Advanced Practical Organic Chemistry

Casey, Michael A.; Leonard, John; Lygo, Barry; Procter, Garry

doi:10.1007/978-1-4899-6643-8

Cited by 53 publications

(49 citation statements)

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“…All solvents were distilled before use as set forth by standard techniques. 24 Melting points were measured by using a capillary melting point apparatus and were uncorrected. Elemental analyses were performed by Desert Analytics.…”

Section: Methodsmentioning

confidence: 99%

Synthesis and Color Tuning Properties of Blue Highly Fluorescent Vinyl Polymers Containing a Pendant Pyrrolopyridazine

et al. 2005

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We report here the synthesis, polymerization, and properties of highly fluorescent vinyl polymers containing pendant pyrrolopyridazines. Their luminescence quantum efficiencies can be as high as 60%, and all polymers showed strong luminescence even in the solid state, which is indicative of little self-quenching in these systems. The polymers were processable into films, fibers, and rods that were suitable for several device applications. The fibers and rods showed interesting end luminescence whose colors were tunable by manipulating their geometries.

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Section: Methodsmentioning

confidence: 99%

Synthesis and Color Tuning Properties of Blue Highly Fluorescent Vinyl Polymers Containing a Pendant Pyrrolopyridazine

et al. 2005

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“…and 25 cm in height), eluting with a mixture of hexane:diethyl ether (3:1 v/v). The fractions obtained in each case, were monitored by silica gel TLC analysis with, using phosphomolybdic acid as a visualization reagent 17 . The fractions that were similar by TLC analysis were grouped, and the solvent evaporated under reduced pressure in a rotary evaporator.…”

Section: Elaiosome Components Extraction and Separationmentioning

confidence: 99%

Isolation of compounds attractive to the leaf-cutting ant Atta sexdens rubropilosa forel (hymenoptera: Formicidae) from Mabea fistulifera elaiosome

Peternelli

Barbosa

2008

Quím. Nova

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Recebido em 1/9/06; aceito em 6/9/07; publicado na web em 26/2/08Mabea fistulifera (Euphorbiaceae) is a pioneer plant species with seeds dispersed by the ant Atta sexdens rubropilosa. Since the ants are attracted to the seeds to use its elaiosome as a source of energy, we investigated its composition. The elaiosomes from 13,000 seeds were extracted with a methanol:chloroform mixture (2:1 v/v) and yielded 22% of a residue. This residue was fractionated by column chromatography and its composition determined by infrared spectroscopy and chromatography/mass spectrometry (GC-MS). The elaiosome lipids are constituted mainly by free fatty acids, triacylglycerols and minor quantities of monoacylglycerols or diacylglycerols.

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“…Nas análises por cromatografia em camada delgada (CCD) foram utilizadas placas de sílica gel 60 F 254 , com 0,25 mm de espessura. As placas de CCD foram observadas em câmara com lâmpada ultravioleta (λ max = 254 e 365 nm) e, em seguida, reveladas com solução de ácido fosfomolíbidico 17 …”

Section: Instrumentação E Procedimentos Geraisunclassified