1966
DOI: 10.1002/ardp.19662990207
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Reaktionen mit Chelidonsäure III. Über Umsetzungen von Pyranyliden‐carbonsäurederivaten mit Diaminen. 10. Mitt. über Untersuchungen an γ‐Pyronen

Abstract: Reuktionen mit Chdidonsiiure ZZZ 139 289. Bd. rees/zS p e k t r e n zu Tab. 2 1.6 ml VIII in Aceton (0,00408 mg/ml) wurden mit 1 Tr. 0,5 n methanol. KOH versetat.Schichtdicke 0,4 cm.2.100 mg VIII in 20 ml Athmol warm geliist, mit 2 Tr. Piperidin versetat. Schichtdicke 0,2 om.3.100 mg VLII und 100 mg XI1 in 20 ml Athanol warm gelast, mit 2 Tr. Piperidin ver-&at. Schichtdicke 0,2 cm. Es tritt schnell Trtibung, Verfiirbung und Kristalliaation ein.4.100 mg XIV in 10 ml Athano1 warm gelht, mit 3 Tr. Piperidin verse… Show more

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Cited by 10 publications
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“…Among them, examples of pyrido[1,2- a ]quinoxaline derivatives are rare and oxidized salt forms are unknown . Syntheses of a few known closely related quinoxalines involve multiple steps. , In this manuscript, we report the single-step Cu II -mediated synthesis of a previously unknown pyrido[1,2- a ]quinoxalinylium derivative ([ 1 ] + ) and its structure (Scheme ). The controlled reaction has been used to understand the role of metal ion in the reaction.…”
mentioning
confidence: 99%
“…Among them, examples of pyrido[1,2- a ]quinoxaline derivatives are rare and oxidized salt forms are unknown . Syntheses of a few known closely related quinoxalines involve multiple steps. , In this manuscript, we report the single-step Cu II -mediated synthesis of a previously unknown pyrido[1,2- a ]quinoxalinylium derivative ([ 1 ] + ) and its structure (Scheme ). The controlled reaction has been used to understand the role of metal ion in the reaction.…”
mentioning
confidence: 99%