The effect of sulfur and selenium substitutents on the regiochemistry of diels-alder reactions

CL Liotta, JW Verbicky

Index: Liotta, Charles L.; Verbicky, John W. Tetrahedron Letters, 1985 , vol. 26, # 11 p. 1395 - 1398

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Citation Number: 16

Abstract

Abstract 2-Phenylthio-1, 3-butadiene (1) and 2-phenylseleno-1, 3-butadiene (2) have been generated in situ from their SO 2 adducts and reacted with a series of unsymmetrical dienophiles. The regiochemical results have been analyzed in terms of qualitative perturbation theory.