Tartaric Acid Amides by the Gabriel Rout
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Susana Villa Gonzalez; Per Carlsen
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Article
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2007
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John Wiley and Sons
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English
β 151 KB
## Abstract Optically active (3__R__,4__R__)β3,4βdiacetoxypyrrolidineβ2,5βdione was prepared from Lβtartaric acid by ring closure of the ammonium salt of (2__R__,3__R__)β2,3βdiacetoxyβ3βcarbamoylpropanoic acid with thionyl chloride. Mechanistic considerations indicate that the ring closure proceeds