以三乙胺为缚酸剂,二苯胺和4,4'-二溴二苯胺分别与三光气反应制得N,N-二苯基氨基甲酰氯(2a)和N,N-(4,4'-二溴二苯基)氨基甲酰氯(2b); 2a和2b分别与3-氨丙基三乙氧基硅烷反应合成了两个新型的含非对称取代脲的功能性有机硅氧烷——1,1-二苯基-3-(3-三乙氧基硅基)丙基脲和1,1-(4,4'-二溴二苯基)-3-(3-三乙氧基硅基)丙基脲,其结构经1H NMR,13C NMR和IR表征.
N,N-diphenyl carbamyl chloride (2a) and bis (4-bromophenyl) carbamic chloride (2b) were prepared by reaction of triphosgene with diphenylamine and bis(4-bromophenyl)amine,respectively,using triethylamine as the acid acceptor.Two novel functional organic siloxanes containing asymmetric substituted urea,1,1-diphenyl-3-[3-(triethoxysilyl) propyl] urea and 1,1-bis (4-bromophenyl)-3-[3-(triethoxysilyl) propyl] urea,were designed and synthesized by reaction of 3-ammoniapropyltriethoxysilane with 2a and 2b,respectively.The structures were characterized by 1H NMR,13C NMR and IR.