First Stereoselective [4 + 2] Cycloaddition Reactions of 3-Cyanochromone Derivatives with Electron-Rich Dienes: An Approach to the ABC Tricyclic Frame of Arisugacin(1).

@article{Hsung1997FirstS,
  title={First Stereoselective [4 + 2] Cycloaddition Reactions of 3-Cyanochromone Derivatives with Electron-Rich Dienes: An Approach to the ABC Tricyclic Frame of Arisugacin(1).},
  author={Richard P. Hsung},
  journal={The Journal of organic chemistry},
  year={1997},
  volume={62 23},
  pages={7904-7905}
}