Production of purine derivatives and intermediates therefor

Details Production of purine derivatives and intermediates therefor Production of purine derivatives and intermediates therefor

C - Chemistry, Metallurgy

07

D

260/170.2, 260/2

C07D 239/50 (2006.01) C07D 473/34 (2006.01)

Patent

CA 1171081

Abstract of the Disclosure Improved processes for producing purine derivatives, such as 9-(2-chloro-6-fluorobenzyl)-6-methylaminopurine, which are useful as anticoccidial agents, and new arylazo- pyrinidine compounds of the formula: Image wherein R1 and R2 each is hydrogen, C1-3alkyl, allyl, or dihalobenzyl, and when either one of R1 and R2 is hydrogen, the other is other than hydrogen, and R3 is aryl, and acid addition salts thereof, which are useful as intermediates for production of the purine derivatives.

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