Journal
NEW JOURNAL OF CHEMISTRY
Volume 45, Issue 32, Pages 14401-14405Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/d1nj01284c
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- Qingdao University of Science and Technology [010022841]
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The AgOAc/ip-FOXAP complex catalyzes the highly diastereo- and enantioselective 1,3-dipolar cycloaddition of azomethine ylides with benzosultam-3-ylidenes to produce a single isomer of the exo-cycloadduct in good yield. The presence of the C alpha-substituted group in azomethine ylides allows its coordination to the silver center, which is crucial for asymmetric reaction yield and exo-diastereoselection tuning.
The AgOAc/ip-FOXAP complex catalyzed the highly diastereo- and enantioselective 1,3-dipolar cycloaddition of azomethine ylides with benzosultam-3-ylidenes to give a single isomer of the exo-cycloadduct in good yield. For azomethine ylides, the presence of the C alpha-substituted group enables its coordination to the silver center, which is of dramatic importance for the asymmetric reaction yield and for tuning the exo-diastereoselection.
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