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US 2006/0235224 A1Published application
Process for preparing 2.6-dichloropurine
OwnerYiyi Yaninventor
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Abstract
A method for producing 2,6-dichloropurine is provided. The method comprises reacting 2-amino, 6-chloropurine with nitric acid in the presence of a chloride. The final product is also obtained in the absence of chloride, for example if hydrochloric acid is utilized in the reaction process.
Claims14
A method for preparing 2,6-dichloropurine or the acidic addition salt thereof, the process comprising reacting 2-amino-6-chloropurine with nitric acid in the presence of chloride.
A method for preparing 2,6-dichloropurine or the acidic addition salt thereof, the process comprising reacting 2-amino-6-chloropurine with a nitric acid in the presence of hydrochloric acid.
Dependencies are inferred from the claim text.