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Alkylation of Toluene with Methanol (II)

Kimio Tarama, Satohiro Yoshida, Yukio Katayama, Tadakatsu Bitoh

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Abstract

The acidic properties of some solid acid catalysts were measured by Tamele's titration method with indicators of pKa=3.3, 1.5 and -3.0, and by ESR method. These properties were compared with the catalytic activities for the alkylation of toluene with methanol. These results revealed that acidic sites measured with indicator of pKa=1.5 were active centers for this alkylation reaction, and that they were mainly Brönsted acid sites.

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The acidic properties of some solid acid catalysts were measured by Tamele's titration method with indicators of pKa=3.3, 1.5 and -3.0, and by ESR method. These properties were compared with the catalytic activities for the alkylation of toluene with methanol. These results revealed that acidic sites measured with indicator of pKa=1.5 were active centers for this alkylation reaction, and that they were mainly Brönsted acid sites.

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Available abstract

The acidic properties of some solid acid catalysts were measured by Tamele's titration method with indicators of pKa=3.3, 1.5 and -3.0, and by ESR method. These properties were compared with the catalytic activities for the alkylation of toluene with methanol. These results revealed that acidic sites measured with indicator of pKa=1.5 were active centers for this alkylation reaction, and that they were mainly Brönsted acid sites.

Key concepts: Alkylation, Toluene, Methanol, Titration, Catalysis, Chemistry, Organic chemistry, Nuclear chemistry

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