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Syntheses of α-ethynyl-3, 4-dihydroxyphenylalanine and α-vinyl-3, 4-dihydroxyphenylalanine

✍ Scribed by D. Taub; A.A. Patchett

Publisher: Elsevier Science
Year: 1977
Tongue: French
Weight: 169 KB
Volume: 18
Category: Article
ISSN: 0040-4039
DOI: 10.1016/s0040-4039(01)83061-6

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✦ Synopsis

Current interest in biologically active B,y-unsaturated a-amino acids' prompts us to report syntheses of a-ethynyl-3,4_dihydroxyphenylalanine 5 and a-vinyl-3,4_dihydroxyphenylalanine g -to our knowledge the first examples of a-substituted-a-amino acids bearing unsaturation attached to the quaternary a-carbon. These DOPA analogs are of interest as

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