Syntheses of α-ethynyl-3, 4-dihydroxyphe
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D. Taub; A.A. Patchett
📂
Article
📅
1977
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Elsevier Science
🌐
French
⚖ 169 KB
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 quaterna