Synthesis of 6H‐Dibenzo[b,d]pyran‐6‐ones Using the Inverse Electron Demand Diels—Alder Reaction.

@article{Pottie2012SynthesisO6,
  title={Synthesis of 6H‐Dibenzo[b,d]pyran‐6‐ones Using the Inverse Electron Demand Diels—Alder Reaction.},
  author={I. Pottie and Penchal Reddy Nandaluru and Wendy L. Benoit and David O. Miller and Louise N Dawe and G. Bodwell},
  journal={ChemInform},
  year={2012},
  volume={43}
}
In some cases, the dihydro analogues are obtained which can smoothly be converted into the title compounds by treatment with DDQ. 
1 Citations
Syntheses of Benzo[c]Chromen-6-ones by Palladium Catalyzed C–H Bond Activation using Diazonium Salts
TLDR
An efficient palladium catalyzed C-H bond activation for the synthesis of benzo[c]chromen-6-ones using diazonium salts is described, prepared in excellent yields through two different methods. Expand

References

Synthesis of 6H-dibenzo[b,d]pyran-6-ones using the inverse electron demand Diels-Alder reaction.
A set of coumarin-fused electron-deficient 1,3-dienes was synthesized, which differ in the nature of the electron-withdrawing group (EWG) at the terminus of the diene unit and (when EWG = CO(2)Me)Expand