| PATENT ASSIGNEE'S COUNTRY | UK |
| UPDATE | 01.00 |
| PATENT ASSIGNEE | This data is not available for free |
| PATENT CLAIMS |
Prepn process - Treat 4,6-Di-OH pyrimidine with P oxychloride in presence of saturated hindered amine & - As first step, directly extracting with solvent the 4,6-di-Cl pyrimidine so formed from liquid reaction mixt by means of countercurrent liquid-liquid sepn technique |
| PATENT PHOTOCOPY | Available on request |
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