Tetrahedron p. 1253 - 1262 (1990)
Update date:2022-08-05
Topics:
Duval
Mavoungou Gomes
A convenient carboxy-7 benzo[c]phenanthridones synthesis is described. (Furyl-2)-2 tetralones-1 1 react with dimethylacetylenedicarboxylate to give dienic adducts 2. Aromatisation of 2 yields phtalic derivatives 3 which are further O-methylated, hydrolysed in alcaline solution and deshydrated into anhydrides 4. Lactamisation of 4 in the presence of ammonium acetate and in anhydrous acetic medium.
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Doi:10.1002/anie.201007128
(2011)Doi:10.1002/pola.24635
(2011)Doi:10.1055/s-1990-26827
(1990)Doi:10.1021/ja200283n
(2011)Doi:10.1039/c7ra06390c
(2017)Doi:10.1055/s-0030-1259074
(2010)
