| 摘要 |
<p>An isodipeptide of the following formula (1) which is a useful synthetic unit for the effective synthetic method for a polypeptide and the like:
wherein A is N-protected amino acid residue, R a is amino protective group, X a is carboxyl group, hydrogen atom, alkyl group, aralkyl group, aryl group or heteroaryl group, Y a is carboxyl group, hydrogen atom or alkyl group, Z is hydrogen atom or alkyl group, and n is an integer of 0-3, provided that either one of X a and Y a is carboxyl group.</p> |
