Novel intermediates for the preparation of 7-hydroxy-indoles
US4736034A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Mar 23, 1987 |
| Grant date | Apr 5, 1988 |
| Priority date | — |
| Expiry date | Mar 23, 2007 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D211/26
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A compound selected from the group consisting of a compound of the formulae ##STR1## wherein R.sub.1 ' is selected from the group consisting of alkoxy of 1 to 5 carbon atoms, phenoxy and phenylalkoxy of 7 to 9 carbon atoms, R' is selected from the group consisting of alkyl of 1 to 5 carbon atoms, cycloalkylalkyl of 4 to 7 carbon atoms and phenyl alkyl of 7 to 12 carbon atoms optionally substituted with one or more members of the group consisting of alkyl of 1 to 5 carbon atoms, alkoxy of 1 to 5 carbon atoms, halogen and alkenyl of 3 to 5 carbon atoms and alkynyl of 3 to 5 carbon atoms with the proviso that the multiple bond is not between the carbons .alpha.- and .beta. to the nitrogen atom and B is a reversible secondary amine blocking group and their haloamines.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.