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Direct heterocyclization of tetrahydroisoquinolin-1-ylideneacetic acids by the action of 5-arylfuran-2,3-diones |
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| Authors: | Khalturina V. V. Shklyaev Yu. V. Aliev Z. G. Maslivets A. N. |
| Affiliation: | 1.Institute of Technical Chemistry, Ural Division, Russian Academy of Sciences, Perm, Russia ;2.Institute of Chemical Physics Problems, Russian Academy of Sciences, Chernogolovka, Moscow oblast, Russia ;3.Perm State University, ul. Bukireva 15, Perm, 614990, Russia ; |
| Abstract: | Aroylketenes generated in situ by thermolysis of 6-aryl-2,2-dimethyl-4H-1,3-dioxin-4-ones reacted with 3,3-dialkyl-1-methyl-3,4-dihydroisoquinolines to give (1Z,3Z)-4-aryl-4-hydroxy-1-[3,3-dialkyl-3,4-dihydroisoquinolin-1(2H)-ylidene]but-3-en-4-ones. The crystalline and molecular structure of (1Z,3Z)-4-hydroxy-1-[6,7-dimethoxy-3,3-dimethyl-3,4-dihydroisoquinolin-1(2H)-ylidene]-4-phenylbut-3-en-2-one was studied by X-ray diffraction. |
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