Benzoyl urea compound
US4904668A · kind A · utility
Assignees
Inventors
Key dates
| Filing date | Sep 25, 1987 |
| Grant date | Feb 27, 1990 |
| Priority date | — |
| Expiry date | Sep 25, 2007 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D239/34
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A benzoyl urea compound having the formula: ##STR1## wherein X is a halogen atom, a nitro group or a trifluoromethyl group, provided that when Y is a nitro group, X is a halogen atom or a nitro group, Y is a hydrogen atom, a halogen atom, a nitro group or a trifluoromethyl group, Z.sub.1 is a halogen atom or a trifluoromethyl group, Z.sub.2 is a hydrogen atom or a halogen atom, and A is a .dbd.CH-- group or a nitrogen atom, or the formula: ##STR2## wherein each of X.sub.1 is X.sub.2 is a hydrogen atom, a halogen atom or a nitro group, provided that when Y is a nitro group, X.sub.1 is a hydrogen atom, Y is a hydrogen atom, a halogen atom, a nitro group or a trifluoromethyl group, and Z is a hydrogen atom, a halogen atom or a trifluoromethyl group, characterized in that its average particle size is not larger than 1 .mu.m.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.