207113-58-4Relevant articles and documents
Synthesis of two pyranoquinolinones. What is the structure of cherimoline ?
Ajana, Wadi,Feliu, Lidia,Alvarez, Mercedes,Joule, John A.
, p. 4405 - 4412 (1998)
Ethyl quinolin-4-one-3-carboxylate has been converted in 4 steps into 4H-pyrano[3,4c]quinolin-4-one and 3-methoxyquinolin-4-one has been convened in 3 steps into 3H-pyrano[2,3c]quinolin-3-one. Neither of these tricyclic lactones corresponds to natural cherimoline.