## Abstract ChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 100 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a “Full Text” option. The original article is trackable v
Boron trifluoride etherate-induced glycosidation: formation of alkyl glycosides and thioglycosides of 2-deoxy-2-phthalimidoglycopyranoses
✍ Scribed by Jan Dahmén; Torbjörn Frejd; Göran Magnusson; Ghazi Noori
- Publisher
- Elsevier Science
- Year
- 1983
- Tongue
- English
- Weight
- 189 KB
- Volume
- 114
- Category
- Article
- ISSN
- 0008-6215
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## N-iodosuccinimide (ND) in the presence of an organic acid was found to be effective for the activation of fully acylated thioglycosides leading to J&trans linked esters. On the other hand, NIS together with a catalytic amount of tri#luoromethanesu&onic acid proved to be very convenient for the ra
Tosylamino)alkyl]naphthalenols have efficiently been synthesized by nucleophilic addition of naphthalen-2-ol with N-tosyl imines (derived from both aromatic and aliphatic aldehydes) in the presence of BF 3 • OEt 2 as a catalyst at room temperature. The products are formed within 5 -9 h in high yield
## Dissolution of 2-acetamido-2-deoxy-D-glucose (1) or -D-galactose (2) in anhydrous hydrogen fluoride, followed by addition of methanol, gave stereospecifitally the corresponding methyl J?-D-glycopyranosides 7 and 8. When solutions of 1 or 2 in hydrogen fluoride were slowly evaporated, mixtures o