Derivatives of spiro-[2H-1-benzopyrane-2,4'-piperidine]-4(3H)-one, acid-additive and quaternary salts thereof and pharmaceutical compositions containing them
The invention refers to new derivatives of spiro-[2H-1-benzopyrane-2,4′-piperidine]-4(3H)-one of general formula (I)wherein R represents halogen, nitro group or linear or branched-chain C1-6 alkyl group, to their acid-additive salts, as well as to their quaternary salts with benzylic grouping. The a...
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Main Authors | , , , , , , , , , , , , , , |
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Format | Patent |
Language | English Romanian Russian |
Published |
31.01.2002
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Subjects | |
Online Access | Get full text |
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Summary: | The invention refers to new derivatives of spiro-[2H-1-benzopyrane-2,4′-piperidine]-4(3H)-one of general formula (I)wherein R represents halogen, nitro group or linear or branched-chain C1-6 alkyl group, to their acid-additive salts, as well as to their quaternary salts with benzylic grouping. The aforesaid compounds exercise a favourable effect in dementias of different pathologic etiology and symptoms accompanying them. In addition, the invention refers to the pharmaceutical compositions containing such compounds as active agents.
Invenţia se referă la noi derivaţi de spiro-[2H-1-benzopiran-2,4'-piperidin]-4(3H)-onă cu formula generală (I)în care R reprezintă halogen, grupa nitro sau grupa C1-6 alchil cu catenă liniară sau ramificată, la sărurile lor acide de adiţie, precum şi la sărurile lor cuaternare cu grupare benzilică. Compuşii menţionaţi exercită un efect benefic în demenţele de diversă etiologie patologică şi simptomele ce le însoţesc. În plus, invenţia se referă la compoziţii farmaceutice, care în calitate de agenţi activi conţin aceşti compuşi.
Изобретение относится к новым про¬из¬водным спиро-[2Н-1-бензо¬пиран-2,4′-пиперидин]-4(3Н)-она общей фор¬мулы (I)где R означает галоген, нитрогруппу или линейную либо разветвленную С1-6 алкильную группу, к их кислотно-аддитивным солям, а также к их четвертичным солям с бензильной группой. Вышеуказанные соединения оказывают благоприятно влияющий эффект на деменции раз¬личного патологического проис¬хож¬дения и сопровождающие их симп¬томы. Кроме того, изобретение отно¬сится к фармацевти¬ческим композициям, содержащим в качестве активных агентов эти со¬еди¬нения. |
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Bibliography: | Application Number: MD19980000029 |