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Structural Effects of N -Arylcarbamoylpyrazolines on Calcium Uptake in Rat Brain Synaptosomes by Hasan, Riaz; Nishimura, Keiichiro; Nakagawa, Yoshiaki; Kurihara, Norio; Ueno, Tamio is a Agricultural and Biological Sciences article available to read on EtoBox.
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N-Arylcarbamoylpyrazolines with various substituents at the para position of the carbamoyl benzene ring inhibited ATP-dependent Ca2+-uptake in synaptosomes prepared from the rat brain. The activity of these compounds was evaluated as log( 1/15,), the reciprocal logarithm of half inhibitory concentration, I,, (M), from the concentration-response curve for the inhibition of Ca2 +uptake. Among the compounds tested, methyl 3-(4-chlorophenyl)-4-methyl-l -[ N -(4-trifluoromethylphenyl)carbamoyl]-2-pyrazoline-4-carboxylate was the most potent, the I,, value of which as 9.12 x lo-' M. Variations in the activity in terms of log( l/Is0) were quantitatively analysed using a substituent parameter, showing that the higher the electron-withdrawing effect of the substituent, the higher was the activity. The substituent effects were similar to those on insecticidal activity against the America1 cockroach. The higher the inhibitory activity against Ca2+ uptake, the higher seemed to be the insecticidal activity. Methyl (4S)-3-(4-chlorophenyl)-4-methyl-1 -[N-(4-chlorophenyl)carbamoyl]-2-pyrazoline-4-carboxylate had higher inhibitory activity against Ca2+-uptake and higher insecticidal activity than t
Who reads Structural Effects of N -Arylcarbamoylpyrazolines on Calcium Uptake in Rat Brain Synaptosomes?
It is typically read by researchers, students, and practitioners in Agricultural and Biological Sciences.
- Author
- Hasan, Riaz; Nishimura, Keiichiro; Nakagawa, Yoshiaki; Kurihara, Norio; Ueno, Tamio
- Publisher
- John Wiley and Sons; Wiley (John Wiley & Sons); John Wiley & Sons Inc.; Wiley (ISSN 1526-498X)
- Published
- 1996
- Language
- EN
- Field
- Agricultural and Biological Sciences (Life Sciences)