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Photocycloaddition of 2,3-dimethylmaleimide to selenophene and 3,4-dimethylselenophene

Photocycloaddition von 2,3-Dimethylmaleimid an Selenophen und 3,4,-Dimethylselenophen

  • Organische Chemie Und Biochemie
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Monatshefte für Chemie / Chemical Monthly Aims and scope Submit manuscript

Summary

The benzophenone sensitized photocycloaddition of 2,3-dimethylmaleimide to selenophene and 3,4-dimethylselenophene was carried out first to generalize the photoaddition reaction of methylmaleic anhydride derivatives to selenophene, using this time the nitrogen analogue, and second to reexamine the composition of the product mixture formed in the reaction. It was found that in adition to the 1:1 adduct isolated in previous investigations, three geometrical isomers may be proposed for the 2:1 adduct (two molecules of maleimide of one of selenophene or its methyl derivative).

Zusammenfassung

Die benzophenonsensitivierte Photocycloaddition von 2,3-Dimethylmaleimid an Selenophen und 3,4-Dimethylselenophen wurde durchgeführt, um erstens die Photoadditionsreaktionen von Methylmaleinsäureanhydridderivaten an Selenophen allgemein zu studieren und um zweitens die Zusammensetzung der bei der Reaktion gebildeten Produktgemische erneut zu untersuchen. Zusätzich zu dem bei früheren Arbeiten gefundenen 1:1-Addukt werden drei geometrische Isomere für das 2:1 — Addukt (2 Moleküle Maleimid und 1 Molekül Selenophen oder 3,4-Dimethylselenophen) vorgeschlagen.

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Authors and Affiliations

  1. Centro de Quimica, Instituto Venezolano de Investigaciones Cientificas I.V.I.C., 1020-A, Caracas, Venezuela

    C. Rivas, F. Vargas, A. Torrealba, D. Pacheco, R. Machado & G. Aguiar

Authors
  1. C. Rivas
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  2. F. Vargas
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  3. A. Torrealba
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  4. D. Pacheco
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  5. R. Machado
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  6. G. Aguiar
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Rivas, C., Vargas, F., Torrealba, A. et al. Photocycloaddition of 2,3-dimethylmaleimide to selenophene and 3,4-dimethylselenophene. Monatsh Chem 125, 1153–1158 (1994). https://doi.org/10.1007/BF00811523

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  • DOI: https://doi.org/10.1007/BF00811523

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