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Propane Phosphonic Acid Anhydride: A Mild Reagent for β-Lactam Synthesis

✍ Scribed by Crichfield, K. S.; Hart, J. E.; Lampert, J. T.; Vaid, R. K.

Book ID
118059522
Publisher
Taylor and Francis Group
Year
2000
Tongue
English
Weight
261 KB
Volume
30
Category
Article
ISSN
0039-7911

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DMF-dimethyl sulfate as a new reagent fo
DMF-dimethyl sulfate as a new reagent for the synthesis of β-lactams
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A number of 2-azetidinones were synthesized in good to excellent yields by a novel reaction between Schiff bases, substituted acetic acids and alkoxymethylene-N,N-dimethyliminium salts, the adduct formed from DMF and O-alkylating agents. The advantages of this new method are mild reaction conditions