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Synthesis of N-(L-β-aspartyl)-D-glucosamine, methyl N-(O-methyl-L-β-aspartyl)-α-D-glucosaminide, and their derivatives

✍ Scribed by E. D. Kaverzneva; M. I. Konovalova


Book ID
112420389
Publisher
Springer
Year
1963
Tongue
English
Weight
375 KB
Volume
12
Category
Article
ISSN
1573-9171

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✍ Frederick C. Baines; Peter M. Collins; Farnoosh Farnia 📂 Article 📅 1985 🏛 Elsevier Science 🌐 English ⚖ 683 KB

The title branched-trisaccharide derivatives (9 and 13) have been synthesised from methyl 2,3-O-(2-nitrobenzylidene)-a-L-rhamnopyranoside (2) using the 2nitrobenzylidene residue as a temporary blocking-group. Condensation of 2 with methyl (2,3,4-tri-O-acetyl-a-D-glucopyranosyl bromide)uronate afford