2,2’-[(1,4-Dimethoxy-1,4-dioxobutane-2,3-diylidene)bis(azanylylidene)]bis(quinoline-3-carboxylic acid)

Autor:	Joanna Fedorowicz, Karol Gzella, Paulina Wiśniewska, Jarosław Sączewski
Jazyk:	angličtina
Rok vydání:	2019
Předmět:	[1 3]-h shift aza-michael addition dft calculations dimethyl acetylenedicarboxylate isoxazolo[3 4-b]quinolin-3(1h)-one Inorganic chemistry QD146-197
Zdroj:	Molbank, Vol 2019, Iss 4, p M1093 (2019)
Druh dokumentu:	article
ISSN:	1422-8599
DOI:	10.3390/M1093
Popis:	The title compound, 2,2’-[(1,4-dimethoxy-1,4-dioxobutane-2,3-diylidene)bis(azanylylidene)]bis(quinoline-3-carboxylic acid) was synthesized from isoxazolo[3,4-b]quinolin-3(1H)-one and dimethyl acetylenedicarboxylate (DMAD) via a double aza-Michael addition followed by [1,3]-H shifts. The product was characterized by infrared and nuclear magnetic resonance spectroscopy, as well as elemental analysis and high-resolution mass spectrometry (HRMS). The proposed reaction mechanism was rationalized by density functional theory (DFT) calculations.
Databáze:	Directory of Open Access Journals
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