2-Azaaryl-1-methylpyridinium Halides: Aqueous-Soluble Activating Reagents for Efficient Amide Coupling in Water
2-Azaaryl-1-methylpyridinium Halides: Aqueous-Soluble Activating Reagents for Efficient Amide Coupling in Water
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2-氮杂芳基-1-甲基吡啶鎓卤化物:用于水中高效酰胺偶联的水溶性活化试剂
DOI:
10.1021/acssuschemeng.2c04989
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发表时间:
2022
影响因子:
8.4
通讯作者:
Do, Loi H.
中科院分区:
文献类型:
--
作者:
Nguyen, Hieu D.;Tran, Thi V.;Taylor, Christopher R.;Campbell, Dylan T.;Harkins, David I.;Do, Loi H.
In this work, a class of 2-azaaryl-1-methylpyridinium (AMPx) reagents capable of promoting amidation processes in 100% water is reported. The process mass intensity of theAMPx-promoted reactions is similar to or lower than that of reactions using conventional coupling reagents, which suggests that the former has potential as a green amide synthesis method. It was found that theN-methylimidazole-basedAMPim1could be used to couple a wide range of carboxylic acids with amines, including natural amino acids to form peptide bonds. Tandem oxidation–amidation and reduction–amidation reactions in the presence ofAMPim1were achieved with up to moderate efficiency. It is proposed that the azaarene inAMPxplays multiple roles in the amide bond forming process, including as a leaving group, activator, and base.
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影响因子:
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作者:
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通讯作者:
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影响因子:
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作者:
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DOI:
--
发表时间:
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期刊:
ACS Sustainable Chemistry & Engineering
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DOI:
--
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2021
期刊:
影响因子:
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作者:
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