Process for preparing hexahydrothieno[3,4-d]imidazole-2,4-diones
US3931219A · kind A · utility
1Cited by
5References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 27, 1974 |
| Grant date | Jan 6, 1976 |
| Priority date | — |
| Expiry date | Sep 27, 1994 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D495/04
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
In the conversion of a hexahydrofuro[3,4-d]-imidazole-2,4-dione compound into the corresponding hexahydrothieno[3,4-d]imidazole-2,4-dione compound, an improved process which comprises reacting the starting hexahydrofuro[3,4-d]imidazole-2,4-dione compound with a dithiocarbamate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.