| abstract |
(57) [Problem] To provide a peptide mimetic template. SOLUTION: The compound represented by the following general formula (I) or a base addition salt or an acid addition salt thereof. Embedded image [Wherein, Ar is an aryl group; R 1 and R 2 are H, an amino-protecting group; R 3 is a hydrogen atom or a lower alkyl group; R 4 is an amine residue, a group having the formula —O—R 7 (wherein R 4 is 7 is H, an ester residue); R 5 is a hydrogen atom; 4: R 6 is hydroxy when the broken line is a single bond, and R 6 is an oxygen atom when the broken line is a double bond. ] |