Rapid synthesis of Group VI carbonyl complexes by coupling borohydride catalysis and microwave heating
作者:Kurt R. Birdwhistell、Brian E. Schulz、Paula M. Dizon
DOI:10.1016/j.inoche.2012.09.030
日期:2012.12
tetracarbonyl phosphine and tertiary amine complexes [M(CO)4 L2, M = Cr, Mo, W, L2 = 2PPh3, dppm, dppe, dppp, dppb, bpy, phen, dppf] were synthesized in minutes in the microwave at moderate temperature, atmospheric pressure, and utilizing NaBH4 as a catalyst. The reactions were optimized by careful solvent selection. The octahedral complexes were isolated in percent yields ranging from 17 to 95. The
摘要 在几分钟内合成了几种 VI 族四羰基膦和叔胺配合物 [M(CO)4 L2, M = Cr, Mo, W, L2 = 2PPh3, dppm, dppe, dppp, dppb, bpy, phen, dppf]在中等温度、大气压下进行微波,并利用 NaBH4 作为催化剂。通过仔细选择溶剂来优化反应。八面体配合物以 17 到 95% 的产率被分离出来。与传统的热合成相比,更低的温度、更短的反应时间、温和的溶剂和更低的压力为这些常见的 VI 族配合物提供了一种快速、环保的合成途径.
Substituted metal carbonyls XI. 1,1′-Bis(diphenylphosphino)ferrocene — a bridging, chelating and unidentate ligand in the synthesis of M2(CO)10(μ-PP), M(CO)4(η2-PP) and M(CO)5(η1-PP) (where M = Cr, Mo, W and PP = Fe(C5H4PPh2)2)
作者:T.S.Andy Hor、Lai-Tee Phang
DOI:10.1016/0022-328x(89)85061-2
日期:1989.9
decarbonylation of M(CO)6 (M = Cr, Mo, W) followed by nucleophilic attack by 1,1′-bis(diphenylphosphino)ferrocene (dppf) affords a mixture of heterometallic products which consists mainly of a chelate with a bidentate diphosphine, M(CO)4(dppf), and a dinuclear phosphine-bridged complex M2(CO)10(dppf) at ambient temperature (28° C). The corresponding unidentate diphosphine, M(CO)5(dppf), is obtained