Oxidative Se‐catalyzed C(sp3)H bond acyloxylation has been used to construct a diverse array of isobenzofuranones from simple ortho‐allyl benzoic acid derivatives. The synthetic procedure employs mild reaction conditions and gives high chemoselectivity enabled by an inexpensive organodiselane catalyst. The presented approach offers a new synthetic pathway toward the core structures of phthalide natural
4-chloropicolinamide is described. The desired compounds were formed by reactions of methyl 4-chloropicolinohydrazonamide or 4-chloro-N'-methylpicolinohydrazonamide with suitable counter partners (carbon disulfide, alkyl halides, aldehydes, ketones, carbohydrazonamides or isothiocyanates) or via 4-chloropicolinimidate, obtained by a convenient method from nitrile with catalytic amount of DBU. Selected products were screened for bacteriostatic and tuberculostatic activity. Synthesis of 4-chloropicolinamidrazone derivatives starting from