Reaction of 3-chloro-2-(trimethylsiloxy)prop-1-ene with low-valent metal complexes. Syntheses of metallacyclobutan-3-ones of osmium, iridium, and platinum and the X-ray structure of chloro(carbonyl)bis(triphenylphosphine)iridacyclobutan-3-one
作者:Michael D. Jones、Raymond D. W. Kemmitt、John Fawcett、David R. Russell
DOI:10.1039/c39860000427
日期:——
metal complexes, [IrH(CO)(PPh3)3], [Pd(PPh3)4], and [Pt(trans-stilbene)(PPh3)2] catalyse the isomerisation of the ketone Me3SiCH2C(O)CH2Cl to the silylenol ether CH2C(OSiMe3)CH2Cl which reacts with [Os(CO)2(PPh3)3], [IrH(CO)(PPh3)3], [IrH(CO)2(PPh3)2], trans-[IrCl(CO)(PPh3)2], and [Pt(trans-stilbene)(PPh3)2] to afford the metallacyclobutan-3-ones [[graphic omitted]H2}(CO)2(PPh3)2], [[graphic omitt
低价金属络合物[IrH(CO)(PPh 3)3 ],[Pd(PPh 3)4 ]和[Pt(反式-二苯乙烯)(PPh 3)2 ]催化酮Me 3的异构化将SiCH 2 C(O)CH 2 Cl转化为与[Os(CO)2(PPh 3)3 ],[IrH(CO)(PPh 3)3 ]反应的甲硅烷基醚CH 2 C(OSiMe 3)CH 2 Cl ,[IrH(CO)2(PPh 3)2 ],反式-[IrCl(CO)(PPh 3)2 ]和[Pt(反式-苯乙烯基)(PPh 3)2 ],得到金属环丁烷-3-酮[H 2 }(CO)2(PPh 3)2 ],[[省略图示] H 2 }(Cl)(CO)(PPh 3)2 ]和[[省略图示] H 2 }(PPh 3)2 ];标题配合物(3)的X射线结构确定存在皱褶的iridacyclobutan-3-one环[折叠角41°]。