Institute of Organic Chemistry, RWTH Aachen University, Landoltweg 1, D-52074 Aachen, Germany.
Beilstein J Org Chem. 2014 May 27;10:1233-8. doi: 10.3762/bjoc.10.122. eCollection 2014.
Pyrrolo[2,1-a]isoquinoline alkaloids have been prepared via a visible light photoredox catalyzed oxidation/[3 + 2] cycloaddition/oxidative aromatization cascade using Rose Bengal as an organo-photocatalyst. A variety of pyrroloisoquinolines have been obtained in good yields under mild and metal-free reaction conditions.
吡咯并[2,1-a]异喹啉生物碱可通过可见光光氧化还原催化氧化/[3 + 2]环加成/氧化芳构化级联反应来制备,使用玫瑰红作为有机光催化剂。在温和且无金属的反应条件下,多种吡咯并异喹啉以良好的收率得到。