1IntroductionPreparation of rare aminosugars such as N-acetylgalactosamine (GalNAc) in large quantities is of importance for the chemo-enzymatic synthesis of ol
1IntroductionOrganic synthesis is a powerful discipline, which forms the basis for numerous other areas of research in chemistry and chemical biology. Organic c
1IntroductionSulfonyl hydrazide and sulfonyl semicarbazide derivatives exhibit variety of bactriostatic activity and also are important compounds as blowing age