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- Title
Design, Synthesis and Characterization of Aurone Based α,β‐unsaturated Carbonyl‐Amino Ligands and their Application in Microwave Assisted Suzuki, Heck and Buchwald Reactions.
- Authors
Khan, Danish; Parveen, Iram; Shaily; Sharma, Saurabh
- Abstract
A new series of phosphine‐free aurone‐based α,β‐unsaturated carbonyl‐amino bidentate ligands have been synthesized and characterized via different analytical techniques such as IR, 1H‐NMR, 13C‐NMR and mass spectrometry. Moreover, the structure of ligand A6 was also characterized by single‐crystal X‐ray diffraction. The synthesized ligands (A1–A6) with the PdCl2 salt showed excellent catalytic activity in the Suzuki‐Miyaura, Mizoroki‐Heck and Buchwald‐Hartwig reactions. A broad range of substrates including heterocycles, chalcones and sterically hindered coupling partners are well tolerated in the developed protocol. Additionally, the metal complex formed in the catalytic cycle was characterized by 1H‐NMR spectroscopy and mass spectrometry.
- Subjects
HECK reaction; LIGANDS (Chemistry); MASS spectrometry; MICROWAVES; METALWORK
- Publication
Asian Journal of Organic Chemistry, 2022, Vol 11, Issue 1, p1
- ISSN
2193-5807
- Publication type
Article
- DOI
10.1002/ajoc.202100638