Caffeic and coumaric acid esters from Calystegia soldanella.

@article{Tori2000CaffeicAC,
  title={Caffeic and coumaric acid esters from Calystegia soldanella.},
  author={Motoo Tori and Yoshihiro Ohara and Katsuyuki Nakashima and Masakazu Sono},
  journal={Fitoterapia},
  year={2000},
  volume={71 4},
  pages={353-9}
}
Esters of trans-4-hydroxycinnamic acid, cis-4-hydroxycinnamic acid and trans-3,4-dihydroxycinnamic acid with long-chain alcohols (n=15-20), were isolated from the stems of Calystegia soldanella.