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Neue Synthesen von 4,4′-Äthinylendiphenol (4,4′-Dihydroxytolan)

Two new syntheses of 4.4′-ethynylene diphenol

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Zusammenfassung

Es werden zwei neue Wege zur herstellung des 4,4′-Äthinylendiphenols beschrieben. Der erste beruht auf der Entmethylierung des Bis-(4-methoxyphenyl)acetylens, der zweite auf der Oxydation des 4,4′-Dihydroxybenzildihydrazons nach derCurtiusschen Methode.

Abstract

Two new syntheses of 4.4′-ethynylene diphenol are described: demethylation of bis-(4-methoxyphenyl)-acetylene, and oxidation of 4.4′-dihydroxybenzildihydrazone according toCurtius.

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Author notes

  1. J. Trpin

    Present address: Forschungslab. der Fa. Dr. Th. Schuchardt GmbH & Co., München

  2. B. G. Zupančič

    Present address: Kem. Institut Boris Kidrić, Ljubljana, Jugoslawien

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    1. J. Trpin
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    2. B. G. Zupančič
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    Trpin, J., Zupančič, B.G. Neue Synthesen von 4,4′-Äthinylendiphenol (4,4′-Dihydroxytolan). Monatshefte für Chemie 100, 114–120 (1969). https://doi.org/10.1007/BF00938245

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    • DOI: https://doi.org/10.1007/BF00938245

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