Journal
JOURNAL OF ORGANIC CHEMISTRY
Volume 87, Issue 15, Pages 9507-9517Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acs.joc.2c00448
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Funding
- National Natural Science Foundation of China [22001010]
- Anhui Provincial Natural Science Foundation [1908085QB55]
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An organocatalytic Michael/aza-Michael cascade reaction was developed for the synthesis of functionalized quinolizine scaffolds with high yields, excellent diastereoselectivity, and E/Z selectivity. This methodology involves the [3 + 3] annulation of 2-pyridylacetates with nitroenynes through dearomative strategy under mild conditions. The versatility of late-stage derivatizations further demonstrates the synthetic utility of this approach.
An organocatalytic Michael/aza-Michael cascade reaction was developed to build the functionalized quinolizine scaffolds in 60-82% yields, excellent diastereoselectivities, and E/Z selectivities. This protocol involves the [3 + 3] annulations of 2-pyridylacetates with nitroenynes through the dearomative strategy in the presence of an organic base under mild conditions. The versatile late-stage derivatizations further demonstrated the synthetic utility of this methodology.
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