Process for the preparation of aromatic carbonates
US4045464A · kind A · utility
32Cited by
2References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 1, 1975 |
| Grant date | Aug 30, 1977 |
| Priority date | — |
| Expiry date | Dec 1, 1995 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D307/935
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The invention relates to a process for preparing diaryl carbonates starting from phenyl alkyl carbonates, the reaction being carried out in the presence of suitable catalysts capable of affording greater yields and selectivity; the catalyst system is selected amongst the Lewis acids or the compounds of transition metals.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.