Six-membered annulation reaction by sequential η3-allylpalladium alkylation-Michael addition
作者:Céline Jousse、Delphine Mainguy、Didier Desmaële
DOI:10.1016/s0040-4039(97)10833-4
日期:1998.3
bisfunctional electrophile 16, with 1,3 dione 17 or arylnitromethane derivative 7, led to adducts 18 and 20 respectively, through a sequential process involving η3-allylpalladium alkylation-Michael addition. Nitro ester 20 constitutes useful potential precursor for the synthesis of Erythrina alkaloids.
钯催化bisfunctional电体的缩合16,与1,3-二酮17或arylnitromethane衍生物7,导致加合物18和20分别通过涉及顺序过程η 3 π-烯丙基烷基化-迈克尔加成。硝酸酯20构成了合成赤藓生物碱的有用潜在前体。