Reactions of (triphenylstannyl)carbodiimides and -cyanamide with organic halides and isothiocyanates
作者:Raymond A. Cardona、Eugene J. Kupchik
DOI:10.1016/s0022-328x(00)81776-3
日期:1972.9
bromide complex (IV). The reaction of N-(triphenylstannyl)-N′-tritylcarbodiimide (II) with trityl chloride also afforded ditritylcarbodiimide, but the reaction of (II) with benzyl bromide afforded a benzyltritylcyanamide/triphenyltin bromide complex (V). The complexes (IV) and (V) were prepared also by the reaction of triphenyitin bromide with the corresponding dialkylcyanamide. Some evidence that the nitrile
尽管未发现双(三苯基锡烷基)碳二亚胺(I)与烷基卤化物的反应是生成二烷基碳二亚胺的一般途径,但未发现一些有趣的反应(I)与烷基卤化物。(I)与三苯甲基氯的反应以高收率得到二三苯甲基碳二亚胺,而(I)与苄基溴的反应得到新的二苄基氰酰胺/三苯基锡溴化物配合物(IV)。的反应ñ - (三苯基) - N'-三苯甲基碳二亚胺(II)与三苯甲基氯也得到二三苯甲基碳二亚胺,但是(II)与苄基溴的反应得到苄基三苯甲基氰酰胺/三苯基锡溴化物配合物(V)。配合物(IV)和(V)也通过三苯乙啶溴化物与相应的二烷基氰酰胺的反应来制备。一些证据表明,在这些配合物中,腈氮而不是氨基氮与锡结合。(三苯基锡烷基)氰酰胺(III)与三苯甲基氯和三乙胺的反应得到二三苯甲基碳二亚胺以及少量的(II)。