| PATENT ASSIGNEE'S COUNTRY | USA |
| UPDATE | 07.00 |
| PATENT ASSIGNEE | American Cyanamid |
| PATENT CLAIMS |
Pyridine-2-Hal-6-(CO-NH-R) prepn - Heating mixt of pyridine-2-Hal-6-C(Cl)3 & 1-1.5 equiv of concd SO4H2 - Reacting the intermediate prodt with H2N-R R = Alkyl, aryl heteroaryl or cycloalkyl |
| PATENT PHOTOCOPY | Available on request |
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