Tetrahydro 2-carbazolyl methyl malonate derivatives
US4193923A · kind A · utility
1Cited by
1References
2Claims
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Assignee
Inventors
Key dates
| Filing date | Mar 23, 1979 |
| Grant date | Mar 18, 1980 |
| Priority date | — |
| Expiry date | Mar 23, 1999 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D209/86
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A process for the preparation of .alpha.-methyl-carbazole-2-acetic acids, which comprises reacting an .alpha.-methyl-3-oxocyclohexane malonic acid di-lower alkyl ester with a substituted phenylhydrazine, and thereafter sequentially oxidizing and hydrolyzing the reaction product to obtain the desired acid, is described.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.