A new synthetic route to functionally substituted (η5-cyclopentadienyl) dicarbonyliridium compounds
作者:Matthew S. Blais、Marvin D. Rausch
DOI:10.1016/0022-328x(95)05627-2
日期:1995.10
substituted (η5-cyclopentadienyl) dicarbonyliridium compounds have been prepared from reactions of the corresponding substituted cyclopentadienyl-sodium, -lithium, or -thallium reagents with chlorodicarbonyl(pyridine)iridium. Ring-substituted compounds synthesized by this route include chloro, benzyl, pentabenzyl, acetyl, carbomethoxy, methyl, benzoyl, trimethylsilyl, cyano, dimethylamino, tetraphenyl, dimethylaminoethyl
一系列官能取代(的η 5 -环戊二烯基)dicarbonyliridium化合物已经从相应的取代的环戊二烯基钠, -锂,或-thallium试剂的反应来制备与chlorodicarbonyl(吡啶)铱。通过该途径合成的环取代的化合物包括氯,苄基,五苄基,乙酰基,甲氧基甲氧基,甲基,苯甲酰基,三甲基甲硅烷基,氰基,二甲基氨基,四苯基,二甲基氨基乙基,(四甲基)二甲基氨基乙基,甲氧基乙基和五甲基。对称和不对称的羰基拉伸频率以及羰基取代基的13 C NMR化学位移已与各种Hammett取代基参数相关。