Expeditious synthesis of pyrano[2,3,4-de]quinolines via Rh(iii)-catalyzed cascade C–H activation/annulation/lactonization of quinolin-4-ol with alkynes?
Chemical Communications Pub Date: 2017-06-21 DOI: 10.1039/C7CC04113F
Abstract
Rh(III)-catalyzed cascade C–H activation/annulation/lactonization of quinoline-4-ols and alkynes has been reported. A broad range of tetracyclic pyrano[2,3,4-de]quinolines have been prepared in one-step with good functional group tolerance, excellent site selectivity, and high efficiency.
![Graphical abstract: Expeditious synthesis of pyrano[2,3,4-de]quinolines via Rh(iii)-catalyzed cascade C–H activation/annulation/lactonization of quinolin-4-ol with alkynes](http://scimg.chem960.com/usr/1/C7CC04113F.jpg)
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Journal Name：Chemical Communications
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CAS no.: 89640-58-4
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