Electronic Resource
Springer
Chemistry of heterocyclic compounds
7 (1971), S. 309-312
ISSN:
1573-8353
Source:
Springer Online Journal Archives 1860-2000
Topics:
Chemistry and Pharmacology
Notes:
Abstract It is shown that the condensation of 2,3-dichloro-p-benzoquinone with N-alkyl(aryl)-β-aminocrotonic acid esters leads, depending on the conditions and the nature of the substituent attached to the nitrogen of the aminocrotonic ester, either to substituted dichlorohydroquinones or to 5-hydroxy-6,7-dichloroindole derivatives. The latter are oxidized by nitric acid to the corresponding o-quinones.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1007/BF00944409
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