2,6-diphenyl-4H-chalcogenopyran-4-ones and 2,6-diphenyl-4H- chalcogenopyran-4-thiones: A new catalyst for the Baylis-Hillman reaction

Article abstract of DOI:10.1016/S0040-4039(99)00585-7

2,6-Diphenyl-4H-chalcogenopyran-4-ones and 2,6-diphenyl-4H- chalcogenopyran-4-thiones, a new series of catalysts for the Baylis-Hillman reaction, were investigated. The reactions proceeded smoothly in the presence of 1 mol eq. of TiCl₄ under at