Process for the preparation of 5-alkyl-10-amino-dihydrodibenzoazepines
US4024127A · kind A · utility
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11Claims
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Key dates
| Filing date | Sep 11, 1973 |
| Grant date | May 17, 1977 |
| Priority date | — |
| Expiry date | Sep 11, 1993 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D223/22
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
5-Alkyl-10-amino-10,11-dihydrodibenzo[b,f]azepines, useful as starting materials for the preparation of agricultural fungicides and also as therapeutic agents, are obtained by the reaction in an inert organic solvent of an N-alkyl-N-o-tolylanthranilonitrile with an alkali metal amide prepared from an amine, and the imino radical in the resulting 10-imino-10,11-dihydrodibenzo[b,f]azepine is converted to the amino radical by catalytic hydrogenation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.