Ally1 4-0-(4-O-acetyl-2-O-benzoyl-3,6-di-O-benzyl-~-D-galactopyranosyl)-2-0-benzoyl-3,6-di-O-benzyl-a-D-galactopyranoside was 0-deallylated to give the 1-hydroxy derivative, and this was converted into the corresponding l-O-(Nphenylcarbamoyl) derivative, treatment of which with dry HCl produced the
13C-N.m.r. studies of peracetylated derivatives of O-α- and O-β-d-galactopyranosyl-(1→3)- and -(1→4)-α-d-galactopyranose
✍ Scribed by Maria Luisa Jimeno; Alfonso Fernandez-Mayoralas; Manuel Martin-Lomas; Antonio Alemany
- Publisher
- Elsevier Science
- Year
- 1987
- Tongue
- English
- Weight
- 501 KB
- Volume
- 161
- Category
- Article
- ISSN
- 0008-6215
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📜 SIMILAR VOLUMES
Sequential tritylation, benzoylation, and detritylation of methyl 3-deoxy-3fluoro-AD-galactop~~oside gave crystalline methyl 2,4-di-O-benzoyl-3-deoxy-3-~uoro-ED-gala~opyr~oside (9), which was used as the initial nucleophile in the synthesis of the target otigosaccha~de (16). Treatment of 9 with 2,3,
Halide-assisted glycosyIation, using a non-p~icipating Z-substituent (benzyl) in the glycosyl halide, was used to obtain the ~-D-gaiactosyl linkage and silver triflate promotion with a participating 2-substituent (benzoyl) was used to obtain the /3-D-galactosyl linkage in a facile synthesis of the t
Recent years have seen a remarkable surge of interest in the study of U-Lfucosyltransferases. Of these L-fucosyltransferases, the enzyme (143)~a+fucosyltransferase has attracted a great deal of clinical interest as a potential tumor marker. This enzyme catalyzes the transfer of an L-fucosyl group f