A 2B adenosine receptor antagonists

Organic compounds -- part of the class 532-570 series – Organic compounds – Chalcogen bonded directly to ring carbon of the purine ring...

Reexamination Certificate

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C544S267000, C544S269000, C544S271000, C544S272000, C544S310000, C544S312000

Reexamination Certificate



Disclosed are processes for the synthesis of novel compounds that are A2Badenosine receptor antagonists, having the structure of Formula I or Formula II:by cyclizing a compound of the formula (3):

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