(Benzene-1,3,5-triyl)tris[phosphine] (C6H3(PH2)3) and (Benzene-1,3,5-triyl)tris[phosphonic Acid] (C6H3[P(O)(OH)2]3). Absence of Hydrogen Bonding in Solid Primary Phosphines
作者:Stephan A. Reiter、Bernd Assmann、Stefan D. Nogai、Norbert W. Mitzel、Hubert Schmidbaur
DOI:10.1002/1522-2675(200204)85:4<1140::aid-hlca1140>3.0.co;2-x
日期:2002.4
5-dichlorophenyl)phosphine (7; 46.5%), (5-chloro-1,3-phenylene)bis[phosphine] (8; 34.5%) and (benzene-1,3,5-triyl)tris[phosphine] (9; 25.2% yield), In the crude reduction products from 2 (preparation of 8) and from 3 (preparation of 9), (3-chlorophenyl)phosphine and (1,3-phenylene)bis[phosphine], respectively, are observed as by-products. All compounds are characterized by standard analytical, spectroscopic
1,3,5-三氯苯与大量过量的亚磷酸三甲酯(作为溶剂)在 50 度下的长时间光 Arbuzov 反应(3 周,汞灯)产生中等产率的二甲基 (3,5-二氯苯基)膦ate (1; 14.5%)、四甲基 (5-chloro-1,3-phenylene)bis[phosphonate] (2; 35.4%) 和六甲基 (苯-1,3,5-triyl)tris[phosphonate] (3 ; 30.1%)。产物可以通过分馏分离。酯的酸水解产生几乎定量的相应膦酸4-6产率。在四氢呋喃中用 LiAlH4 还原酯 1-3,得到伯膦(3,5-二氯苯基)膦(7;46.5%)、(5-氯-1,3-亚苯基)双[膦](8;34.5%) )和(苯-1,3,5-三基)三[膦](9;25.2%收率),在来自2(制备8)和来自3(制备9)的粗还原产物中,(3-氯苯基)膦和(1,3-亚苯基)双[膦]分别作为副产物被观察到。所有化合物均通过标准分析、光谱和(对于