Treatment of (η6-benzyl alcohol)tricarbonylchromium with alkyl-lithium compounds (ButLi; MeLi-tetramethylethylenediamine; BunLi; PhLi) regioselectively generates the corresponding η6-5-methylene-6-exo-alkylcyclohexa-1,3-diene complexes which undergo proton catalysed isomerisations to give (η6-ortho-alkyltoluene)tricarbonylchromium complexes.
用烷基
锂化合物 (ButLi; MeLi-
四甲基乙二胺; BunLi; PhLi) 处理 (δ6-
苯甲醇) 三羰基
铬区域选择性地生成相应的 δ6-5-亚甲基-6-外型-烷基环六-1,3-二烯络合物经过质子催化异构化得到(β6-邻烷基
甲苯)三羰基
铬络合物。