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Regiodivergent synthesis of functionalized pyrimidines and imidazoles through phenacyl azides in deep eutectic solvents.


ABSTRACT: We report that phenacyl azides are key compounds for a regiodivergent synthesis of valuable, functionalized imidazole (32-98% yield) and pyrimidine derivatives (45-88% yield), with a broad substrate scope, when using deep eutectic solvents [choline chloride (ChCl)/glycerol (1:2 mol/mol) and ChCl/urea (1:2 mol/mol)] as environmentally benign and non-innocent reaction media, by modulating the temperature (25 or 80 °C) in the presence or absence of bases (Et3N).

SUBMITTER: Vitale P 

PROVIDER: S-EPMC7418094 | biostudies-literature | 2020

REPOSITORIES: biostudies-literature

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Regiodivergent synthesis of functionalized pyrimidines and imidazoles through phenacyl azides in deep eutectic solvents.

Vitale Paola P   Cicco Luciana L   Cellamare Ilaria I   Perna Filippo M FM   Salomone Antonio A   Capriati Vito V  

Beilstein journal of organic chemistry 20200805


We report that phenacyl azides are key compounds for a regiodivergent synthesis of valuable, functionalized imidazole (32-98% yield) and pyrimidine derivatives (45-88% yield), with a broad substrate scope, when using deep eutectic solvents [choline chloride (ChCl)/glycerol (1:2 mol/mol) and ChCl/urea (1:2 mol/mol)] as environmentally benign and non-innocent reaction media, by modulating the temperature (25 or 80 °C) in the presence or absence of bases (Et<sub>3</sub>N). ...[more]

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