Organic compounds -- part of the class 532-570 series – Organic compounds – Nitrogen attached directly or indirectly to the purine ring...
Patent
1991-04-19
1992-08-25
Shen, Cecilia
Organic compounds -- part of the class 532-570 series
Organic compounds
Nitrogen attached directly or indirectly to the purine ring...
C07D29573
Patent
active
051420538
ABSTRACT:
The invention relates to a process for the preparation of the compound of formula I: ##STR1## characterized in that 2,3,4-trimethoxybenzaldehyde is dissolved with piperazine, and then the reaction medium is subjected to the action of hydrogen to give the compound of formula I.
REFERENCES:
patent: 3951970 (1976-04-01), Razdan et al.
patent: 3996278 (1976-12-01), Schlager
Chemical Abstracts, vol. 79, 1973, p. 462 #32098k (abstracting Kokai 73 32,889; JP 48032889).
Adir et Compagnie
Hueschen Gordon W.
Shen Cecilia
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