused Silylenes with CE (E = C, P) Triple Bonds

被引：10
作者：
Liu, Rui [1 ,2 ]
Tang, Yanyan [1 ,2 ]
Wang, Chenfeng [1 ,2 ]
Zhang, Zheng-Feng [3 ]
Su, Ming-Der [3 ,4 ]
Li, Yan [1 ,2 ]
机构：
[1] Hangzhou Normal Univ, Coll Mat Chem & Chem Engn, Key Lab Organosilicon Chem & Mat Technol, Minist Educ, Hangzhou 311121, Peoples R China
[2] Hangzhou Normal Univ, Key Lab Silicone Mat Technol Zhejiang Prov, Hangzhou 311121, Peoples R China
[3] Natl Chiayi Univ, Dept Appl Chem, Chiayi 60004, Taiwan
[4] Kaohsiung Med Univ, Dept Med & Appl Chem, Kaohsiung 80708, Taiwan
来源：
INORGANIC CHEMISTRY | 2023年 / 62卷 / 03期
关键词：
BUILDING-BLOCKS; PHOSPHA-ALKYNES; REACTIVITY; CHEMISTRY; CATION; SILICON; RINGS;
D O I：
10.1021/acs.inorgchem.2c03140
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
The reactivities of o-carborane-fused silylenes toward molecules with CE (E = C, P) bonds are reported. The reactions of bis(silylene) [(LSi:)C]2B10H10 (1a, L = PhC(NtBu)2) with arylalkynes afforded bis(silylium) carborane adducts 2 and 3, showing a Si(mu-C2)Si structure with an open-cage nido-carborane backbone. In contrast, the reaction of 1a with a phosphaalkyne AdCP (Ad = 1-adamantyl) smoothly furnished compound 4, comprising fused CPSi rings with a C=Si double bond and Si-Si single bond, and the related formation mechanism was investigated by DFT calculations. Furthermore, when monosilylene [(LSi:)C]CHB10H10 (1b) was employed to react with AdCP, compound 5 was isolated. The structure of 5 features a 1,2,3-triphosphetene core. All products were characterized by NMR spectroscopy and/or X-ray crystallography.
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页码：1095 / 1101
页数：7
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