O,O'-dialkyl and alkylene dithiophosphate derivatives of silver(I). X-ray crystal structure of [Ag{S2POCH2CMe2CH2O} PPh3]2 · 2H2O

Silver(I) dialkyl/alkylene dithiophosphates of the types [Ag{S^sub 2^P(OR)^sub 2^}] and [Ag{S^sub 2^P(OGO)}] (where R = -Pr^sup n^; G = -CMe^sub 2^CH^sub 2^CHMe-, -CH^sub 2^CMe^sub 2^CH^sub 2^-, -CMe^sub 2^CMe^sub 2^- or -CH^sub 2^CH^sub 2^CHMe-) have been prepared by treating an aqueous solution of AgNO^sub 3^ with ammonia salts of the respective dithiophosphoric acid. The derivatives form 1:1 adducts readily with 2,2'-bipyridine or Ph^sub 3^P in CH^sub 2^Cl^sub 2^ solution. These novel complexes have been characterized by elemental analyses, molecular weight measurements and spectral (i.r., ^sup 1^H- and ^sup 31^P-n.m.r.) studies. The crystal structure of [Ag{S^sub 2^POCH^sub 2^CMe^sub 2^CH^sub 2^O · PPh^sub 3^]^sub 2^ · 2H^sub 2^O exhibits an unsymmetrical attachment of the silver(I) to the ligand moiety.[PUBLICATION ABSTRACT]