科研之友
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摘要
A series of novel azo group fused 2H-chromenes and 4H-chromenes were synthesised as well as pyranopyrazole derivatives via the Knoevenagel condensation reaction of C-H acid compounds with 5-(arylazo) salicylaldehydes by a nucleophilic addition to the carbonyl group followed cyclisation.
- 出版日期2018-2
