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Abstract
The 4-Selenanols (2,3) and 4-selenanones (4) were obtained by the reaction of 1,4-pentadien-3-ones (1) with sodium hydrogen selenide under different conditions. The fused 1,2,3-selenadiazoles (6) and 1,2,3-thiadiazoles (7) were prepared from 4 on oxidative cyclization with SeO2 and Hurd–Mori reaction with SOCl2.
ACKNOWLEDGMENT
We acknowledge the University Grants Commission, New Delhi for providing Major Research Project to Prof. D. B. R. and V. P and Dr. Reddy's Research Foundation, Hyderabad for running NMR and Mass spectra.