Process for synthesizing beta-lactamase inhibitor intermediates

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

Reexamination Certificate

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C548S148000, C548S217000

Reexamination Certificate

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10844243

ABSTRACT:
There is provided a process for the preparation of bicyclicheteroaryl carboxaldehydes having the structural Formula I where X and Y are defined in the specificationThe bicyclic heteroaryl carboxaldehydes are useful as intermediates in the preparation of β-lactamase inhibitors.

REFERENCES:
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International Search Report PCT/US2004/014834.

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