Regioselective Zn(OAc)2-catalyzed azide-alkyne cycloaddition in water: The green click-chemistry

Maria A. Morozova, Mekhman S. Yusubov, Bohumil Kratochvil, Václav Eigner, Alexander A. Bondarev, Akira Yoshimura, Akio Saito, Viktor V. Zhdankin, Marina E. Trusova, Pavel S. Postnikov

Результат исследований: Материалы для журналаСтатья

12 Цитирования (Scopus)

Аннотация

A new method of azide-alkyne cycloaddition (AAC) in the presence of Zn(OAc)2 as an inexpensive and environmentally friendly catalyst in neat water has been developed. The proposed methodology has been applied for the synthesis of 1,4-disubstituted-1,2,3-triazoles from terminal alkynes and 1,4,5-trisubstituted-1,2,3-triazoles from internal alkynes. It has been found that Zn-catalyzed AAC is extremely sensitive to steric hindrance in acetylenes and a method of regioselective triazole ring formation has been proposed. Particularly important is the isolation and characterization of a relatively stable Zn-containing intermediate, which has been characterized by NMR and HRMS.

Язык оригиналаАнглийский
Страницы (с-по)978-985
Число страниц8
ЖурналOrganic Chemistry Frontiers
Том4
Номер выпуска6
DOI
СостояниеОпубликовано - 1 июн 2017

ASJC Scopus subject areas

  • Organic Chemistry

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