Highly reduced organometallics XXVII. Synthesis, isolation and characterization of trisodium tricarbonylcobaltate(3 -), and initial studies on its derivative chemistry
作者:John E. Ellis、Paul T. Barger、Mark L. Winzenburg、Garry F. Warnock
DOI:10.1016/0022-328x(90)85151-n
日期:1990.2
Reduction of A[Co(CO)4] by three equivalents of A (A = sodium or potassium) in liquid ammonia provides salts containing tricarbonylcobaltate(3 -). A satisfactorily pure sodium compound, Na3[Co(CO)3] is described for the first time. Reactions of A3[Co(CO)3] with two equivalents of Ph3ECl (E = Ge, Sn, Pb) provides 50–70% yields of trans-(Ph3E)2Co(CO)3− which have been isolated as analytically pure Et4N+
在液氨中将A [Co(CO)4 ]还原为三当量的A(A =钠或钾)可得到含三羰基钴酸盐(3-)的盐。首次描述了令人满意的纯钠化合物Na 3 [Co(CO)3 ]。A的反应3 [Co(CO)3 ]的Ph的两当量的3 ECL(E =锗,锡,铅)提供了50-70%的收率的反式- (PH 3 E)2的Co(CO)3 - ,其具有分离出分析纯的Et 4 N +盐。K 3 [Co(CO)3的液氨浆料的处理]与三个当量的NH 4在PR的存在氯3或CNR,导致氢气的进化且Co(CO)形成3大号- 。在L = t-BuNC的情况下,制备第一个这样的被异氰酸酯取代的羰基钴(1-)物质,并通过该方法以67%的收率分离。对于形成的Co(CO)一种可能的途径3大号-选自K 3 [Co(CO)3 ]在光类似质子化反应的讨论报道其他carbonylmetallate抗衡三。