Hexyltriphenylphosphonium Bromide as an Absolutely Chemoselective Ionic Liquid Catalyst in the Three‐Component Reaction of Aryl Aldehydes, Acetophenones and Malononitrile,ChemistrySelect

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Hexyltriphenylphosphonium Bromide as an Absolutely Chemoselective Ionic Liquid Catalyst in the Three‐Component Reaction of Aryl Aldehydes, Acetophenones and Malononitrile
ChemistrySelect ( IF 1.9 ) Pub Date : 2019-05-28 , DOI: 10.1002/slct.201901076
Kiumars Bahrami ₁ , Mohammad M. Khodaei ₁ , Nasim Batooie ₁ , Nouraddin Hosseinzadeh ₂ , Alireza Foroumadi ₃

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Hexyltriphenylphosphonium bromide (HTPB) is used as an efficient ionic liquid catalyst in the chemoselective addition of malononitrile to carbonyl group moiety of chalcones through the three‐component reaction of aryl aldehydes, acetophenone derivatves, and malononitrile to produce (E)‐2‐(1,3‐diarylallylidene)malononitriles at ambient temperature. The method is simple, solvent‐free, environmentally friendly, and gives excellent yields in a short reaction times.

中文翻译：

己基三苯基溴化as在芳醛，苯乙酮和丙二腈三组分反应中是绝对化学选择性的离子液体催化剂

Hexyltriphenylphosphonium溴（HTPB）被用作在通过芳基醛，苯乙酮derivatves的三组分反应的化学选择性加成到丙二腈的查耳酮的羰基结构部分的一个有效的离子液体催化剂，和丙二腈以产生（ë）-2-（1- ，3-二芳基亚芳基）丙二腈在环境温度下。该方法简单，无溶剂，环境友好，并且在较短的反应时间内可提供出色的收率。

更新日期：2019-05-28

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