4.2 Article

The Catalytic Efficiency of Isosteviol Derived Bifunctional Primary Amine-Squaramide on Michael Additions of Acetophenone to Nitroalkenes

Journal

LETTERS IN ORGANIC CHEMISTRY
Volume 19, Issue 8, Pages 677-681

Publisher

BENTHAM SCIENCE PUBL LTD
DOI: 10.2174/1570178619666220112124054

Keywords

Isosteviol; asymmetric catalysis; organocatalyst; squaramide; michael reaction; nitroalkenes

Funding

  1. National Natural Science Foundation of China [NSFC 51403053]
  2. Natural Science Foundation of Henan province [202300410188, 212300410152]

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This study demonstrates the application of isosteviol-derived bifunctional primary amine-squaramide organocatalysts in the Michael addition reaction between nitroalkenes and acetophenone, yielding high yields and good enantioselectivity at room temperature.
The isosteviol derived bifunctional primary amine-squaramide organocatalysts were applied in the Michael addition between nitroalkenes and acetophenone. The conjugate addition isomers of two configurations were observed with high yields (up to 93% yield) and good enantioselectivity (up to 91% ee) at room temperature.

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