Tetraphenylstibonium

A tetraphenyl borate salt containing the tetraphenylstibonium cation of the type [Ph4E] [Ph4B] " (E = As, Sb) was prepared in 1988 . 

Tetraphenylstibonium triflate (PhtSbOTf liM) has been reported to be an effective catalyst for oxirane ring opening. Thus, otherwise unreactive cyclohexene oxide reacted smoothly with diethylamine in the presence of (134) (CH2CI2,40 C, 20 h) to give ( )-2-diethylaminocyclohexanol in 75% yield. "... 

In chloroform, the decomposition of pentaphenylantimony (3) led to tetraphenylstibonium chloride (7), benzene and a small amount of biphenyl (5). In carbon tetrachloride, the reaction of decomposition of pentaphenylantimony led to tetraphenylstibonium chloride, chlorobenzene and a small amount of biphenyl. These reactions were first reported by Razuvaev et al in 1960 who considered them to be free radical processes,... 

Organolithium compounds are used also for the synthesis of pentaaryl- and pentaalkyl-antimony compounds thus, pentaphenylantimony is obtained from phenyllithium and triphenylstibine dichloride or tetraphenylstibonium bromide 499... 

Tetraphenylstibonium triflate 2-Aminoalcohols from oxido compds. 

Tetraphenylstibonium iodide Lactones from cyclic ethers and ketenes Regiospecihc conversion... 

Baba, A., Kashiwagi, H., Matsuda, H., 1985. Cycloaddition of oxetane and carbon dioxide catalyzed by tetraphenylstibonium iodide. Tetrahedron Letters 26, 1323—1324. 

The reaction of oxetane with carbon dioxide in the presence of tetraphenylstibonium iodide affords the six-membered ring [4-1-1] cycloadduct 87 ... 

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