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Publication Abstract from PubMed

Monoacylglycerol lipase (MAGL) is the main enzyme responsible for degradation of the endocannabinoid 2-arachidonoylglycerol (2-AG) in the CNS. MAGL catalyzes the conversion of 2-AG to arachidonic acid (AA), a precursor to the proinflammatory eicosannoids such as prostaglandins. Herein we describe highly efficient MAGL inhibitors, identified through a parallel medicinal chemistry approach that highlighted the improved efficiency of azetidine and piperidine-derived carbamates. The discovery and optimization of 3-substituted azetidine carbamate irreversible inhibitors of MAGL were aided by the generation of inhibitor-bound MAGL crystal structures. Compound 6, a highly efficient and selective MAGL inhibitor against recombinant enzyme and in a cellular context, was tested in vivo and shown to elevate central 2-AG levels at a 10 mg/kg dose.

Azetidine and Piperidine Carbamates as Efficient, Covalent Inhibitors of Monoacylglycerol Lipase.,Butler CR, Beck EM, Harris A, Huang Z, McAllister LA, Am Ende CW, Fennell K, Foley TL, Fonseca K, Hawrylik SJ, Johnson DS, Knafels JD, Mente S, Noell GS, Pandit J, Phillips TB, Piro JR, Rogers BN, Samad TA, Wang J, Wan S, Brodney MA J Med Chem. 2017 Dec 14;60(23):9860-9873. doi: 10.1021/acs.jmedchem.7b01531. Epub, 2017 Dec 5. PMID:29148769^[2]

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.