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US07307167B2 Production method of 2,6-dihalopurine 失效
2,6-二卤嘌呤的制备方法

Production method of 2,6-dihalopurine
摘要:
By reacting the compound of the formula [Ia] or [Ib] with halosilane compound and an agent for diazo reaction, 2,6-dihalopurine of the formula [II] can be produced conveniently in a high yield and can be easily isolated, wherein each symbol is as defined in the specification
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