Process for the preparation of aromatic aldehydes
US4720594A · kind A · utility
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18Claims
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Key dates
| Filing date | Jun 13, 1986 |
| Grant date | Jan 19, 1988 |
| Priority date | — |
| Expiry date | Jun 13, 2006 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C45/49
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Process for the preparation of aromatic aldehydes by hydrocarbonylation of chloro- or bromoaromatic compounds. In the presence of an acceptor for an oxygen-free acid, a palladium/phosphine complex and, if appropriate, a phosphine, a mixture of carbon monoxide and hydrogen is reacted with chloro- or bromoarenetricarbonylchromiums.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.