Dual Ti-Ru Catalysis in the Direct Radical Haloalkylation of N-Acyl Oxazolidinones
作者:Zhenhua Gu、Aaron T. Herrmann、Armen Zakarian
DOI:10.1002/anie.201101364
日期:2011.7.25
want not: A mechanistic study of the ruthenium‐catalyzed haloalkylation of titanium enolates led to the development of a process that is catalytic in both metals: titanium and ruthenium (see scheme; Bn=benzyl, PMP=1,2,2,6,6‐pentamethylpiperidine). Catalytic turnover was observed in the formation of the titanium enolates from N‐acyl oxazolidinones, and insight was gained into the inhibitory effect of the
不要浪费,不要:对钌催化的钛烯醇盐卤代烷基化的机理研究导致开发了一种对两种金属都有催化作用的工艺:钛和钌(参见方案;Bn=苄基,PMP=1,2,2 ,6,6-五甲基哌啶)。在从N-酰基恶唑烷酮形成钛烯醇化物的过程中观察到催化转化,并深入了解了胺碱的抑制作用。