SPIRO-DERIVATI DEL SISTEMA CICLICO DELLA PIRAZOLO (1,5-D)(1,2,4)TRIAZINA E PROCEDIMENTO PER LA LORO PREPARAZIONE

A spiro derivative of the pyrazolo [1,5-d] [1,2,4] triazine ring system of the formula I I wherein R1 and R2 represent, independently from each other, a hydrogen atom or a C1-4 alkyl group, R3 stands for a hydrogen atom, an unbranched or branched C1-4 alkyl, C2-5 alkenyl or benzyl group, R4 represen...

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Bibliographic Details
Main Authors ANDRASI FERENC, TIHANYI ENDRE, GAL MELINDA, SINEGER ELEONORA, FEHER ODON
Format Patent
LanguageItalian
Published 24.02.1988
Edition4
Subjects
CHEMISTRY
HETEROCYCLIC COMPOUNDS
HUMAN NECESSITIES
HYGIENE
MEDICAL OR VETERINARY SCIENCE
METALLURGY
ORGANIC CHEMISTRY
PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS ORMEDICINAL PREPARATIONS
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Summary:A spiro derivative of the pyrazolo [1,5-d] [1,2,4] triazine ring system of the formula I I wherein R1 and R2 represent, independently from each other, a hydrogen atom or a C1-4 alkyl group, R3 stands for a hydrogen atom, an unbranched or branched C1-4 alkyl, C2-5 alkenyl or benzyl group, R4 represents a hydrogen atom, an unbranched or branched C1-4 alkyl, C4-6 cycloalkyl, an unsubstituted or mono-halo or polyhalo benzyl group, and n is a whole number from 4 to 8, wherein R stands for an unbranched or branched C1-4 alkyl, or C4-6 cycloalkyl, C2-5 alkenyl, an unsubstituted or a monohalogeno or polyhalogenobenzyl group, and X represents a halogen or a 4-methyl-phenylsulfonyloxy group. Compounds of the formula I exhibit valuable CNS activities.
Bibliography:Application Number: IT19820024281