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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Tóth, G., Tischer, T., Bende, Z. et al. 1,3-Dipolare Cycloadditionen von 3,4-Dihydro-6,7-dimethoxyisochinolinium-N-methoxycarbonylmethylid mit N-substituierten Maleinimiden. Monatsh Chem 121, 529–537 (1990). https://doi.org/10.1007/BF00810862
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DOI: https://doi.org/10.1007/BF00810862