acetic anhydride as a dehydrating agent was significantly accelerated by microwave irradiation. The reaction conditions offer a convenient preparation of novel 6,7,8,9-tetrahydropyrido[3′,2′:4,5]pyrrolo[1,2-a]pyrazines in moderate to good yields with good trans stereoselectivity.
使用
乙酸酐作为脱
水剂,各种氮杂
吲哚二
羧酸与
亚胺的Castagnoli-Cushman反应可通过微波辐射显着加速。反应条件提供了方便的制备新型6,7,8,9-四氢
吡啶并[3',2':4,5]
吡咯并[1,2- a ]
吡嗪的良好收率和良好的反式立体选择性。