Tetrahedron p. 4405 - 4412 (1998)
Update date:2022-07-30
Topics:
Ajana, Wadi
Feliu, Lidia
Alvarez, Mercedes
Joule, John A.
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.
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