[5 attachment points per sugar and / anomer possibility at each attachment point]
Glycosidations: Background and Key Terminology
RO RO
OR O
RO OR1
5 O 1 OR1 RO
HOMe O
HO HOOH
fucose
Me OH
HO
O
HO
OH rhamnose
OH
HO HO
O H2NOH
glucosamine
OH O OH
HO OH xylose
Some of the more exotic, but frequently incorporated, sugars in natural products
O
H2N
OH
R
N
NH2 N
NN
HO
O
3 amino acids = 6 linear combinations (2 x 2 x 2) 3 nucleosides = 6 linear combinations (2 x 2 x 2)
O OH O P O-
O-
Carbohydrates: A Unique Store of Chemical Information
Glycosidation
Lecture Notes
Key Reviews:
K. C. Nicolaou, H. J. Mitchell, Angew. Chem. Int. Ed. 2001, 40, 1576. B. G. Davis, J. Chem. Soc., Perkin Trans. 1 2000, 2137. G.-J. Boons, Contemp. Org. Synth. 1996, 3, 173. G.-J. Boons, Tetrahedron 1996, 52, 1095.