Rhamnopyranosides Rhamnopyranosyl

Four independent conformations were found in the asymmetric unit cell (see Fig. 3), but their superposition showed that all shared the same global shape (see Fig. 4), albeit with slightly different conformations for the externally placed L-rhamnopyranosyl-(1 3)-(9-a-L-rhamnopyranoside moiety. The internal trisaccharide subunit, L-rhamnopyranosyl-(l 2)-(9-)S-D-glucopyranosyl-(1 2)-0-/l-D-... 

Benzyl 4-0-benzoyl-3-0-benzyl-2-0-(2,3,4-tri-0-acetyl-a-D-rhamnopyranosyl)-a-L-rhamnopyranoside 13... 

L-rhamnopyranosyl bromide condensed with 2,3, 1,6-tetra-O-acetyl-D-glucose gave access to the D-glucopyranosyl L-rhamnopyranosides. 

Methyl 2,6-di-0-benzoyl-3-0-methyl-p-D-mannopyranoside, M-205 Methyl 3,5-di-0-benzoyl-2-0-methyl-p-D-ribofuranoside, M-208 Methyl 4,6-di-O-benzoyl-2-0-methyl-3-O-tosyl-a-D-altropyranoside, M-149 Methyl 3,5-di-0-benzoyl-p-D-tAreo-pentofuranosid-2-ulose, P-45 Methyl 2,3-di-O-benzoyl-a-L-rhamnopyranoside, M-207 Methyl 2,4-di-O-benzoyl-a-L-rhamnopyranoside, M-207 Methyl 3,5-di-O-benzoyl-p-D-ribofuranoside, M-208 Methyl 2,3-di-O-benzoyl-l-thio-p-L-fucopyranoside, T-63 Methyl 2,3-di-O-benzoyl-l-thio-a-L-rhamnopyranoside, T-86 Methyl 2,3-di-0-benzoyl-5-0-tosyl-a-L-arabinofuranoside, M-152 Methyl 3,5-di-0-benzoyl-2-0-tosyl-p-D-lyxofuranoside, M-201 Methyl 2,3-di-0-benzoyl-4-0-tosyl-a-L-rhamnopyranoside, M-207 Methyl 2,4-di-0-benzoyl-3-0-(2,3,4-tri-0-acetyl-a-L-rhamnopyranosyl)-a-D-xylopyranoside, R-77... 

Methyl 2-0-p-L-rhamnopyranosyl-p-D-galactopyranoside, R-29 Methyl 3-0-p-L-rhamnopyranosyl-p-D-galactopyranoside, R-30 Methyl 4-0-a-L-rhamnopyranosyl-a-D-glucopyranosiduronic acid, R-46 Methyl 3-0-(a-L-rhamnopyranosyl)-2-0-methyl-a-L-rhamnopyranoside, R-72... 

Benzyl 5-0-benzyl-2,3-di-O-metbyl-a-L-rliamnofiiranoside, B-20 Benzyl 2,3-0-exo-benzylidene-a-L-rbamnopyranoside, B-20 Benzyl 2,3-0-eMi/o-benzylidene-a-L-rbamnopyranoside, B-20 Benzyl 5-0-benzyl-2,3-(7-isopropylidene-a-L-rbamnofuranoside, B-20 Benzyl 4-0-benzyl-2,3-0-isopropylidene-a-L-rbamnopyranoside, B-20 Benzyl 4-0-benzyl-2,3-0-isopropylidene-p-L-rbamnopyranoside, B-20 Benzyl 5-0-benzyl-a-L-rhamnofnranoside, B-20 Benzyl 4-6>-benzyl-p-L-rhamnopyranoside 2,3-carbonate, B-20 Benzyl 2-0-benzyl-a-L-rhamnopyranoside, B-20 Benzyl 3-0-benzyl-a-L-rhamnopyranoside, B-20 Benzyl 4-0-benzyl-a-L-rhamnopyranoside, B-20 Benzyl 4-0-benzyl-p-L-rhamnopyranoside, B-20 Benzyl 2,4-di-O-benzyl-a-D-rhamnopyranoside, B-20 Benzyl 3,4-di-O-benzyl-a-D-rhamnopyranoside, B-20 Benzyl 2,4-di-O-benzyl-a-L-rhamnopyranoside, B-20 Benzyl 3,4-di-O-benzyl-a-L-rhamnopyranoside, B-20 Benzyl 2,3-0-isopropylidene-4-0-mesyl-a-L-rliamnopyranoside, B-20 Benzyl 2,3-0-isopropylidene-a-L-rhamnopyranoside, B-20 Benzyl rhamnoside a-L-Pyranose-/< rm, B-20 Benzyl 2,3,4-tri-O-acetyl-a-L-rhamnopyranoside, B-20 6-Deoxy-3,4-di-0-methyl-L-mannose, 9CI, SCI, R-79 6-Deoxy-2,3-di-0-methyl-L-mannose, 9CI, R-79 6-Deoxy-2,4-di- 0 -methyl-L-mannose, R-79 6-Deoxymannonic acid L-form, D-286 6-Deoxy-D-mannono-l, 4-lactone, D-286 6-Deoxy-2-0-methyl-L-mannose, 8CI, R-79 6-Deoxy-3-0-methyl-L-mannose, 9CI, R-79 6-Deoxy-3-C-methylmannose D-form, D-308 6-Deoxy-4-0-methyl-L-mannose, R-79 6-Deoxy-5-0-methyl-L-mannose, R-79 6-Deoxy-2-0-a-L-rhamnopyranosyl-L-talose, D-355 6-Deoxy-2,3,4-tri-0-methyl-L-mannose, 9CI, R-79... 

Ethyl 2-0-benzoyl-1-thio-a-L-rhamnopyranoside, T-86 Ethyl 4-O-benzoyl-l-thio-a-L-rhamnopyranoside, T-86 Ethyl 4-0-benzyi-2-0-methyl-l-thio-a-D-rhamnopyranoside, T-86 Ethyl 4-O-benzyl-l-thio-a-D-rhamnopyranoside, T-86 Ethyl 2,4-di-O-benzoyl-l-thio-a-L-rhamnopyranoside, T-86 Ethyl 2,3-O-isopropylidene-l-thio-a-D-rhamnopyranoside, T-86 Ethyl rhamnoside a-L-Furanose-/orm, E-27 Ethyl I-thicHX-L-rhamnopyranoside, T-86 Ethyl I-thio-p-L-rhamnopyranoside, T-86 Ethyl 2,3,4-tri-O-acetyl-l-thio-a-L-rhamnopyranoside, T-86 Ethyl 2,3,4-tri-0-acetyl-l-thio-(3-L-rhamnopyranoside, T-86 a-D-Fucopyranosyl-(l ->2)-a-L-rhamnopyranosyl-(l ->3)-i>mannose, F-159... 

Melibionic acid, M-132 Methyl octa-O-methyhnaltobionate, G-324 Methyl octa-O-methyhnelibionate, M-132 p-D-Psicofuranosyl a-D-allopyranoside, P-104 a-L-Rhamnopyranosyl a-L-rhamnopyranoside, R-13 p-D-Ribofuranosyl a-D-ribofuranoside, R-99 p-D-Ribofuranosyl p-D-ribofuranoside, R-lOO p-D-Ribopyranosyl a-D-ribopyranoside, R-133 Sarcobiose, S-14 Sucralose, S-91... 

In the L-rhamnose set, methyl 2-O-a-L-rhamnopyranosyl-a-L-rhamnopyranosides and the D-mannosyl rhamnoside analogue have been reported, as has the unusual glycopeptide 63 which is a part of the glycolipid of Mycobacterium fortuitum ... 

Isolation from Natural Sources.- The very bitter tasting constituents of certain stone-fruit have been shown to be l,6,2, 6 -tetra- and l,6,2, 4, 6 -penta-0-acetyl-3-0-coumaroyl-sucrose. Six derivatives of octyl 4-0-acetyl-a-a-L-rhamnopyranosyl-(l->3)-2,4-di-( -acetyl-a-L-rhamnopyranosyl-(l->3)-4-0-hexanoyl-a-L-rhamnopyranoside, extracted from the bark of Mezettia leptopoda, have been characterized by n.m.r. and m.s. methods. ... 

The preparation of methyl jS-L-rhamnopyranoside and the synthesis of (I -> 2)-linked disaccharides containing non-reducing residues of 6-deoxy-D-glucopyranoseand of 3-0-a-L-rhamnopyranosyl-D-glucose have been noted in Chapter 3. 

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