Organic compounds -- part of the class 532-570 series – Organic compounds – Nitrogen attached directly or indirectly to the purine ring...
Patent
1979-02-12
1980-08-05
Rizzo, Nicholas S.
Organic compounds -- part of the class 532-570 series
Organic compounds
Nitrogen attached directly or indirectly to the purine ring...
C07D47334
Patent
active
042163170
ABSTRACT:
Adenine is prepared by heating hydrogen chloride and hydrogen cyanide in a mixture of phosphorus oxychloride and dichlorophosphoric acid as solvent in a sealed vessel or by heating N-dichloromethylformamidine hydrochloride or triazine hydrochloride in a mixture of phosphorus oxychloride and dichlorophorphoric acid.
REFERENCES:
patent: 3671649 (1972-06-01), Yamara et al.
patent: 4059582 (1977-11-01), Yonemitsu et al.
patent: 4100159 (1978-07-01), Vanderzwan
Shuman Richard F.
Tull Roger J.
Merck & Co. , Inc.
Nicholson William H.
Patton Walter
Rizzo Nicholas S.
Westlake, Jr. Harry E.
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