𝔖 Bobbio Scriptorium
✦   LIBER   ✦

The behaviour of d-fructose and inulin towards anhydrous hydrogen fluoride

✍ Scribed by Jacques Defaye; Andrée Gadelle; Christian Pedersen

Publisher
Elsevier Science
Year
1985
Tongue
English
Weight
950 KB
Volume
136
Category
Article
ISSN
0008-6215

No coin nor oath required. For personal study only.

✦ Synopsis

Inulin and D-fructose are quantitatively converted into a mixture of Mructose dianhydrides on treatment with anhydrous hydrogen fluoride. Of the six dianhyd~des isolated, five are known compounds, whereas one, P_Mructofuranose @-r>-fructopyranose 2,1':3,2'-dianhydride, has not been described hitherto. The structures of two of the known dianhydrides have been revised. The relative amounts of dianhydrides obtained depend on the reaction conditions. The reaction of D-fructose with hydrogen fluoride is shown, using 13C-n.m.r. spectroscopy, to involve ~-~u~tofuranosyl fluoride as a probable intermediate. Dianhydrides are also formed when D-fructose is treated with methanol and sulfuric acid under Fischer glycosidation conditions or with trifluoroacetic acid.

📜 SIMILAR VOLUMES

The analysis of anhydrous hydrogen fluor
The analysis of anhydrous hydrogen fluoride
✍ Cook, C. D. ;Findlater, F. G. 📂 Article 📅 1947 🏛 Wiley (John Wiley & Sons) ⚖ 466 KB

procedure is d scribed for 6 e analysis of anhydrous hydrogen fluoride containinJ the following impurities ; sulphur dioxide, hydrogen sulphide, sulphuric acid, fluorosihc acid and water. The use of glacial acetic acid as a diluent for the anhydrous acid slmplrfies both the technique and the apparag

Fluorination of organic compounds with a
Fluorination of organic compounds with anhydrous hydrogen fluoride. Part I. The preparation of fluoroform and certain derivatives
✍ Whalley, W. B. 📂 Article 📅 1947 🏛 Wiley (John Wiley & Sons) ⚖ 489 KB

## Abstract The method of fluorination using antimony pentachloride and anhydrous hydrogen fluoride^1^ has, by a simple modification, been extended to allow the almost quantitative conversion of the ‐C,Cl~3~ radical to ‐CF~3~, in chloroform, carbon tetrachloride, as‐tetrachloroethane, and methyl ch