Hypoxanthine compounds of the structure: ##STR1## are disclosed where R.sub.3 and R.sub.8 are as described herein. The compounds are useful as intermediates to compounds providing PDE IV inhibition activity.

Compostos de Hypoxanthine da estrutura: ## do ## STR1 são divulgados onde R.sub.3 e R.sub.8 são como descritos nisto. Os compostos são úteis como intermediários aos compostos que fornecem a atividade da inibição de PDE IV.

 
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