Palladium-Catalyzed Carbonylation of Homoallylic Amine Derivatives in the Presence of a Copper Co-catalyst
作者:Takanori Mizutani、Yutaka Ukaji、Katsuhiko Inomata
DOI:10.1246/bcsj.76.1251
日期:2003.6
γ-Lactams were synthesized from N-tosylhomoallylamines by a carbonylation reaction catalyzed by palladium and copper salts under the normal pressure of CO and O2 at room temperature. Monocarbonylation proceeded by the use of [PdCl2(CH3CN)2] and CuCl2 to afford 3-methyl-2-pyrrolidones, while the use of PdCl2 and CuCl switched the reaction from monocarbonylation to dicarbonylation to produce alkyl 2
γ-内酰胺是由N-甲苯磺酰基高烯丙胺在常温CO和O2常压下,通过钯盐和铜盐催化的羰基化反应合成的。通过使用 [PdCl2(CH3CN)2] 和 CuCl2 进行单羰基化,得到 3-甲基-2-吡咯烷酮,而使用 PdCl2 和 CuCl 将反应从单羰基化转变为二羰基化,生成 2-氧代吡咯烷-3-乙酸烷基酯良好的收益率,分别。