发明授权
US5919937A Process for phosphodiesterase IV inhibitors 失效
磷酸二酯酶IV抑制剂的方法

Process for phosphodiesterase IV inhibitors
摘要:
The invention encompasses a novel process for the formation of enantiomerically enriched mixtures of compounds of Formula I, which are useful precursors in the synthesis of phosphodiestersae IV inhibitors.
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