[3+3] Cyclocondensation of 1-alkyl-substituted 3,4-dihydroisoquinolines with 2-aminomethylenecycloalkane-1,3-diones or aminomethylene malonates: A novel annelation reaction in the series of cyclic Schiff's bases |
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| Authors: | O V Gulyakevich A L Mikhal'chuk A A Akhrem |
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| Institution: | (1) Institute of Bioorganic Chemistry, Academy of Sciences of Belarus, 5/2 ul. Zhodinskaya, 220141 Minsk, Belarus |
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| Abstract: | A new approach to the construction of polycyclic skeletons of fused azines with nitrogen at the bridgehead based on a novel
reaction of cyclic Schiff's bases (1-alkyl-substituted 3,4-dihydroisoquinolines) with α-aminomethylenecarbonyl compounds (2-aminomethylene-cyclohexane-1,3-diones
or aminomethylenemalonic ester) was developed.
Translated fromIzvestiya Akademii Nauk. Seriya Khimicheskaya, No. 7, pp. 1358–1360, July, 1997. |
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| Keywords: | cyclic Schiff's bases azomethines 1-alkyl-3 4-dihydroisoquinolines enamines aminoenones β -aminoacrylates 2-aminomethylenecyclohexane-1 3-diones aminomethylene malonates benzo[a]quinolizines dibenzo[a f]quinolizinium chlorides d-homogonanium chlorides" target="_blank">8-aza-d-homogonanium chlorides 8-azasteroids [3+3]cyclocondensation annelation |
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