Microwave accelerated Castagnoli-Cushman reaction: Synthesis of novel 6,7,8,9-tetrahydropyrido[3′,2′:4,5]pyrrolo[1,2-a]pyrazines
作者:Devaiah Vytla、Parinita Shaw、Rajeswari Velayuthaperumal、Jithendra Emmadi、Arvind Mathur、Amrita Roy
DOI:10.1016/j.tetlet.2021.152943
日期:2021.3
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。