Formation of Triazole and Isoxazole Derivatives from β-Substituted Pyridinium Salts

Formation of Triazole and Isoxazole Derivatives from β-Substituted Pyridinium Salts

Treatment of 1-methyl-3-(3-phenyl-1-triazenyl) pyridinium iodide (2a-e) with base gave triazole derivatives (3 and 4) with expulsion of the pyridine ring. Similarly, the reaction of 1-methyl-3-benzoylpyridinium oxime iodide (10a-c) with base afforded isoxazole derivatives. A possible mechanism for t...

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Veröffentlicht in:Chemical & pharmaceutical bulletin 1980/07/25, Vol.28(7), pp.2083-2088
Hauptverfasser: TANAKA, SHIGERU, WACHI, KAZUYUKI, TERADA, ATSUSUKE
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reaction mechanism
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container_issue 7
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container_title Chemical & pharmaceutical bulletin
container_volume 28
creator TANAKA, SHIGERU
WACHI, KAZUYUKI
TERADA, ATSUSUKE
description Treatment of 1-methyl-3-(3-phenyl-1-triazenyl) pyridinium iodide (2a-e) with base gave triazole derivatives (3 and 4) with expulsion of the pyridine ring. Similarly, the reaction of 1-methyl-3-benzoylpyridinium oxime iodide (10a-c) with base afforded isoxazole derivatives. A possible mechanism for the formation of these reaction products is discussed.
doi_str_mv 10.1248/cpb.28.2083
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source J-STAGE Free; Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals; Free Full-Text Journals in Chemistry
subjects reaction mechanism
title Formation of Triazole and Isoxazole Derivatives from β-Substituted Pyridinium Salts
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