CS276460B6 - Spůsob výroby 3-(N-metylamino)-6-X-7-Y-8-Z-2H-l- -benzopyrán-2-óňových zlúčenín - Google Patents

Spůsob výroby 3-(N-metylamino)-6-X-7-Y-8-Z-2H-l- -benzopyrán-2-óňových zlúčenín Download PDF

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Publication number
CS276460B6
CS276460B6 CS88802A CS80288A CS276460B6 CS 276460 B6 CS276460 B6 CS 276460B6 CS 88802 A CS88802 A CS 88802A CS 80288 A CS80288 A CS 80288A CS 276460 B6 CS276460 B6 CS 276460B6
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Czechoslovakia
Prior art keywords
benzopyran
compounds
methylamino
formula
preparing
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CS88802A
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Czech (cs)
English (en)
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CS80288A3 (en
Inventor
Jana Rndr Donovalova
Anton Rndr Csc Gaplovsky
Pavol Prof Rndr Drsc Hrnciar
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Uk Prirodovedecka Fakulta
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Priority to CS88802A priority Critical patent/CS276460B6/sk
Publication of CS80288A3 publication Critical patent/CS80288A3/cs
Publication of CS276460B6 publication Critical patent/CS276460B6/sk

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  • Nitrogen Condensed Heterocyclic Rings (AREA)
  • Pyrane Compounds (AREA)

Abstract

Spůsob výroby 3-(N-metylamino)-6-X-7-Y-8-' -Z-2H-l-benzopyrán-2-ónových zlúčenín všeobecného vzorca (I) kde Χ,Υ,Ζ má význam uvedený v popise, ktoré doteraz neboli připravené. Uvedené zlúčeniny majú použitie ako světelné stabilizátory pre polyméry a laserové médium do blízkej UV oblasti. Zlúčeniny všeobecného vzorca (I) sa přípravujú mo-; nodemetyláciou příslušného 3-(N,N-dimetyl- amino)-6-X-7-Y-8-Z-2H-l-benzopyrán-2-ónu působením UV žiarenia ( J. χ_>290 nm) za přítomnosti substituovanýcnxnitrobenzénov všeobecného vzorca (II).
CS88802A 1988-02-09 1988-02-09 Spůsob výroby 3-(N-metylamino)-6-X-7-Y-8-Z-2H-l- -benzopyrán-2-óňových zlúčenín CS276460B6 (sk)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CS88802A CS276460B6 (sk) 1988-02-09 1988-02-09 Spůsob výroby 3-(N-metylamino)-6-X-7-Y-8-Z-2H-l- -benzopyrán-2-óňových zlúčenín

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CS88802A CS276460B6 (sk) 1988-02-09 1988-02-09 Spůsob výroby 3-(N-metylamino)-6-X-7-Y-8-Z-2H-l- -benzopyrán-2-óňových zlúčenín

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CS80288A3 CS80288A3 (en) 1992-03-18
CS276460B6 true CS276460B6 (sk) 1992-06-17

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CS88802A CS276460B6 (sk) 1988-02-09 1988-02-09 Spůsob výroby 3-(N-metylamino)-6-X-7-Y-8-Z-2H-l- -benzopyrán-2-óňových zlúčenín

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CS80288A3 (en) 1992-03-18

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