Synthesis of TMBQ with transition metal-containing molecular sieve as catalysts
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United States of America Patent
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Dec 31, 2002
Grant Date -
Oct 3, 2002
app pub date -
Jul 25, 2001
filing date -
Jan 3, 2001
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Abstract
A method of oxidizing trimethylphenol (TMP) to trimethylbenzoquinone (TMBQ) by various molecular sieves containing various transition metals. In this method, TMP, a molecular sieve containing a transition metal in its framework, an oxidant and a solvent are mixed together to form a reaction system. The reaction system reacting at a temperature of about room temperature to 150.degree. C. to obtain TMBQ, and the concentration of TMP is about 5-60% wt.
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