4(2-indolyl)2-amino-pentanedioic acids and cholecyostokinin use thereof
US5064853A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Feb 12, 1990 |
| Grant date | Nov 12, 1991 |
| Priority date | — |
| Expiry date | Feb 12, 2010 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C2603/32
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
All possible isomeric forms and mixtures thereof of compounds of the formula ##STR1## wherein R.sub.1 is selected from the group consisting of indolyl, pyridyl, piperidinyl, quinolyl, thiazolyl and aryl of 6 to 14 carbon atoms and aralkyl of 7 to 18 carbon atoms with the latter two being unsubstituted or substituted with at least one member of the group consisting of halogen, alkyl and alkoxy of 1 to 8 carbon atoms, dialkylamino with alkyls of 1 to 8 carbon atoms, --CF.sub.3, --CN and --NO.sub.2, R.sub.2 is selected from the group consisting of ##STR2## Ar' are selected from the group consisting of pyridyl, indolyl, thiazolyl and aryl of 6 to 14 carbon atoms with the latter and the phenyl ring of b) being substituted or substrituted with at least one member of the group consisting of halogen, alkyl and alkoxy of 1 to 8 carbon atoms, dialkylamino with alkyls of 1 to 8 carbon atoms, --CF.sub.3, --CN and --NO.sub.2 and R.sub.3 is hydrogen or R.sub.2 and R.sub.3 together with the nitrogen to which they are attached form a 5 to 7 member hydrocarbyl ring optionally containing an oxygen or a second nitrogen unsubstituted or substituted with at least one member of the group consisting of a…
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