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An Improved method for the preparation of 2-aryl-, 2-hetaryl- and 2-styrylbenzothiazoles

✍ Scribed by T.G. Deligeorgiev


Publisher
Elsevier Science
Year
1990
Tongue
English
Weight
314 KB
Volume
12
Category
Article
ISSN
0143-7208

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An improved method for the preparation o
✍ HansjΓΆrg Eibl πŸ“‚ Article πŸ“… 1981 πŸ› Elsevier Science 🌐 English βš– 258 KB

A simple and fast route for the preparation of 1,2-isopropylidene-sn-glycerol from Dmannitol in 45% yield is described. The value of optical rotation, [a] ~ + 15.2 Β°, is higher than usual indicating considerable racemization for other procedures, Since 1,2-isopropylidene-sn-glycerol serves as genera