Meininger, Daniel J. published the artcileSynthesis of tetraphenylporphyrinate manganese(III) siloxides by silyl group transfer from silanethiols, SDS of cas: 17877-23-5, the publication is Journal of Coordination Chemistry (2016), 69(11-13), 1970-1978, database is CAplus.
Reaction of [Mn(OAc)(TPP)] (TPP = dianion of meso-tetraphenylporphine) with both HSSiiPr3 and HSSiPh3 in the presence of air gives the corresponding siloxide complexes, [Mn(OSiR3)(TPP)] (R = iPr, Ph), via silyl group transfer from S to O. The new compounds were fully characterized in solution and the solid state and represent rare examples of Mn(III) porphyrinates containing Lewis basic axial ligands. X-ray crystallog. analyses of both complexes reveal very short Mn-O bond distances consistent with the presence of a siloxide ligand. Investigations of the reaction pathway are consistent with initial reduction of [Mn(OAc)(TPP)] to [MnII(TPP)] by the silanethiol. Subsequent aerobic oxidation of the reaction mixture is proposed to generate a Mn(III) porphyrinate and the corresponding silanol, which combine to yield the observed siloxide complex. These findings stand in sharp contrast to those of iron(III) porphyrinates, where silanethiolate complexes are stable.
Journal of Coordination Chemistry published new progress about 17877-23-5. 17877-23-5 belongs to alcohols-buliding-blocks, auxiliary class Protection and Derivatization Reagent, name is Triisopropylsilanol, and the molecular formula is C9H22OSi, SDS of cas: 17877-23-5.
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