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Stereoselective preparation of (5E)- and (5Z)-5-benzylidene-3-methyl-3-pyrrolin-2-ones. Application to the synthesis of ampullicine and isoampullicine

โœ Scribed by Rosario Rico; Francisco Bermejo


Publisher
Elsevier Science
Year
1996
Tongue
French
Weight
247 KB
Volume
37
Category
Article
ISSN
0040-4039

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Stereoselective Amination of 5-Substitut
โœ Marko S'kof; Jurฤณ Svete; Matej Kmetiฤ; Simona Goliฤ-Grdadolnik; Branko Stanovnik ๐Ÿ“‚ Article ๐Ÿ“… 1999 ๐Ÿ› John Wiley and Sons ๐ŸŒ English โš– 249 KB ๐Ÿ‘ 1 views

5-Substituted (S)-tetrahydrofuran-2-ones (1a,b) and (S)-catalytic hydrogenation, into the corresponding 5-substituted (3S,5S)-3-acetylaminotetrahydrofuran-2-ones (4a,b) and pyrrolidin-2-ones (1c,d) were transformed in three steps, by treatment with tert-butoxybis(dimethylamino)methane (Bre-(3S,5S)-3