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Synthesis of cAAC stabilized biradical of “Me₂Si” and “Me₂SiCl” monoradical from Me₂SiCl₂ – an important feedstock material

Author:
Sinhababu, Soumen, Kundu, Subrata, Siddiqui, Mujahuddin M., Paesch, Alexander N., Herbst-Irmer, Regine, Schwederski, Brigitte, Saha, Pinaki, Zhao, Lili, Frenking, Gernot, Kaim, Wolfgang, Stalke, Dietmar, Roesky, Herbert W.
Source:
Chemical communications 2019 v.55 no.31 pp. 4534-4537
ISSN:
1364-548X
Subject:
carbenes, chemical reactions, feedstocks
Abstract:
The cyclic alkyl(amino) carbene (cAAC) coordinated biradical of dimethylsilicon was isolated as (cAAC)₂Me₂Si (1), (cAAC = C(CH₂)(CMe₂)₂N-2,6-i-Pr₂C₆H₃), synthesized from the reduction of Me₂SiCl₂ using two equivalents of KC₈ in the presence of two equivalents of cAAC. The reduction of Me₂SiCl₂ by one equivalent of KC₈ in the presence of one equivalent of cAAC resulted in the stable dimethylsiliconchloride monoradical (cAAC)Me₂SiCl (2).
Agid:
6369827