1,3-Dipolare Cycloadditionen von 3,4-Dihydro-6,7-dimethoxyisochinolinium-N-methoxycarbonylmethylid mit N-substituierten Maleinimiden |
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| Authors: | Gábor Tóth Thomas Tischer Zoltán Bende Gabriella Szejtli László Tőke |
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| Affiliation: | (1) Technische Analytische Forschungsgruppe, Ungarische Akademie der Wissenschaften, Technische Universität Budapest, H-1111 Budapest, Ungarn;(2) Lehrstuhl für Technologie der Organischen Chemie, Technische Universität Budapest, H-1521 Budapest, Ungarn;(3) REANAL, Fabrik für Laborchemikalien, H-1441 Budapest, Ungarn |
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| Abstract: | Summary 1,3-Dipolar cycloadditions of 3,4-dihydro-6,7-dimethoxyisoquinolinium-N-methoxycarbonylmethylide2 with N-phenyl- and N-methylmaleimide (3 and4) have been investigated. Cycloadducts of theendo- andexo-type were formed, the structure elucidation and conformational analysis of which has been performed by NMR methods. |
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| Keywords: | Pyrrolo[2,1-a]isoquinolines Azomethine ylides NMR Stereochemistry |
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