Pyrrolo(2,3-d)carbazole derivatives, compositions and use
US4362739A · kind A · utility
9Cited by
1References
19Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 4, 1981 |
| Grant date | Dec 7, 1982 |
| Priority date | — |
| Expiry date | May 4, 2001 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D487/10
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
This invention relates to alkyl pyrrolo(2,3-d) carbazole-6-carboxylates having antianoxic, psychotropic and hemodynamic properties and to addition salts thereof; and to preparation of the same by a synthesis sequence starting from a tryptamine and a 3-halopyruvate and involving a rearrangement of an addition compound with an aldehyde, said rearrangement being effected by Nb-alkylation of the aforementioned addition compound; and to pharmaceutical compositions containing the same; and to tetrahydroazepinoindoles used in the preparation of the same.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.