Journal
RSC ADVANCES
Volume 9, Issue 5, Pages 2703-2707Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c8ra09269a
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Funding
- NSFC [21402106]
- Shandong Natural Science Foundation [ZR2018JL013, ZR2014BQ024]
- Research Start-up Foundation of Qufu Normal University [bsqd20130115]
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4-(1H-Isochromen-1-yl) isoquinoline derivatives were synthesized in high yields via the AgBF4-catalyzed self-reaction of ortho-alkynylarylaldehydes to give isochromene intermediates, followed by the dehydration of the 1,5-dicarbonyl motif with NH3. Compared with electron-rich aromatic substituents, this strategy can provide the desired isochromene products with an electron-deficient isoquinoline unit. The reactions feature simple experimental operations, mild reaction conditions and high product yields.
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