2007
DOI: 10.1590/s0103-50532007000800006
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A solvent-free synthesis of beta-enamino trihalomethyl ketones

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Cited by 17 publications
(12 citation statements)
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“…This reaction furnishes a,b-unsaturated trihalomethylated ketones an important chemical intermediate for heterocyclic synthesis [1] and for enaminone synthesis [25].…”
Section: Resultsmentioning
confidence: 99%
“…This reaction furnishes a,b-unsaturated trihalomethylated ketones an important chemical intermediate for heterocyclic synthesis [1] and for enaminone synthesis [25].…”
Section: Resultsmentioning
confidence: 99%
“…The most convenient method for constructing trifluoromethylated compounds is to use fluoro-containing building blocks as starting reagents [12]. Since enones 1 are well known as versatile synthetic precursors for the preparation of fluorinated heterocycles [12], the aim of this paper is to report the results of the study of the 1,3-dipolar cycloaddition reaction of alkyl-, aryl-and heteroaryl-substituted enones 1 with 2,6-difluorobenzyl azide, under thermal solvent-free conditions that are efficient, environmentally friendly, and inexpensive.…”
Section: Page 3 Of 23mentioning
confidence: 99%
“…Since enones 1 are well known as versatile synthetic precursors for the preparation of fluorinated heterocycles [12], the aim of this paper is to report the results of the study of the 1,3-dipolar cycloaddition reaction of alkyl-, aryl-and heteroaryl-substituted enones 1 with 2,6-difluorobenzyl azide, under thermal solvent-free conditions that are efficient, environmentally friendly, and inexpensive. We present the obtainment of a new series of 1H-1,2,3-triazoles with good yields and as pure or separable mixtures of 4-trifluoroacetyl or 5-trifluormethyl substituted triazoles (regioisomers I and II, respectively - Fig.…”
Section: Page 3 Of 23mentioning
confidence: 99%
“…[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