
Heterocycles p. 2377 - 2384 (1999)
Update date:2022-07-29
Topics:
Mohri, Kunihiko
Kanie, Akihiko
Horiguchi, Yoshie
Isobe, Kimiaki
A synthesis of 4-quinolone-3-carboxylic acids (8) was achieved by pyrolysis of 4,5-dimethoxycarbonyl-1-aryl-1H-pyrrole-2,3-diones (3) followed by selective demethoxycarbonylation of the resulting 2,3-dimethoxycarbonyl-4- quinolones (4) in excellent overall yields.
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Doi:10.1007/s11172-020-2724-8
(2020)Doi:10.1016/S0960-894X(99)00478-3
(1999)Doi:10.1021/jm9903500
(1999)Doi:10.1007/BF02029954
(1996)Doi:10.1055/s-1996-4289
(1996)Doi:10.1021/ic960107g
(1996)