Synthesis and Characterization of New 3″,5″-DIARYL-3″H-Dispiropyran/Thiopyran[4,2′-Chroman-3′,2″-[1,3,4-Thiadiazol]-4′-One Derivatives and Related Compounds as Anticancer and Antiviral Agents

A series of 3″,5″-diaryl-3″H-dispiropyran/thiopyran[4,2′-chroman-3′,2″-[1,3,4-thiadiazol]-4′-ones 5a-n were synthesized from the reaction of trispiro[tetrahydropyran(tetrahydrothiopyran)-4,5′-2H-ch...