Journal
ACS CATALYSIS
Volume 7, Issue 5, Pages 3142-3146Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acscatal.7b00320
Keywords
organocatalysis; asymmetric catalysis; annulation; MBH carbonate; pyrazolinone
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Funding
- NSFC [21372256, 21572264]
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A Lewis-base-catalyzed enantioselective [3 + 3] annulation reaction of Morita-Baylis-Hillman (MBH) carbonates with alpha-arylidene pyrazolinones is described, affording the pyrazolone-fused spirocyclohexenes bearing an all-carbon quaternary stereocenter in high yields with good to excellent diastereoselectivities and excellent enantioselectivities.
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