Aromatic compound nitration catalyzed by aromatic sulfonic acid supported on solid carrier
US3965200A · kind A · utility
4Cited by
2References
7Claims
0Family size
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Key dates
| Filing date | Jul 13, 1972 |
| Grant date | Jun 22, 1976 |
| Priority date | — |
| Expiry date | Jul 13, 1992 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07B43/02
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
In nitrating an aromatic compound having at least one of ortho-para orientation substituents, a process which is characterized in that nitration is carried out in the presence of an aromatic sulfonic acid supported on a solid carrier in a weight ratio of 1 : 1 to 1 : 20.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.