Method for synthesizing N-aminophthalimide
US4720553A · kind A · utility
3Cited by
1References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 14, 1986 |
| Grant date | Jan 19, 1988 |
| Priority date | — |
| Expiry date | Apr 14, 2006 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D237/32
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
There is described an improved method for synthesizing N-aminophthalimide from phthalimide and hydrazine wherein the reaction is conducted in a medium consisting essentially of water and alcohol at a volume ratio within the range of from 80:20 to 20:80 at a temperature within the range of from -5.degree. C. to 35.degree. C., said alcohol being methanol, ethanol, n-propanol, iso-propanol or a mixture thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.