Children learn through play, and they learn more than adults might expect. Science experiments are a great way to spark their curiosity, get their minds active, and encourage them to do something that doesn¡¯t involve a screen. 827-61-2, C9H15NO2. A document type is Article, introducing its new discovery., name: Quinuclidin-3-yl acetate
Design, synthesis, and neurochemical evaluation of 5-(3-alkyl-1,2,4- oxadiazol-5-yl)-1,4,5,6-tetrahydropyrimidines as M1 muscarinic receptor agonists
A series of 5-(3-alkyl-1,2,4-oxadiazol-5-yl)-1,4,5,6- tetrahydropyrimidines (7a-h) was synthesized for biological evaluation as selective agonists for M1 receptors coupled to phosphoinositide (PI) metabolism in the central nervous system. Each ligand bound with high affinity to muscarinic receptors from rat brain as measured by inhibition of [3H]-(R)-quinuclidinyl benzilate ([3H]-(R)-QNB) binding. 5-(3-Methyl- 1,2,4-oxadiazol-5-yl)-1,4,5,6-tetrahydropyrimidine trifluoroacetate (CDD- 0098-J; 7a) displayed high affinity (IC50 = 2.7 ¡À 0.69 muM) and efficacy at muscarinic receptors coupled to PI metabolism in the rat cortex and hippocampus. Increasing the length of the alkyl substituent increased affinity for muscarinic receptors yet decreased activity in PI turnover assays. The hippocampal PI response of 7a was blocked by lower concentrations of pirenzepine (8) or by higher concentrations of either AF-DX 116 (9) or p- fluorohexahydrosiladifenidol (10), suggesting that at low concentrations 7a selectively stimulates PI turnover through M1 receptors.
Enzymes are biological catalysts that produce large increases in reaction rates and tend to be specific for certain reactants and products. I hope my blog about is helpful to your research. name: Quinuclidin-3-yl acetate
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