Process for the preparation of benzaldehydes
US5082976A · kind A · utility
6Cited by
4References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 25, 1990 |
| Grant date | Jan 21, 1992 |
| Priority date | — |
| Expiry date | Oct 25, 2010 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C253/30
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Benzaldehydes of the formula ##STR1## can be obtained by reaction of substituted .beta.-amino-styrenes of the formula ##STR2## in which R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5, R.sup.8, R.sup.9, R.sup.10, m, n and o have the scope of meaning indicated in the description, with oxygen in the presence of a Cu compound in the solution of an aprotic polar solvent at 0.degree.-120.degree. C.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.