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Stereochemical studies on the 1,3-dipolar cycloaddition of 3,4,5,6-tetrahydropyridine 1-oxide to 2(5H)-furanones

✍ Scribed by Pau Cid; Pedro de March; Marta Figueredo; Josep Font; Sergio Milán

Publisher
Elsevier Science
Year
1992
Tongue
French
Weight
285 KB
Volume
33
Category
Article
ISSN
0040-4039

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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