Novel oxidative ring contraction of dihydroselenopyrans to selenophenes
Abstract
Oxidation of 3,6-dihydro-2H-selenopyrans with an electron-withdrawing group at the 2 position proceeded via an unprecedented ring-contraction to afford selenophenes.
Oxidation of 3,6-dihydro-2H-selenopyrans with an electron-withdrawing group at the 2 position proceeded via an unprecedented ring-contraction to afford selenophenes.
T. Kataoka, Y. Ohe, A. Umeda, T. Iwamura, M. Yoshimatsu and H. Shimizu, J. Chem. Soc., Chem. Commun., 1993, 577 DOI: 10.1039/C39930000577
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