| 摘要 |
<p>1407744 Peptides PARKE DAVIS & CO 8 Feb 1973 [25 May 1972] 9477/75 Divided out of 1407742 Heading C3H [Also in Division C2] The invention comprises peptides of the formula and acid addition salts thereof, and N-protected derivatives thereof, where R 2 is NO 2 Arg, Leu- NO 2 Arg, Gly-Leu-No 2 Arg and the protecting group of the N-protected derivatives is benzyloxycarbonyl, benzhydryloxycarbonyl, tert.-butoxycarbonyl, cyano-tert.-butoxycarbonyl or 9- fluorenylmethoxycarbonyl, and their preparation by standard methods. L-prolylglycinamide is obtained by the hydrogenolysis of N-benzyloxycarbonyl-L-prolylglycinamide.</p> |
