Method for the preparation of 2-hydroxyarylaldoximes
US5502254A · kind A · utility
3Cited by
5References
13Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 15, 1995 |
| Grant date | Mar 26, 1996 |
| Priority date | — |
| Expiry date | Mar 15, 2015 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C249/08
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A method for the preparation of a 2-hydroxyarylaldoxime which comprises reacting hydroxylamine with a 2-hydroxyarylaldehyde, said reaction being performed in the presence of a compound of a metal of Group II, Group III, Group IVA or Group VIA of the Periodic Table and/or under such conditions that the 2-hydroxyarylaldehyde is at least partially in the form of a salt and/or complex of a metal of Group II, Group III, Group IVA or Group VIA of the Periodic Table.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.