氰基（三苯基硅基）膦化物作为P、C、N共轭分子的构建单元。
Cyano(triphenylsilyl)phosphanide as a Building Block for P,C,N Conjugated Molecules.
作者信息
Le Corre Grégoire, Gamboa-Carballo Juan José, Li Zhongshu, Grützmacher Hansjörg
机构信息
Department of Chemistry and Applied Biosciences, ETH Zürich, Vladimir-Prelog Weg 1, Hönggerberg, 8093 Zürich, Switzerland.
Higher Institute of Technologies and Applied Sciences (InSTEC), University of Havana, Ave. S Allende 1110, 10600, Havana, Cuba.
出版信息
Angew Chem Int Ed Engl. 2021 Nov 15;60(47):24817-24822. doi: 10.1002/anie.202108295. Epub 2021 Oct 20.
The cyano(triphenylsilyl)phosphanide anion was prepared as a sodium salt from 2-phosphaethynolate. The electronic structure of this new cyano(silyl)phosphanide was studied via computational methods and its reactivity investigated using various electrophiles and Lewis acids, demonstrating its P- and N-nucleophilicity. The ambident reactivity is in agreement with computations. The silyl group also shows lability and therefore the cyano(silyl)phosphanide can be considered as a phosphacyanamide synthon, [PCN] , and serves as building block for the transfer of a PCN moiety.
氰基（三苯基硅基）磷化物阴离子由2-磷乙炔醇盐制备成钠盐。通过计算方法研究了这种新型氰基（硅基）磷化物的电子结构，并使用各种亲电试剂和路易斯酸研究了其反应活性，证明了其P-和N-亲核性。这种两可亲核反应活性与计算结果一致。硅基也表现出不稳定性，因此氰基（硅基）磷化物可被视为磷氰酰胺合成子[PCN]，并作为转移PCN部分的结构单元。
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