n of alkenes with anilines has been developed for the atom-economical synthesis of 2-substituted propanamides bearing an α-stereocenter. A novel phosphoramidite ligand L16 was discovered which exhibited very high reactivity and selectivity in the reaction. This asymmetric Markovnikov hydroaminocarbonylation employs readily available starting materials and tolerates a wide range of functional groups
Exploring the fatty acid amide hydrolase and cyclooxygenase inhibitory properties of novel amide derivatives of ibuprofen
作者:Alessandro Deplano、Jessica Karlsson、Mona Svensson、Federica Moraca、Bruno Catalanotti、Christopher J. Fowler、Valentina Onnis
DOI:10.1080/14756366.2020.1743283
日期:2020.1.1
yl)propanamide (Ibu-AM68) was found to inhibit the hydrolysis of [3H]anandamide by rat brain homogenates by a reversible, mixed-type mechanism of inhibition with a Ki value of 0.26 µM and an α value of 4.9. At a concentration of 10 µM, the compound did not inhibit the cyclooxygenation of arachidonic acid by either ovine COX-1 or human recombinant COX-2. However, this concentration of Ibu-AM68 greatly
Synthesis of new chemical entities from paracetamol and NSAIDs with improved pharmacodynamic profile
作者:Mange Ram Yadav、Datta M. Nimekar、A. Ananthakrishnan、Pathik S. Brahmkshatriya、Shrikant T. Shirude、Rajani Giridhar、Arvind Parmar、R. Balaraman
DOI:10.1016/j.bmc.2006.08.017
日期:2006.12
It was envisaged to-combine high antipyretic activity of paracetamol into commonly used NSAIDs. To achieve this goal new chemical entities were synthesized by chemically combining paracetamol and NSAIDs, and biologically evaluated for their antipyretic, analgesic, anti-inflammatory and ulcerogenic potential. The acid chloride of parent NSAIDs was reacted with excess of p-aminophenol to yield the desired p-amidophenol derivatives (1B-7B). Acetate derivatives (1C-7C) of these phenols (1B-7B) were also prepared by their treatment with acetic anhydride, in order to see the impact of blocking the free phenolic group on the biological activity of the derivatives. All the synthesized p-amidophenol derivatives showed improved antipyretic activity than paracetamol with retention of anti-inflammatory activity of their parent NSAIDs. These compounds elicited no ulcerogenicity unlike their parent drugs. (c) 2006 Elsevier Ltd. All rights reserved.