(1Z, 3Z)-4-ARYL-4-HYDROXY-1-(3,3-DIALKYL-3,4-DIHYDROISOQUINOLIN-1(2H)-YLIDENE)BUT-3-EN-4-ONES AND SYNTHESIS METHOD THEREOF Russian patent published in 2011 - IPC C07D217/24 C07D217/12 G01N21/64 

Abstract RU 2417221 C1

FIELD: chemistry.

SUBSTANCE: present invention relates to organic chemistry, specifically to novel derivatives of 3,4-dihydroisoquinoline of general formula III where: R=H, Alk1=Alk2=Me, Ar=Ph (a), Ar=C6H4Me-n (b), Alk1Me, Alk2=Bu, Ar=Ph (c), Ar=C6H4Me-n (d), R=OMe, Alk1=Alk2=Me, Ar=Ph (e), Ar=C6H4Me-n (f), R=OEt, Alk1=Alk2=Me, Ar=Ph (g) The invention also relates to a method of producing compounds of general formula III, involving reaction of 6-aryl-2,2-dimethyl-4H-1,3-dioxin-4-ones with 3,3-dialkyl-3,4-dihydroisoquinolines in an absolute toluene medium at temperature 108-110°C, followed by extraction of the desired product.

EFFECT: obtaining novel derivatives of 3,4-dihydroisoquinoline of general formula III, having fluorescent properties, which are resistant to UV light.

4 cl, 8 ex

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RU 2 417 221 C1

Authors

Konovalova Valerija Vladislavovna

Maslivets Andrej Nikolaevich

Shkljaev Jurij Vladimirovich

Dates

2011-04-27Published

2009-11-02Filed