HETEROCYCLIC ANALOGS OF 5,12-NAPHTHACENEQUINONE. 4. SYNTHESIS OF 4,11-DIMETHOXYANTHRA[2,3-<i>d</i>]ISOXAZOLE-5,10-DIONE
DOI:
https://doi.org/10.1007/7829Keywords:
acetone oxime, 3-chloro-1, 4-dimethoxy-9, 10-anthracenedione-2-carbaldehyde, 4, 11-dimethoxyanthra[2, 3-d]isoxazole-5, 10-dione, nucleophilic aromatic substitution, transoximationAbstract
A preparative synthetic method has been developed for 3-chloro-2-formyl-1,4-dimethoxyanthraquinone starting from available 2-methylquinizarine. The condensation of the α-chloroaldehyde obtained with acetone oxime gives 4,11-dimethoxyanthra[2,3-d]isoxazole-5,10-dione.How to Cite
Shchekotikhin, A. E.; Luzikov, Yu. N.; Buyanov, V. N.; Preobrazhenskaya, M. N. Chem. Heterocycl. Compd. 2006, 42, 1236. [Khim. Geterotsikl. Soedin. 2006, 1421.]
For this article in the English edition see DOI 10.1007/s10593-006-0232-x