Synthesis and Crystal Structures ofP-Halogeno(imino)methylenephosphoranes X−P(=NtBu3C6H2)=C(SiMe3)2 (X = Cl, Br, I)
作者:Alexander Ruban、Martin Nieger、Edgar Niecke
DOI:10.1002/(sici)1099-0682(199801)1998:1<83::aid-ejic83>3.0.co;2-k
日期:1998.1
(Me3Si)3C−P=N−Mes* (1) reacts with iodine to form the imino(methylene)phosphorane I−P(=N−Mes*)=C(SiMe3)2 (2). Upon subsequent treatment with AgCl, the corresponding chloro derivative 3 is obtained. Chlorine/bromine exchange in 3 with bromotrimethylsilane affords the bromo analogue 4. The structures of 2, 3 and 4 were confirmed by X-ray crystal structure analysis; each of the compounds features a trigonal-planar
亚氨基膦 (Me3Si)3C-P=N-Mes* (1) 与碘反应形成亚氨基(亚甲基)正膦 I-P(=N-Mes*)=C(SiMe3)2 (2)。在随后用 AgCl 处理后,获得相应的氯代衍生物 3。3 中的氯/溴与溴代三甲基硅烷交换得到溴类似物 4。2、3 和 4 的结构通过 X 射线晶体结构分析得到证实;每种化合物都有一个三角形平面磷原子。