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Communication | Regular issue | Vol 24, No. 6, 1986, pp.1561-1564
Published online, 1st January, 1970
DOI: 10.3987/R-1986-06-1561
Synthesis of N-Carboxydehydrotyrosine Anhydride and Its Transformation to Useful Dehydrotyrosine Derivatives

Chung-gi Shin,* Yasuchika Yonezawa, and Takumi Obara

*Departmnet of Applied Chemistry, Faculty of Engineering, Kanagawa University, 3-27-1 Rokkakubashi, Kanagawa-ku, Yokohama 221-8686, Japan


N-Carboxydehydrotyrosine anhydride (ΔTyr·NCA) was first synthesized from p-methoxymethoxybenzaldehyde and 2-azidoacetate via N-benzyloxycarbonyl-O-methoxymethoxydehydrotyrosin by five steps. The facile stepwise protections of δTyr·NCA gave many useful dehydrotyrosine derivatives.