Hafnium(IV) triflate as a highly efficient catalyst for Ferrier rearrangement of O- and S-nucleophiles with glycals
Keywords: بازجذب Ferrier; Hafnium(IV) triflate; 3,4,6-Tri-O-acetyl-d-glucal; Hexa-O-acetyl-d-lactal; Ferrier rearrangement; 2,3-Unsaturated glycosides;