Tetra-0-benzyl-a-D-glucopyranosyl bromide in dichloromethane reacts stereospecifically with solutions of phenols in aqueous sodium or potassium hydroxide, in the presence of phase transfer catalysts, to give good yields of tetra-O-benzyl aryl-8-D-glucopyranosides which are converted into the corresp
✦ LIBER ✦
Phase-transfer-catalyzed d-glucosylation: Synthesis of benzoylated aryl β-d-glucopyranosides and β-d-glucopyranosyl-substituted cinnamates
✍ Scribed by Duraikkannu Loganathan; Girish K. Trivedi
- Book ID
- 107725643
- Publisher
- Elsevier Science
- Year
- 1987
- Tongue
- English
- Weight
- 568 KB
- Volume
- 162
- Category
- Article
- ISSN
- 0008-6215
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Trehalase was previously shown (see ref. 5) to hydrolyze alpha-D-glucosyl fluoride, forming beta-D-glucose, and to synthesize alpha, alpha-trehalose from beta-D-glucosyl fluoride plus alpha-D-glucose. Present observations further define the enzyme's separate cosubstrate requirements in utilizing the