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Raviraj A. Kusanur Manjunath Ghate Manohar V. Kulkarni 《Journal of Chemical Sciences》2004,116(5):265-270
3-Acetyl coumarins (1) when allowed react with isatin (2) gave corresponding 3-(3′-hydroxy-2′-oxo indolo) acetyl coumarins (3), which on dehydration afforded the correspondingα,β-unsaturated ketones (4). Cyclocondensation of (4) with substitutedo-phenylene diamines resulted in novel 3-coumarinyl spiro[indolo-1,5-benzodiazepines] (5). Structures of all the compounds have been established on the basis of their IR, NMR and mass spectral data and have been
screened for their antimicrobial activity and antianxiety activity in mice 相似文献
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Hiroaki Takemoto Yuki Saito Kei Misumi Masaki Nagasaki Yoshinori Masuo 《Molecules (Basel, Switzerland)》2022,27(9)
(1) Sesame oil aroma has stress-relieving properties, but there is little information on its effective use and active ingredients. (2) Methods: ICR male mice were housed under water-immersion stress for 24 h. Then, the scent of sesame oil or a typical ingredient was inhaled to the stress groups for 30, 60, or 90 min. We investigated the effects of sesame oil aroma on mice behavior and the expression of the dual specificity phosphatase 1 (DUSP1) gene, a candidate stress marker gene in the brain. (3) Results: In an elevated plus-maze test, the rate of entering into the open arm of a maze and the staying time were increased to a maximum after 60 min of inhalation, but these effects decreased 90 min after inhalation. As for the single component, anxiolytic effects were observed in the 2,5-dimethylpyrazine and 2-methoxy phenol group, but the effect was weakened in the furfuryl mercaptan group. The expression levels of DUSP1 in the hippocampus and striatum were significantly decreased in 2,5-dimethylpyrazine and 2-methoxy phenol groups. (4) Conclusions: We clarified the active ingredients and optimal concentrations of sesame oil for its sedative effect. In particular, 2,5-dimethylpyrazine and 2-methoxy phenol significantly suppressed the stress-induced changes in the expression of DUSP1, which are strong anti-stress agents. Our results suggest that these molecules may be powerful anti-stress agents. 相似文献
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