The dynamic chemical diversity of the numerous elements, ions and molecules that constitute the basis of life provides wide challenges and opportunities for research. In a document, author is Naito, R, introducing its new discovery. Computed Properties of https://www.ambeed.com/products/10160-87-9.html.
A novel series of biphenylylcarbamate derivatives were synthesized and evaluated for binding to M-1, M-2 and M-3 receptors and for antimuscarinic activities. Receptor binding assays indicated that biphenyl-2-ylcarbamate derivatives had high affinities for M-1 and M-3 receptors and good selectivities for M-3 receptor over M-2 receptor, indicating that the biphenyl-2-yl group is a novel hydrophobic replacement for the benzhydryl group in the muscarinic antagonist field. In this series, quinuclidin-1-yl biphenyl-2-ylcarbamate monohydrochloride (81, YM-46303) exhibited the highest affinities for M-1 and M-3 receptors, and selectivity for M-3 over M-2 receptor. Compared to oxybutynin, YM-46303 showed approximately ten times higher inhibitory activity on bladder pressure in reflexly-evoked rhythmic contraction, and about 5-fold greater selectivity for urinary bladder contraction against salivary secretion in rats. Moreover, selective antagonistic activity was also observed in vitro. Further evaluation of antimuscarinic effects on bradycardia and presser in pithed rats, and on tremor in mice, showed that YM-46303 can be useful for the treatment of urinary urge incontinence as a bladder-selective M-3 antagonist with potent activities and fewer side effects.
The catalyzed pathway has a lower Ea, but the net change in energy that results from the reaction is not affected by the presence of a catalyst. In my other articles, you can also check out more blogs about 10160-87-9 Computed Properties of https://www.ambeed.com/products/10160-87-9.html.
Reference:
Quinuclidine – Wikipedia,
,Quinuclidine | C7H13N | ChemSpider