glycosylation of 1,2:5,6-di-o-idopropylidene-alpha-d-galactofuranose with 2,3-di-o-acetyl-4-o- ( 2,3,4,6-tetra-o-acetyl-beta-d-mannopyranosyl ) -alpha-l-rhamn opyranosyl bromide , followed by removal of the protecting groups , gave o-beta-d-mannopyranosyl- ( 1 leads to 4 ) -o-alpha-l-rhamnopyranosyl- ( 1 leads to 3 ) -d-galactose , which is the trisaccharide repeating-unit of the o-specific polysaccharide chain of the lipopolysaccharide from salmonella anatum .
C0069180
o-specific
C0023810
lipopolysaccharide