N-Substituted phenyl maleimides
US4400521A · kind A · utility
4Cited by
3References
6Claims
0Family size
Assignee
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Key dates
| Filing date | Oct 29, 1980 |
| Grant date | Aug 23, 1983 |
| Priority date | — |
| Expiry date | Oct 29, 2000 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D207/452
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Maleimide compounds represented by the general formula (I) ##STR1## where R and R' are a hydrogen atom, a halogen atom, or an alkyl radical of from 1 to 4 carbon atoms, and n and n' are a whole number of from 1 to 4; and a process for the preparation of the maleimide compounds, in which a maleamic acid represented by the general formula (II) ##STR2## where R and R' are a hydrogen atom, a halogen atom, or an alkyl radical of from 1 to 4 carbon atoms, and n and n' are a whole number of from 1 to 4, is contacted with a dehydrating agent in an organic solvent.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.