N-Acylpeptide compound, processes for the preparation thereof and the pharmaceutical compositions
US4436726A · kind A · utility
2Cited by
3References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 9, 1981 |
| Grant date | Mar 13, 1984 |
| Priority date | — |
| Expiry date | Dec 9, 2001 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K38/00
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
This invention relates to new N-acylpeptide compounds of immunological activity, said compounds being of the formula: ##EQU1## wherein R.sup.1 and R.sup.2 are each alkyl or alkenyl; PA1 R.sup.3 is hydrogen, lower alkyl, hydroxy(lower)alkyl, heterocyclic(lower)alkyl or ar(lower)alkyl, wherein the aryl moiety may have hydroxy or protected hydroxy; PA1 R.sup.4 is carboxy, esterified carboxy, carboxy(lower)alkyl or esterified carboxy(lower)alkyl; PA1 X is bond or lower alkylene; PA1 Y is lower alkylene or lower alkylidene; and PA1 n is an integer of 0 to 1; or its pharmaceutically acceptable salt.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.