2005
DOI: 10.1016/j.tet.2005.05.072
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Ionic liquid soluble photosensitizers

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Cited by 15 publications
(10 citation statements)
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“…11 on the solubility of the starting material in an ionic liquid has been reported for the attempted triplet-sensitised photolysis of myrcene. 17 Likewise, benzaldehyde and crotonaldehyde gave the desired acylated hydroquinones 3k and l in moderate yields and selectivities. For recycling purposes, the purity of the ILs was investigated by NMR spectroscopy after irradiation and work-up.…”
Section: Scheme 1 Photoacylation Of 14-naphthoquinone With Butyraldementioning
confidence: 98%
“…11 on the solubility of the starting material in an ionic liquid has been reported for the attempted triplet-sensitised photolysis of myrcene. 17 Likewise, benzaldehyde and crotonaldehyde gave the desired acylated hydroquinones 3k and l in moderate yields and selectivities. For recycling purposes, the purity of the ILs was investigated by NMR spectroscopy after irradiation and work-up.…”
Section: Scheme 1 Photoacylation Of 14-naphthoquinone With Butyraldementioning
confidence: 98%
“…We combined a known TPE derivative with two nitrogen-containing chiral auxiliaries in order to provide novel chiral sensors. Treatment of TPE derivative 3, 14,16,[32][33][34] and optically pure compounds 4 and 5 resulted in the formation of chiral sensors 6 and 7 (Scheme 1). 26 Details of the synthesis and characterization are provided in the "Experimental" section.…”
Section: Synthesis Of the Sensorsmentioning
confidence: 99%
“…Compound 3 was synthesized according to the reported procedure. 14,16,[32][33][34] To a flask was added 3 (460 mg, 0.80 mmol), S-4 (440 mg, 3.20 mmol), K 2 CO 3 (220 mg, 1.60 mmol), and dry acetonitrile (20 mL). The mixture was refluxed overnight until 3 had disappeared (monitored by thin layer chromatography (TLC), ethyl acetate/petroleum ether, 1:5).…”
Section: Synthesis Of ((S)-2-((2-(4-(1-(4-(2-(((r)-2-hydroxymentioning
confidence: 99%
“…A influência do solvente em reações fotoquímicas está bem estabelecida, sabendo-se que parâmetros como polaridade, viscosidade, habilidade em doar hidrogênio ou elétron e efeito de átomos pesados controlam os mecanismos fotoquímicos. 10 Os líquidos iônicos da classe dos 1-alquil-3-metilimidazólio têm sido empregados em reações fotoquímicas envolvendo transferência de energia, 11,12 transferência de elétron 13 e transferência de hidrogênio, 14 tendo sido demonstrado que as características cinéticas e espectroscópicas de cetonas aromáticas empregadas como sondas, e que reagem através o seu estado excitado triplete, são distintas daquelas apresentadas em solventes orgânicos convencionais, tais como benzeno, metanol e acetonitrila. 15 Este comportamento diferente em líquidos iônicos tem sido associado ou à alta viscosidade destes solventes, nos quais a constante de velocidade de difusão é ).…”
Section: Introductionunclassified