Diemer, Stefan; Noeth, Heinrich; Storch, Wolfgang, European Journal of Inorganic Chemistry, 1999, # 9, p. 1765 - 1780
作者:Diemer, Stefan、Noeth, Heinrich、Storch, Wolfgang
DOI:——
日期:——
Heteroorganic betaines
作者:I. V. Borisova、N. N. Zemlyanskii、A. K. Shestakova、V. N. Khrustalev、Yu. A. Ustynyuk、E. A. Chernyshev
DOI:10.1007/bf02494721
日期:2000.5
The [Ph3P+-CMe2-SiMe2-SEt]Br- salt was prepared by the reaction of betaine Ph3P+-CMe2SiMeR-S- (1a: R = Me) with EtBr. Acetylation of betaine 1a or Et3P+-CHMeSiMe2-S- (2a) afforded 2,2,6-trimethyl-1,3-dioxa-2-silacyclohex-5-ene-4-thione Me2SiOC(=S)CH=C(Me)O or the [Et3P+-CHMeSiMe2Cl]Cl- salt depending on the reagent ratio. The reactions of betaines la,b (Ib: R = Ph) or 2 with compounds (R3Sn)(2)X (X = O or NMe can be used for the generation of silanones [RMeSi = O] and silaneimines [RMeSi = NMe] in solutions. The reactivity of betaines Ph3P+-(CHRSiMeR2)-Si-1-S- (R-1 = H or Me and R: = Me or Ph) is determined by the equilibrium between the zwitterionic and ylide Ph3P = (CRSiMeRSH)-Si-1-S-2 tautomers that exist in solutions.
Roesky, H. W.; Wiezer, H., Chemische Berichte, 1971, vol. 104, p. 2258 - 2265
作者:Roesky, H. W.、Wiezer, H.
DOI:——
日期:——
ROESKY H. W.; SCHMIEDER W.; AMBROSIUS K., Z. NATURFORSCH., 1979, B 34, NO 2, 197-199