New cyclic phosphonium salts derived from the reaction of phosphine-aldehydes with acid

AA Mikhailine, PO Lagaditis, PE Sues, AJ Lough…

Index: Mikhailine, Alexandre A.; Lagaditis, Paraskevi O.; Sues, Peter E.; Lough, Alan J.; Morris, Robert H. Journal of Organometallic Chemistry, 2010 , vol. 695, # 14 p. 1824 - 1830

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Citation Number: 13

Abstract

Various cyclic phosphonium structures are formed in high yield by the deprotection of unstable phosphine-aldehydes in acidic solution. When there is a methylene spacer between the phosphine and the aldehyde, a phosphonium ion [PHR2CH2CH (OEt) 2] Br2, R= iPrOH, Et is obtained. Reaction of these phosphonium salts with water produces the dimers [–PR2CH2CH (OH)–] 2 [Br] 2 R= iPr, Et. When there is an ethylene spacer as in ...