摘要:
[GRAPHICS]Under basic conditions, phenyl 1,2-dithio-alpha-D-mannopyranoside farms a glycal-1,2-episulfide, which undergoes controlled oligomerization to afford a family of thio-oligo-alpha-D-mannopyranosides in a single reaction. The episulfide can also be intercepted by added thiolates, which leads to other sorts of thioglycosides. These alpha-(1-->2)- linked thio-mannopyranosides might have application as mimics of natural structures such as viral high mannose glycoproteins or ManLAM.