Xu Long-He, Kuendig Ernst Peter, Helv. chim. acta, 77 (1994) N 6, S 1480-1484
作者:Xu Long-He, Kuendig Ernst Peter
DOI:——
日期:——
Efficient Synthesis of Methyl 2-(<i>tert</i>-Butyl)acrylate and Analogous Esters
作者:Long-He Xu、Ernst Peter Kündig
DOI:10.1002/hlca.19940770603
日期:1994.9.21
hydroalumination of methyl propiolate and Lewis-acid-promoted reaction with acetone in the presence of BF3 followed by two highly selective SN2′ reactions. The key step is the reaction of 2-(chloromethyl)acrylates with R2CuLi/ZnCl2 reagents which takes place with complete allylic rearrangement.
标题产物是通过有效的三步合成法制备的,该方法包括丙三酸甲酯的氢铝化和在BF 3存在下与丙酮进行路易斯酸促进的反应,然后进行两个高度选择性的S N 2'反应。关键步骤是2-(氯甲基)丙烯酸酯与R 2 CuLi / ZnCl 2试剂的反应,该反应在完全烯丙基重排的情况下进行。