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Regio- and stereoselective 1,3-dipolar cycloaddition of arylnitrile oxides to 5-acetoxy-2(5H)-furanone

✍ Scribed by Peter Oravec; Ľubor Fišera; Roman Gažo

Publisher
Springer Vienna
Year
1991
Tongue
English
Weight
387 KB
Volume
122
Category
Article
ISSN
0026-9247

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## Abstract Benzonitrile oxide cycloadds to the CC bond of substituted 4,5‐dihydro‐3‐methylene‐2(3__H__)‐furanones 1a–1g. Thus, (__E__)‐1a and (__E__)‐1b are converted into the corresponding isoxazolinespirodihydrofuranones (4__RS__,5__RS__)‐2a and (4__RS__,5__RS__)‐2b, and (__E__)‐1c is converted