Process for the preparation of para-nitroso-diphenyl-hydroxylamines
US4242523A · kind A · utility
1Cited by
2References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 20, 1979 |
| Grant date | Dec 30, 1980 |
| Priority date | — |
| Expiry date | Aug 20, 1999 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C239/10
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
An improved process for the preparation of para-nitroso-diphenyl-hydroxylamines is discussed. In the improved process the dimerizing rearrangement of a nitroso benzene is performed in the presence of at least 0.5 mole of a Lewis acid per mole of nitroso compound.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.