Synthesis of 4H-chromene derivatives by reaction between alkyl isocyanides and dialkyl acetylenedicarboxylate in the presence of 6-hydroxyquinoline
摘要:
The reactive intermediate generated by the addition of alkyl isocyanides to dialkyl acetylenedicarboxylate was trapped by 6-quinolinol to produce highlyfunctionalized 4H-chromenes in fairly good yields. (C) 2011 Bita Mohtat. Published by Elsevier B.V. on behalf of Chinese Chemical Society. All rights reserved.