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Synthetic utility of azetidine-2,3-diones: a new approach to 3-hydroxyethylβ-lactams and α-aminoacid derivatives

✍ Scribed by Fernando P. Cossío; Concepción López; Mikel Oiarbide; Claudio Palomo; Domitila Aparicio; Gloria Rubiales


Publisher
Elsevier Science
Year
1988
Tongue
French
Weight
305 KB
Volume
29
Category
Article
ISSN
0040-4039

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An easy synthesis of methyl 4-(2,3:5,6-d
✍ F.J. Lopez Herrera; C. Uraga Baelo 📂 Article 📅 1985 🏛 Elsevier Science 🌐 English ⚖ 607 KB

The reaction of 2,3:5,6-di-0-isopropylidene-cu-D-mannofuranose with (3methoxycarbonyl-2-oxopropylidene)triphenylphosphorane, catalysed by benzoic acid in dry benzene, gives methyl 4-(2,3:5,6-di-O-isopropylidene-cr-and -@-mannofuranosyl)-3-oxobutanoate in good yield. These compounds are easily transf