Synthesis of N-Tosylglycono-1,4-lactone Hydrazones as Precursors of Glycofuranosylidene Carbenes

Article abstract of DOI:10.1002/hlca.19950780424

The N'-(glycofuranosylidene)toluene-4-sulfonohydrazides 5 and 10 (Scheme 1) were prepared in good yields by oxidation (1,3-dibromo-5,5-dimethylhydantoin/Et3N) of the N'-glycosyltoluene-4-sulfonohydrazides 4 and 9, which were obtained from 2,3,5-tri-O-benz