Peptide, process for preparation thereof and use thereof
US4725582A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | May 13, 1982 |
| Grant date | Feb 16, 1988 |
| Priority date | — |
| Expiry date | May 13, 2002 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P20/55
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The invention concerns peptides, having the pharmaceutical property of enhancing the immune response, having the structure: ##STR1## wherein R.sup.1 is alkanoyl, PA0 R.sub.b.sup.1 is hydrogen, methyl, isopropyl, hydroxymethyl, protected hydroxymethyl or benzyl, PA0 R.sup.2 is hydrogen, carboxy, protected carboxy or a group of the formula: ##STR2## wherein R.sub.a.sup.2 is mono- or di-carboxy (or protected carboxy) lower alkyl or ar(carboxy or protected carboxy) lower alkyl whose aryl moiety is substituted by hydroxy or not substituted, PA1 R.sub.b.sup.2 is hydrogen or lower alkyl, PA0 R.sup.p is hydrogen, carboxy or protected carboxy, PA0 R.sup.q is carboxy, protected carboxy or a group of the formula ##STR3## wherein R.sub.a.sup.2 and R.sub.b.sup.2 are each as defined above, R.sup.r is hydrogen or amino protective group, PA0 m is an integer 1 to 3, and PA0 n is an integer 1.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.