N-Benzyl and N-aryl bis(phospha-Mannich adducts): Synthesis and catalytic activity of the related bidentate chelate platinum complexes in hydroformylation
作者:Erika Bálint、Eszter Fazekas、Péter Pongrácz、László Kollár、László Drahos、Tamás Holczbauer、Mátyás Czugler、György Keglevich
DOI:10.1016/j.jorganchem.2012.07.031
日期:2012.10
The microwave-assisted double Kabachnik–Fields (phospha-Mannich) reaction of benzylamine and arylamines, two equivalents of paraformaldehyde and the P(O)H reagent, such as dialkyl phosphites, ethyl phenyl-H-phosphinate and diphenylphosphine oxide gave the bis(P(O)CH2)amine derivatives in good yields. The bis(diphenylphosphinoxido) derivatives were converted to the corresponding ring platinum complexes
微波辅助的苄基胺和芳基胺,两当量的多聚甲醛和P(O)H试剂(例如亚磷酸二烷基酯,苯基H-次膦酸乙基酯和二苯基膦氧化物)的双Kabachnik-Fields(phospha-Mannich)反应P(O)CH 2)胺衍生物的收率很高。脱氧后,双(二苯基膦氧化基)衍生物被转化为相应的环铂络合物,其催化活性在苯乙烯的加氢甲酰化中进行了测试。配合物之一的晶体结构分析表明,配合物结构与溶剂夹杂物之间有趣的相关性。