A new methodology for the synthesis of protected phosphonamidate peptides from O-ethyl 1-azidoalkylphosphonic acids and amino acids esters was developed. The method is general and the corresponding N-Boc protected phosphonopeptides as well as their azido analogs have been obtained in good yields. An efficient preparation of O-ethyl 1-azidoalkylphosphonic acids is also presented. (C) 2001 Elsevier Science Ltd. All rights reserved.
YU Yuna LIN LiRongb YOU Junb HUANG RongBinb ZHENG LanSunb c a Department of Chemistry Longyan College Longyan Fujian China b Department of Chemistry Xiamen University Xiamen China c State Key Laboratory for Physical Chemistry of Solid Surfaces Xiamen University Xiamen China
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YU Yuna LIN LiRongb YOU Junb HUANG RongBinb ZHENG LanSunb c a Department of Chemistry Longyan College Longyan Fujian China b Department of Chemistry Xiamen University Xiamen China c State Key Laboratory for Physical Chemistry of Solid Surfaces Xiamen University Xiamen China