Si difluoride (SiF2) is highly unstable at room temp. and condenses at this temp. rapidly to a polymeric material of unknown structure. Therefore, the isolation of a stable monomeric Si difluoride species is a challenging task. The cyclic alkyl(amino) carbene (cAAC) coordinated Si difluoride was isolated as (cAAC)2SiF2 (2), synthesized from the redn. of cAAC-SiF4 (1) by using two equiv. of KC8 in the presence of one equiv. of cAAC. In the solid state, compd. 2 is stable at room temp. for a long time under inert conditions. The redn. of compd. 1 in the presence of one equiv. KC8 resulted in the 1st stable Si trifluoride monoradical (cAAC)SiF3 (3). on SciFinder(R)
%0 Journal Article
%1 Sinhababu.2018b
%A Sinhababu, Soumen
%A Kundu, Subrata
%A Paesch, Alexander N.
%A Herbst-Irmer, Regine
%A Stalke, Dietmar
%A Fernandez, Israel
%A Frenking, Gernot
%A Stueckl, A. Claudia
%A Schwederski, Brigitte
%A Kaim, Wolfgang
%A Roesky, Herbert W.
%D 2018
%J Chemistry - A European Journal
%K EPR;mol alkylaminocarbene crystal cyclic difluoride prepn radical radical;cyclic silicon structure trifluoride
%N 6
%P 1264--1268
%R 10.1002/chem.201705773
%T A Route to Base Coordinate Silicon Difluoride and the Silicon Trifluoride Radical
%V 24
%X Si difluoride (SiF2) is highly unstable at room temp. and condenses at this temp. rapidly to a polymeric material of unknown structure. Therefore, the isolation of a stable monomeric Si difluoride species is a challenging task. The cyclic alkyl(amino) carbene (cAAC) coordinated Si difluoride was isolated as (cAAC)2SiF2 (2), synthesized from the redn. of cAAC-SiF4 (1) by using two equiv. of KC8 in the presence of one equiv. of cAAC. In the solid state, compd. 2 is stable at room temp. for a long time under inert conditions. The redn. of compd. 1 in the presence of one equiv. KC8 resulted in the 1st stable Si trifluoride monoradical (cAAC)SiF3 (3). on SciFinder(R)
@article{Sinhababu.2018b,
abstract = {Si difluoride (SiF2) is highly unstable at room temp. and condenses at this temp. rapidly to a polymeric material of unknown structure. Therefore, the isolation of a stable monomeric Si difluoride species is a challenging task. The cyclic alkyl(amino) carbene (cAAC) coordinated Si difluoride was isolated as (cAAC)2SiF2 (2), synthesized from the redn. of cAAC-SiF4 (1) by using two equiv. of KC8 in the presence of one equiv. of cAAC. In the solid state, compd. 2 is stable at room temp. for a long time under inert conditions. The redn. of compd. 1 in the presence of one equiv. KC8 resulted in the 1st stable Si trifluoride monoradical (cAAC)SiF3 (3). [on SciFinder(R)]},
added-at = {2019-07-15T13:41:23.000+0200},
author = {Sinhababu, Soumen and Kundu, Subrata and Paesch, Alexander N. and Herbst-Irmer, Regine and Stalke, Dietmar and Fernandez, Israel and Frenking, Gernot and Stueckl, A. Claudia and Schwederski, Brigitte and Kaim, Wolfgang and Roesky, Herbert W.},
biburl = {https://puma.ub.uni-stuttgart.de/bibtex/2e0389fbb5095a9f137fcb860831c56d5/b_schwederski},
doi = {10.1002/chem.201705773},
interhash = {fd86cf189a68c758f940adcbf0e4c194},
intrahash = {e0389fbb5095a9f137fcb860831c56d5},
issn = {0947-6539},
journal = {Chemistry - A European Journal},
keywords = {EPR;mol alkylaminocarbene crystal cyclic difluoride prepn radical radical;cyclic silicon structure trifluoride},
number = 6,
pages = {1264--1268},
timestamp = {2019-07-15T11:42:10.000+0200},
title = {A Route to Base Coordinate Silicon Difluoride and the Silicon Trifluoride Radical},
volume = 24,
year = 2018
}
