Preparation method of benzenediol

A process for preparing benzenediol (pyro catechol or hydroquinone) features that under the existance of Ti-Si molecular sieve as catalyst, the phenol and the aqueous solution of H2O2 take part in reaction in inertial solvent at 60-78 deg for 3-7 hr. Its advantages are low cost and optimized reactio...

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Bibliographic Details
Main Authors MINGSEN ZHANG, BAOJUN WU, ZESHENG LIANG
Format Patent
LanguageEnglish
Published 16.04.2003
Edition7
Subjects
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Summary:A process for preparing benzenediol (pyro catechol or hydroquinone) features that under the existance of Ti-Si molecular sieve as catalyst, the phenol and the aqueous solution of H2O2 take part in reaction in inertial solvent at 60-78 deg for 3-7 hr. Its advantages are low cost and optimized reaction condition.
Bibliography:Application Number: CN2001136042