School of Chemistry, Chemical Engineering and Biotechnology, Nanyang Technological University, 637371 Singapore.
Department of Applied Chemistry, National Chiayi University, Chiayi 60004, Taiwan.
Inorg Chem. 2023 Jan 16;62(2):863-870. doi: 10.1021/acs.inorgchem.2c03660. Epub 2023 Jan 4.
This work describes a straightforward method to synthesize a borylborylene without proceeding via the rearrangement of a diborene. An amidinato amidosilylene [LSiNMe] (L = PhC(NBu)) and PMe were reacted with an -phosphinoamidinato diborane and KC to form a stable silylene-borylborylene and a persistent phosphine-borylborylene , respectively. Compound is stable as the borylene center is well stabilized by the silylene donor and boryl substituent, whereas compound is unstable in solution due to labile PMe. The latter was illustrated by reacting compound with Ar'NC (Ar' = 2,6-MeCH), where Ar'NC displaced PMe and inserted into the -phosphinoamidinate ligand and B-B bond to form compound .
这项工作描述了一种无需通过二硼烯重排即可合成硼硼二烯的简单方法。酰胺基亚氨基硅烷[LSiNMe]（L = PhC（NBu））和 PMe 与 -膦基亚氨基二硼烷 和 KC 反应，分别形成稳定的硅烷-硼硼二烯 和稳定的磷-硼硼二烯 。化合物 是稳定的，因为硼烯中心被硅烷给体和硼基取代基很好地稳定，而化合物 由于 PMe 的不稳定性在溶液中不稳定。后者通过使化合物 与 Ar'NC（Ar'= 2,6-MeCH）反应来说明，其中 Ar'NC 取代 PMe 并插入 -膦基亚氨基配体和 B-B 键中形成化合物 。
