N-(2,4-dihalo-S-triazin-6-yl)-ureas and process for their manufacture
US3939158A · kind A · utility
5Cited by
2References
9Claims
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Assignee
Inventor
Key dates
| Filing date | Aug 8, 1974 |
| Grant date | Feb 17, 1976 |
| Priority date | — |
| Expiry date | Aug 8, 1994 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D251/44
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A process for the manufacture of N-(2,4-dihalo-s-triazin-6-yl)-ureas of the formula ##SPC1## Wherein X represents halogen, R represents alkyl, aryl or hydrogen and Y represents hydrogen or the sulphonic acid group, which comprises reacting a dihalo-amino-s-triazine of the formula ##SPC2## Wherein X and R have the meanings assigned to them hereinbefore, with chloro-sulphonylisocyanate and hydrolysing the resulting reaction product. The compounds of the formula (1) are suitable as starting products for the manufacture of reactive dyes, fluorescent whiteners or agro - chemicals.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.