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Preparation of heterocycle-masked beta-enamino acids
A R Katritzky1, A Donkor, Y Fang
1Center for Heterocyclic Compounds, Department of Chemistry, University of Florida, P.O. Box 117200, Gainesville, FL 32611-7200, USA. katritzky@chem.ufl.edu
The Journal of Organic Chemistry
|May 26, 2001
Abstract:
The preparation of masked N-substituted beta-enamino acid derivatives 3a-n by reaction of 2-alkyl-oxa(thia)zolines 2a,b with imidoylbenzotriazoles 1a-g in the presence of LDA was described.