One of the major reasons for studying chemical kinetics is to use measurements of the macroscopic properties of a system, 50541-93-0, such as the rate of change in the concentration of reactants or products with time.In a article, authors is Mitsuya, mentioned the application of 50541-93-0, Name is 4-Amino-1-benzylpiperidine, molecular formula is C12H18N2
A potent, long-acting, orally active (2R)-2-[(1R)-3,3-difluorocyclopentyl]-2-hydroxy-2-phenylacetamide: A novel muscarinic M3 receptor antagonist with high selectivity for M3 over M2 receptors
A novel series of (2R)-2-[(1R)-3,3-difluorocyclopentyl]-2-hydroxy-2-phenylacetamides was designed and synthesized based on the structure and biological profiles of an active metabolite 2 of our prototype muscarinic M3 receptor selective antagonist 1, to develop a potent, long-acting, orally active M3 antagonist for the treatment of urinary tract disorders, irritable bowel syndrome, and respiratory disorders. Investigation of (2R)-2-[(1R)-3,3-difluorocyclopentyl]-2-hydroxy-2-phenylacetamides containing a phenyl or heterocyclic ring as the piperidinyl side chain in place of the 4-methyl-3-pentenyl moiety of 15a revealed that this acid moiety was a versatile template for improving the selectivity for M3 over M2 receptors in comparison with the corresponding cyclopentylphenylacetic acid group. However, since the in vitro metabolic stability of these analogues was insufficient compared with that of 2, further derivatization was performed by introducing an appropriate hydrophilic group into the phenyl or 2-pyridyl ring. Thus, the 1-(6-aminopyridin-2-ylmethyl)piperidine analogue 15y exhibiting 190-fold selectivity for M3 receptors (Ki = 2.8 nM) over M2 receptors (Ki = 530 nM) in a human binding assay and good in vitro metabolic stability in dog and human hepatic microsomes was identified. This compound has excellent oral activity at 4 h after oral dosing (1 mg/kg), inhibiting methacholine-induced bronchoconstriction in dogs, and may be useful in clinical situations in which M3 over M2 selectivity is desirable.
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Piperidine – Wikipedia,
Piperidine | C5H12032N – PubChem