3,5-Dihydro-imidazo[4,5-d]pyridazin-4-ones: a class of potent DPP-4 inhibitors.

Bioorg Med Chem Lett

Department of Chemical Research, Boehringer Ingelheim Pharma GmbH & Co. KG, 88400 Biberach, Germany.

Published: June 2008

Systematic variations of the xanthine scaffold in close analogs of development compound BI 1356 led to the class of 3,5-dihydro-imidazo[4,5-d]pyridazin-4-ones which provided, after substituent screening, a series of highly potent DPP-4 inhibitors.

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http://dx.doi.org/10.1016/j.bmcl.2008.04.075DOI Listing

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