Side-chain chlorination of alkylated nitrogen heteroaromatics
US5198549A · kind A · utility
6Cited by
1References
3Claims
0Family size
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Inventor
Key dates
| Filing date | May 13, 1991 |
| Grant date | Mar 30, 1993 |
| Priority date | — |
| Expiry date | May 13, 2011 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P20/582
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
In the chlorination of the side chain of an alkylated nitrogen heteroaromatic such as pyridine or pyrimidine by reaction with elemental chlorine, the reaction is effected in acetronitrile as solvent.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.