DOI: 10.1039/d6ob01213b ISSN: 1477-0520

CuI-catalyzed cascade cyclization using indole-3-carbaldehydes and amidines for the synthesis of pyrimido[4,5- b ]indoles

Yanjun Xie, Yi Liang, Xinbo Liu, Jiangtao Gong, Huan Tang, Yunfeng Liao, Subarna Jyoti Kalita, Bing Yi, Jian-Ping Tan
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Cheap copper(

i
) catalyzed the synthesis of pyrimido[4,5- b ]indoles from indole-3-aldehydes and amidines. During the reaction, oxygen was used as a green oxidant.

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