2008
DOI: 10.1007/s00706-008-0923-3
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An ionic liquid as reaction medium for the synthesis of halo-containing β-enaminones at room temperature

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Cited by 15 publications
(10 citation statements)
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“…The chemical shift of the enamino hydrogen (NH) was observed at 10–12 ppm, which further confirms the Z ‐configuration for the enaminones 2a , 2b , 2c . This configuration is stabilized by the intramolecular hydrogen bond between the NH and the carbonyl oxygen [13, 18]. The E ‐configuration of enaminones 2d , 2e was determined by X‐ray diffraction.…”
Section: Resultsmentioning
confidence: 99%
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“…The chemical shift of the enamino hydrogen (NH) was observed at 10–12 ppm, which further confirms the Z ‐configuration for the enaminones 2a , 2b , 2c . This configuration is stabilized by the intramolecular hydrogen bond between the NH and the carbonyl oxygen [13, 18]. The E ‐configuration of enaminones 2d , 2e was determined by X‐ray diffraction.…”
Section: Resultsmentioning
confidence: 99%
“…The reactivity of β‐alkoxyvinyl dichloromethyl ketones with amines to obtain enaminones and reactions with different hydrazines in an attempt to obtain the respective 5‐dichloromethylpyrazoles and 5‐dichloromethylpyrazolium has not yet been studied. There is only one report in the literature concerning the reactivity of these compounds with hydroxylamine, and scarce reports on their reaction with amines [13].…”
Section: Introductionmentioning
confidence: 99%
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“…[137][138][139][140][141][142][143][144][145][146][147][148][149] Foram utilizados por esse grupo, principalmente, os derivados de 4-alcoxi-1,1,1-tricloro-alquen-2-onas, que, conforme já mencionado, são reagentes de larga versatilidade. Mais recentemente, o mesmo grupo desenvolveu novas metodologias sintéticas utilizando energia de micro-ondas e ultrassom.…”
Section: Heterociclos Contendo -Cxunclassified