Highly Productive α-Alkylation of Ketones with Alcohols Mediated by an Ir–Oxalamidato/Solid Base Catalyst System
作者:Hideo Shimizu、Hironori Maeda、Hideki Nara
DOI:10.1021/acs.oprd.0c00362
日期:2020.11.20
An Ir–oxalamidato complex in combination with a solid base (e.g., magnesium aluminometasilicate/Ca(OH)2) significantly improved the catalyst productivity in α-alkylation of methyl ketones with primary alcohols. Optimization through systematic variation of the oxalamidato ligand led to a practical turnover number (TON) of 10 000–40 000.
Ir-草胺酰胺配合物与固体碱(例如,铝硅酸镁/ Ca(OH)2)结合可显着提高甲基酮与伯醇的α-烷基化反应的催化剂生产率。通过系统改变草酰胺的配体而进行的优化导致实际营业额(TON)为10,000至40,000。