Peptide derivatives
US6228841A · kind A · utility
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5Claims
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Key dates
| Filing date | Apr 28, 1998 |
| Grant date | May 8, 2001 |
| Priority date | — |
| Expiry date | Apr 28, 2018 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K38/00
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Compounds represented by the following general formula and salts thereof; Y-L-Tyr-Q-NR.sup.1 --CH(R.sup.2)--CO--X, wherein R.sup.1 represents hydrogen or C.sub.1-6 alkyl; R.sup.2 represents optionally substituted benzyl; Q represents D- or L-Arg; Y represents two hydrogen atoms of N-terminal amino group of L-Tyr, or one or two functional groups substituting for the hydrogen atoms, for example, a C.sub.1-6 alkyl optionally having amino or carboxy; and X represents N-methyl-.beta.-alanine and other. The compounds have analgesic effect and can be used for the treatment of cancer pain or the like.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.