Regioselectivity in the ring opening of epoxides: A metal-free cascade C-S/C-O bond formation approach to 1,3-oxathiolan-2-ylidenes through heteroannulation of α-enolic dithioesters at room temperature
One-pot straightforward approach to 2,3-disubstituted benzo/naphtho[b] furans via domino annulation of α-oxoketene dithioacetals and 1,4-benzo/naphthoquinone mediated by AlCl3 at room temperature
Solvent-free sonochemical one-pot three-component synthesis of 2H-indazolo[2,1-b]phthalazine-1,6,11-triones and 1H-pyrazolo[1,2-b]phthalazine- 5,10-diones
Authors: Girijesh K. Verma; Keshav Raghuvanshi; Rajiv K. Verma; Pratibha Dwivedi; M.S. Singh
An expedient route to highly functionalized 2H-chromene-2-thiones via ring annulation of β-oxodithioesters catalyzed by InCl3 under solvent-free conditions