FORMATION OF 1,3-OXATHIOLES AND 1,3-OXASELENOLES BY REACTIONS OF CARBONYL-STABILIZED SULFONIUM YLIDES WITH ELEMENTAL SULFUR AND SELENIUM

Article abstract of DOI:10.1016/S0040-4039(00)98962-7

Carbonyl-stabilized sulfonium ylides readily react with elemental sulfur and selenium to afford 1,3-oxathiole and 1,3-oxaselenole derivatives, respectively, in good yields, thus providing a simple method for constructing these ring systems which uses easi