Exploration on Clean Synthesis of Diphenylmethane Using Ionic Liquid: A Subtle Catalysis

Asian Journal of Organic & Medicinal Chemistry Pub Date : 2022-01-01 DOI:10.14233/ajomc.2022.ajomc-p393
V. Dhumal, S. Shingote, V. Rane, Akshay Bhandare, K. Tayade, A. Kelkar
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Abstract

In present work, Friedal-Craft alkylation of benzene using benzyl alcohol and dibenzyl ether (DBE) has been investigated using Brønsted acidic ionic liquid as a catalyst. It results in 99% conversion of benzyl alcohol, depicting 61% selectivity towards diphenylmethane (DPM) using [CSO3Hmim][La(CF3SO3)4] as a catalyst within 18 h. Using the same catalyst, 62% selectivity towards DPM has been obtained with DBE as benzylating agent within 16 h. Effect of various reaction conditions on the activity and selectivity was investigated using [C3SO3Hmim][La(CF3SO3)4] as a catalyst with DBE as benzylating agent.
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离子液体催化清洁合成二苯基甲烷的探索
本文以Brønsted酸性离子液体为催化剂，研究了苯醇和二苄基醚(DBE)催化苯的弗里达- craft烷基化反应。以[CSO3Hmim][La(CF3SO3)4]为催化剂，18 h内苯甲醇的转化率为99%，对二苯甲烷(DPM)的选择性为61%。以DBE为苄基化剂，16 h内对二苯甲烷的选择性为62%。以[C3SO3Hmim][La(CF3SO3)4]为催化剂，以DBE为苄基化剂，考察了不同反应条件对活性和选择性的影响。
本文章由计算机程序翻译，如有差异，请以英文原文为准。
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Asian Journal of Organic & Medicinal Chemistry
Asian Journal of Organic & Medicinal Chemistry
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