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Digitale Medien

Unerwartete Diels-Alder- und Oxidations-Reaktionen von Benzo[c]thiophenen (1990)

Volz, Wolfgang ; Voß, Jürgen ; Adiwidjaja, Gunadi

Weinheim : Wiley-Blackwell

Berichte der deutschen chemischen Gesellschaft 123 (1990), S. 2065-2068

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Details

ISSN: 0009-2940

Schlagwort(e): Benzo[c]thiophenes ; Oxidation ; Quinones ; Sulfines ; Diels-Alder reaction ; Chemistry ; Inorganic Chemistry

Quelle: Wiley InterScience Backfile Collection 1832-2000

Thema: Chemie und Pharmazie

Notizen: Unexpected Diels-Alder and Oxidation Reactions of Benzo[c]thiophenesThe oxidation of thiophenes by peracids to form thiophene S-oxides could not be carried out with benzo[c]thiophenes. With the sterically hindered compound 1a the quinones 2 and 3 were produced whereas the anisyl-substituted derivative 1b formed the sulfine 5. Significantly different behaviour of 1a and 1b was also observed for the Diels-Alder reaction with N-phenylmaleimide. The unexpected and unusual adduct 6 was the only product formed from 1a, with low yield though, whereas the normal Diels-Alder adduct was obtained from 1b.

Zusätzliches Material: 1 Ill.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1002/cber.19901231019

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