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The methyl ester as a protective group: synthesis of aminocyclitols

✍ Scribed by Karsten Schürrle; Barbara Beier; Oleg Werbitzky; Wolfgang Piepersberg


Publisher
Elsevier Science
Year
1991
Tongue
English
Weight
347 KB
Volume
212
Category
Article
ISSN
0008-6215

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The Dimethylmaleoyl Group as Amino Prote
✍ Mohamed R. E. Aly; Julio C. Castro-Palomino; El-Sayed I. Ibrahim; El-Sayed H. El 📂 Article 📅 1998 🏛 John Wiley and Sons 🌐 English ⚖ 388 KB 👁 1 views

Glucosamine was readily transformed into N-di-glycosyl donors β(1-4)and β(1-3)-linked disaccharides 13 and 15a-c, respectively. From 18 as galactosyl donor and 14a methylmaleoyl (DMM) protected derivative 1 which furnished trichloroacetimidate 4 as glycosyl donor. Reaction as acceptor β(1-3)-linked