Intermediates in the preparation of entecavir via...

Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Having -c- – wherein x is chalcogen – bonded directly to...

Reexamination Certificate

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C544S264000

Reexamination Certificate

active

07968555

ABSTRACT:
Processes for preparing entecavir and novel intermediates thereof using carbon-silicon oxidation.

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