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A chlorophyll-a derivative bonded directly with epoxide at the peripheral position of the chlorin π-system was reacted with N-urethane and C-ester protected amino acids bearing an alcoholic or phenolic hydroxy group as well as a carboxy group at the residue to give chlorophyll–amino acid conjugates. The carboxy residues of N,C-protected aspartic and glutamic acids were esterified with the epoxide...
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