Substituted 3-(4-imidazolylmethylene)carbazic and thiocarbazic acid esters
US4124766A · kind A · utility
4Cited by
3References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 7, 1977 |
| Grant date | Nov 7, 1978 |
| Priority date | — |
| Expiry date | Nov 7, 1997 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D487/04
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
There are provided substituted 3-(4-imidazolyl-methylene)carbazic acid esters and 3-(4-imidazolylmethylene)dithiocarbazic acid esters useful as intermediates for the preparation of compounds which inhibit the enzyme cyclic-AMP phosphodiesterase.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.