title: Six- and seven-membered 1-oxa-4-aza-2-silacyclanes as possible correctors of adaptational mechanisms.
abstract: The biological activity of eight 1-oxa-4-aza-2-silacyclanes with the OSiCH(2)N fragment including 6-membered 2-sila-5-morpholinones (1-3) and 4-acyl-2-silamorpholines (4-6)and previously unknown 7-membered derivatives of salicylic acid (7, 8) was studied. Compounds 1 and 3-6 show the certain antihypoxic action. Compounds 2 (40 mg/kg), 4 (20 mg/kg), 6 (40 mg/kg), 7 (20 mg/kg) and 8 (40 mg/kg) reduce the physical serviceability of intact animals. Compound 1 (20 mg/kg) influences the physical serviceability in a moderate-positive way on the background of chlorophos-poisoning. Compounds 5-8 displayed protective properties against chlorophos-poisoning at the LD(50) dose and compounds 2, 4, 5, 7 at the LD(100) dose. Influence of compounds 1 and 2 on the emotional-research behavior of mice was studied.
authors.affiliation: Russian State Medical University Ostrovityanov St. 1 Moscow 117869 Russia.
authors.forename: A V
authors.initials: AV
authors.lastname: Kurochka
authors.forename: O V
authors.initials: OV
authors.lastname: Agafonova
authors.forename: A S
authors.initials: AS
authors.lastname: Losev
authors.forename: E A
authors.initials: EA
authors.lastname: Mamaeva
authors.forename: S Y
authors.initials: SY
authors.lastname: Bylikin
authors.forename: V V
authors.initials: VV
authors.lastname: Negrebetsky
authors.forename: E P
authors.initials: EP
authors.lastname: Kramarova
authors.forename: A G
authors.initials: AG
authors.lastname: Shipov
authors.forename: Y I
authors.initials: YI
authors.lastname: Baukov