Organophosphorus and organosilicon derivatives of sterically hindered phenols

SD Pastor, ET Hessell

Index: Pastor, Stephen D.; Hessell, Edward T. Journal of Organometallic Chemistry, 1989 , vol. 376, p. 21 - 30

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Abstract

Abstract A general methodology for the preparation of sterically hindered hydroxyaryl derivatives of both phosphorus and silicon is described. The reaction of 3, 5-di-t-butyl-4- trimethylsilyloxyphenyllithium (4), which was prepared by the metalation of 1-bromo-3, 5-di-t- butyl-4-trimethylsilyloxybenzene with n-butyllithium at− 78 C, with chlorodiphenylphosphine gave the protected phenolic derivative 3, 5-di-t-butyl-4-trimethylsilyloxyphenyl (diphenyl) ...