Development of highly efficient Friedel-Crafts alkylations with alcohols using heterogeneous catalysts under continuous-flow conditions

The development of Friedel-Crafts alkylations with alcohols under continuous-flow conditions using heterogeneous catalysts is reported. The reactivities and durabilities of the examined catalysts were systematically investigated, which showed that montmorillonite clay is the best catalyst for these...

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Bibliographic Details
Published in:RSC advances 2021-07, Vol.11 (39), p.24424-24428
Main Authors: Masuda, Koichiro, Okamoto, Yukiko, Onozawa, Shun-ya, Koumura, Nagatoshi, Kobayashi, Sh
Format: Article
Language:English
Subjects:
Alcohols
Alkylation
Catalysts
Chemistry
Continuous flow
Friedel-Crafts reaction
Montmorillonite
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Summary:The development of Friedel-Crafts alkylations with alcohols under continuous-flow conditions using heterogeneous catalysts is reported. The reactivities and durabilities of the examined catalysts were systematically investigated, which showed that montmorillonite clay is the best catalyst for these reactions. A high turnover frequency of 9.0 × 10 2 h −1 was recorded under continuous-flow conditions, and the continuous operation was successfully maintained over one week. Efficient and highly durable catalysts were developed for Friedel-Crafts alkylation using alcohols under continuous flow conditions.
ISSN:2046-2069
2046-2069
DOI:10.1039/d1ra04005g