Li/X Phosphinidenoid Pentacarbonylmetal Complexes: A Combined Experimental and Theoretical Study on Structures and Spectroscopic Properties
作者:Rainer Streubel、Aysel Özbolat-Schön、Gerd von Frantzius、Holly Lee、Gregor Schnakenburg、Dietrich Gudat
DOI:10.1021/ic302786v
日期:2013.3.18
Li/X phosphinidenoid metal complexes [Li(12-crown-4)(Et2O)n][(CO)5M(RPX)] 6a–c, 7a–c, 8, and 9 (6a–c: M = W, Mo, Cr; X = F; 7a–c: M = W, Mo, Cr; X = Cl; 8: M = W; X = Br; 9: M = W; X = I). This first comprehensive study on the synthesis of the title compounds reveals metal and halogen dependencies of NMR parameters as well as thermal stabilities of 6a, 7a, 8, and 9 in solution (F > Cl > Br > I). DOSY
的合成P -F膦金属配合物[(CO)5 μRP(H)F}]图2a - C ^(R = CH(森达3)2 ;一个:M = W; b:M =钼; Ç: M = Cr)是使用AgBF 4在P -Cl前体络合物[(CO)5 M RP(H)Cl}] 3a – c中进行Cl / F交换所描述的;2 H-氮杂磷腈金属配合物[(CO)5 M RP(C(Ph)═N}] 1a – c与[Et 3 NH] X的热反应生成配合物3a– c,4和5(M = W;a – c:X = Cl;4:X = Br;5:X = I)。在12-crown-4存在下,使用二异丙基氨基化锂使配合物2a - c,3a - c,4和5质子化,从而生成Li / X膦类金属配合物[Li(12-crown-4)(Et 2 O)n ] [(CO)5 M(RPX)] 6a – c,7a – c,8和9(6a – c:M = W,Mo,Cr;