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Communication | Regular issue | Vol 22, No. 2, 1984, pp.229-231
Published online, 1st January, 1970
DOI: 10.3987/R-1984-02-0229
The Recation of 4-Hydroxy-2H-1-benzopyran-2-ones with But-1,3-diene and But-3-en-2-ol

V. K. Ahluwalia,* Irani Mukherjee, and Rishi P. Singh

*Department of Chemistry, University of Delhi, Delhi-110 007, India


The reaction of 4-hydroxy-2H-1-benzopyran-2-ones with but-1,3-diene or with but-3-en-2-ol in presence of orthophosphoric acid afforded 3-(but-2’-enyl)-4-hydroxy-2H-1-benzopyran-2-ones. The structures of the compounds have been established spectroscopically.