Process for preparing isomerically pure prodrugs of proton...

Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...

Reexamination Certificate

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C544S353000, C544S354000, C544S355000, C546S153000, C546S168000, C546S172000, C546S256000

Reexamination Certificate

active

10891317

ABSTRACT:
Synthetic methods for preparing isomerically pure N-arylsulfonyl derivatives of proton pump inhibitors which include a substituted benzimidazole nucleus are shown by the synthetic schemes and experimental description.

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