ChemInform Abstract: STEREOCONTROLLED ROUTES TO CIS HYDROXYAMINO SUGARS. PART VIII. A SYNTHESIS OF METHYL 4,6-DIDEOXY-3-C-METHYL-4-(N-METHYLACETAMIDO)-α-D-ALTROPYRANOSIDE (METHYL N-ACETYL-3-EPI-SIBIROSAMINIDE), THE 3-EPIMER OF (METHYL N-ACETYLSIBIROSAMINIDE)