| 摘要 |
A peptide of the formula I is prepared by reacting two compounds which, in a complementary manner, give the desired peptide chain. The symbols in Formula I have the meaning given in Patent Claim 1. The compounds of the formula I exhibit interesting physiological properties, in particular an activity as morphine antagonists. R-(X<2>)n-X<3>-X<4>-X<5>-X<6>-X<7>-(X<8>)p-(X<9>) q-R<1> (I) |
