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Synthesen von heterocyclen, 129. Mitt.: Ein Beitrag zum Indolonproblem (1969)

Ziegler, E. ; Werner, L. F. ; Kappe, Th.

Springer

Monatshefte für Chemie 100 (1969), S. 610-615

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ISSN: 1434-4475

Source: Springer Online Journal Archives 1860-2000

Topics: Chemistry and Pharmacology

Description / Table of Contents: Abstract o-Methylamino-phenylglyoxal dimethyl acetal9, obtained by a three step synthesis starting with 4-hydroxy-1-methyl-2-quinolone, gives N,N′-dimethyl-indigo10, if hydrolyzed under acid catalysis. The formation of10 is discussed in view of the “indolon problem”.

Notes: Zusammenfassung o-Methylamino-phenylglyoxal-dimethylacetal (9), welches aus 4-Hydroxy-1-methyl-carbostyril in dreistufiger Reaktionsfolge zugänglich ist, gibt bei saurer Hydrolyse N,N′-Dimethylindigotin (10). Die Bildungsweise von10 wird im Hinblick auf das Indolonproblem diskutiert.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1007/BF00904110

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