Organic compounds -- part of the class 532-570 series – Organic compounds – Nitrogen attached directly or indirectly to the purine ring...
Patent
1996-04-15
1997-09-02
Berch, Mark L.
Organic compounds -- part of the class 532-570 series
Organic compounds
Nitrogen attached directly or indirectly to the purine ring...
C07D47340, C07B 3900
Patent
active
056633386
ABSTRACT:
The present invention relates to a new and improved process for preparing 2-amino-6-chloropurine comprising the step of reacting guanine in the presence of ammonium sulphate with hexamethyldisilazane. The process of this invention advantageously results in a high yield of 2-amino-6-chloropurine and may be carried out on a laboratory or an industrial scale.
Ramert Reiner
Sobotta Rainer
Berch Mark L.
Boehringer Ingelheim KG
Raymond Robert P.
Rieder Wendy E.
Stempel Alan R.
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