Siliciumhaltige Carben‐Komplexe, VII. Disulfid‐katalysierte Umsetzung von (CO) 5 WC(XR)SiPh 3  (X = O, S) mit Thiolen | Zendy

Kron Johanna | Zendy; Hörnig Hannelore | Zendy; Schubert Ulrich | Zendy

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Siliciumhaltige Carben‐Komplexe, VII. Disulfid‐katalysierte Umsetzung von (CO) 5 WC(XR)SiPh 3 (X = O, S) mit Thiolen

Author(s) -

Kron Johanna,

Hörnig Hannelore,

Schubert Ulrich

Publication year - 1986

Publication title -

chemische berichte

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.667

H-Index - 136

eISSN - 1099-0682

pISSN - 0009-2940

DOI - 10.1002/cber.19861190921

Subject(s) - chemistry , carbene , yield (engineering) , medicinal chemistry , thiol , disulfide bond , catalysis , polymer chemistry , organic chemistry , biochemistry , materials science , metallurgy

Silicon‐Containing Carbene Complexes, VII. Disulfide‐ catalyzed Reaction of (CO) 5 WC(XR)SiPh 3 (X = O, S) with Thiols (CO) 5 WC(OEt)SiPh 3 ( 1 ) reacts with RSH (R = Et, Me) only in the presence of disulfide, R 2 S 2 , to yield (CO) 5 WC(SR)SiPh 3 ( 2 ). Supplementary experiments indicate a cyclic transition state ( A ) which is formed from carbene complex, thiol, and disulfide. Exchange of the alkylthio group of 2 proceeds by an analogous mechanism.

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