Synthesis, Affinity for Central Benzodiazepine Receptors, and Hypnosedative and Anxiolytic Properties of 3-Acyloxy-5-Aryl-7-Bromo-1,2-Dihydro-3H-1,4-Benzodiazepin-2-Ones
- Authors: Pavlovsky V.I.1, Karaseva T.L.1, Semenishina E.A.1, Andronati K.S.1, Yurpalova T.A.1, Onufrienko O.V.1, Krivenko Y.R.1, Krys’ko A.A.1, Andronati S.A.1
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Affiliations:
- A. V. Bogatsky Physico-Chemical Institute, National Academy of Sciences of Ukraine
- Issue: Vol 53, No 3 (2019)
- Pages: 207-211
- Section: Article
- URL: https://journals.rcsi.science/0091-150X/article/view/245688
- DOI: https://doi.org/10.1007/s11094-019-01980-7
- ID: 245688
Cite item
Abstract
3-Acyloxy-5-aryl-7-bromo-1,2-dihydro-3H-1,4-benzodiazepin-2-ones (3 – 18) were synthesized and shown to possess (ED50 = 0.05 – 5 mg/kg) hypnotic, sedative, anticonvulsant, and anxiolytic properties. The hypnotic activity of the tested compounds varied in the dose range 0.22 – 1.50 mg/kg i.p. in mice. The pharmacological properties of 3 – 14 were comparable to those of cinazepam (Levana® IC) and its metabolite 3-hydroxyphenazepam. The CBDR affinity was shown to increase with acyl length in the series C2-C5 whereas it decreased significantly in the series C6-C8. The tested compounds were characterized by low toxicity with LD50 > 650 mg/kg i.p. in mice.
About the authors
V. I. Pavlovsky
A. V. Bogatsky Physico-Chemical Institute, National Academy of Sciences of Ukraine
Author for correspondence.
Email: victor.pavlovsky@ukr.net
Ukraine, 86 Lustdorfska Doroga, Odessa, 65080
T. L. Karaseva
A. V. Bogatsky Physico-Chemical Institute, National Academy of Sciences of Ukraine
Email: victor.pavlovsky@ukr.net
Ukraine, 86 Lustdorfska Doroga, Odessa, 65080
E. A. Semenishina
A. V. Bogatsky Physico-Chemical Institute, National Academy of Sciences of Ukraine
Email: victor.pavlovsky@ukr.net
Ukraine, 86 Lustdorfska Doroga, Odessa, 65080
K. S. Andronati
A. V. Bogatsky Physico-Chemical Institute, National Academy of Sciences of Ukraine
Email: victor.pavlovsky@ukr.net
Ukraine, 86 Lustdorfska Doroga, Odessa, 65080
T. A. Yurpalova
A. V. Bogatsky Physico-Chemical Institute, National Academy of Sciences of Ukraine
Email: victor.pavlovsky@ukr.net
Ukraine, 86 Lustdorfska Doroga, Odessa, 65080
O. V. Onufrienko
A. V. Bogatsky Physico-Chemical Institute, National Academy of Sciences of Ukraine
Email: victor.pavlovsky@ukr.net
Ukraine, 86 Lustdorfska Doroga, Odessa, 65080
Ya. R. Krivenko
A. V. Bogatsky Physico-Chemical Institute, National Academy of Sciences of Ukraine
Email: victor.pavlovsky@ukr.net
Ukraine, 86 Lustdorfska Doroga, Odessa, 65080
A. A. Krys’ko
A. V. Bogatsky Physico-Chemical Institute, National Academy of Sciences of Ukraine
Email: victor.pavlovsky@ukr.net
Ukraine, 86 Lustdorfska Doroga, Odessa, 65080
S. A. Andronati
A. V. Bogatsky Physico-Chemical Institute, National Academy of Sciences of Ukraine
Email: victor.pavlovsky@ukr.net
Ukraine, 86 Lustdorfska Doroga, Odessa, 65080