1248412-52-3Relevant articles and documents
A simple method for the synthesis of functionalized 6-aryl-6H-dibenzo[b,d] pyran derivatives from 3-nitro-2H chromenes
Li, Ping,Luo, Ling-Ling,Li, Xin-Sheng,Xie, Jian-Wu
experimental part, p. 7590 - 7594 (2010/12/19)
The one-pot synthesis of multi-substituted 6-aryl-6H-dibenzo[b,d]pyran derivatives was achieved via vinylogous Michael addition as the key step and domino reactions under mild reaction conditions, employing readily available α,α-dicyanoolefins and 3-nitro-2H-chromenes as substrates.