Carbon dioxide chemistry. Synthesis, properties, and structural characterization of stable bis(carbon dioxide) adducts of molybdenum
作者:Rafael. Alvarez、Ernesto. Carmona、Jose M. Marin、Manuel L. Poveda、Enrique. Gutierrez-Puebla、Angeles. Monge
DOI:10.1021/ja00269a026
日期:1986.4
dioxide) adduct, trans-Mo(CO/sub 2/)/sub 2/(PMe/sub 3/)/sub 4/, 1, has been prepared from the reaction of cis-Mo(N/sub 2/)/sub 2/(PMe/sub 3/)/sub 4/ with CO/sub 2/ under pressure (4-5 atm). The interaction of 1 with several small molecules has been studied. In particular, reaction with COS affords a seven-coordinate S,S'-dithiocarbonate, Mo(S/sub 2/CO)(CO)/sub 2/(PMe/sub 3/)/sub 3/, 2, while interaction with
双(二氧化碳)加合物,trans-Mo(CO/sub 2/)/sub 2/(PMe/sub 3/)/sub 4/, 1,已由顺式-Mo(N/sub 2/)/sub 2/(PMe/sub 3/)/sub 4/ 带 CO/sub 2/ 压力 (4-5 atm)。已经研究了 1 与几个小分子的相互作用。特别是,与 COS 反应得到七配位 S,S'-二硫代碳酸酯,Mo(S/sub 2/CO)(CO)/sub 2/(PMe/sub 3/)/sub 3/, 2,同时相互作用与各种异氰化物产生新的二氧化碳复合物 trans,mer-Mo(CO/sub 2/)/sub 2/(CNR)(PMe/sub 3/)/sub 3/, 3 (R = Me, 3a; i- Pr,3b;t-Bu,3c;Cy,3d;CH/sub 2/C/sub 6/H/sub 5/,3e)。新化合物已通过分析和光谱(IR 和 /sup 1/H、/sup