2-(PPh3)2-2-H-2,1,7-RhC2B9H11] (1b); and [closo-2,2-(PPh3)2-2-H-2,1,12-RhC2B9H11] (1c) react with isopropenyl acetate and vinyl acetate under mild conditions to give ester CO bond scission, expulsion of alkene, and formation of bidentate or monodentate acetate complexes of the form (PPh3)(η2-CH3COO)RhC2B9H11 or (PPh3)2(η1-CH3COO)RhC2B9H11. These acetate complexes react readily with hydrogen to regenerate the parent
同分异构的氢化膦基膦酰基碳杂
硼酸钠(III)簇,[ closo -3,3-(PPh 3)2 -3-H-3,1,2-RhC 2 B 9 H 11 ](1a);[ closo -2,2-(PPh 3)2 -2-H-2,1,7-RhC 2 B 9 H 11 ](1b);和[ closo -2,2-(PPh 3)2 -2-H-2,1,12-RhC 2 B 9 H 11 ](1c)用温和的条件下
乙酸异丙烯酯和
乙酸乙烯酯反应,得到酯CO键断裂,烯烃的排出,并形成二齿或单齿
乙酸配合物的形式的(PPH 3)(η 2 -CH 3 COO)RHC 2乙9 ħ 11或(PPH 3)2(η 1 -CH 3 COO)RHC 2乙9 ħ 11。这些
乙酸盐络合物容易与氢反应以再生母体化合物。可以从1b的反应中分离出通过羰基氧螯合的非常稳定的烷基络合物在低温下用
乙酸乙烯酯进行反应,而1a与
乙酸异丙烯酯或
乙酸乙烯酯在较高