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Title
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Bio-active organic compounds in the venom of an Endemic Jamaican Ant, Crematogaster vicina.
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Creator
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Burnett, Brian M, Wetterer, James K., Dragojlovic, Veljko, Harriet L. Wilkes Honors College
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Abstract/Description
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Bioprospecting, the search for useful compounds found in nature, has led to the discovery of novel drugs and pharmaceuticals. For my thesis research, I analyzed the organic compounds in the venom of Crematogaster vicina Andre, an endemic Jamaican ant. Prior chemical analysis of Crematogaster species revealed diverse, bio-active organic compounds, which included long chained conjugated dienones, furanocembranoid, and diterpenes. I postulated that these types of compounds are characteristic of...
Show moreBioprospecting, the search for useful compounds found in nature, has led to the discovery of novel drugs and pharmaceuticals. For my thesis research, I analyzed the organic compounds in the venom of Crematogaster vicina Andre, an endemic Jamaican ant. Prior chemical analysis of Crematogaster species revealed diverse, bio-active organic compounds, which included long chained conjugated dienones, furanocembranoid, and diterpenes. I postulated that these types of compounds are characteristic of the Crematogaster venom. I used Gas Chromatography- Mass Spectrometry (GC-MS), Sci-Finder database and SDBS database to test my hypothesis with C.vicina venom. I identified one bio-active organic compound of high abundance and similar characteristics of the organic compounds found in venom of the Crematogaster species from Europe: 1, 2 –Dihydro-4-ethylamino-1-methylpyrimidin-2-one, which I isolated as di (phosphate methyl ester).
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Date Issued
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2013
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PURL
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http://purl.flvc.org/fau/fd/FA00003508
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Format
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Document (PDF)
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Title
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DIELS-ALDER REACTIONS OF IN SITU GENERA TED CYCLOPENTADIENE IN HYDROCARBON AND FLUOROUS SOL VENTS.
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Creator
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Dombrowski, Thomas, Dragojlovic, Veljko, Smith, Eugene, Harriet L. Wilkes Honors College
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Abstract/Description
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The stereoselectivity ofthe Diels-Alder reaction of cyclopentadiene and maleic anhydride towards its exo adduct was improved in perfluorinated solvents, in comparison to a reaction carried out in hydrocarbon solvents and a solvent free reaction. When using FC-70, the reaction of in situ generated cyclopentadiene and maleic anhydride produced exo- norbomene-cis-5,6-dicarboxylic anhydride and endo- norbomene-cis-5,6- dicarboxylic anhydride in a ratio of 52:32 according to GC-MS analysis. In...
Show moreThe stereoselectivity ofthe Diels-Alder reaction of cyclopentadiene and maleic anhydride towards its exo adduct was improved in perfluorinated solvents, in comparison to a reaction carried out in hydrocarbon solvents and a solvent free reaction. When using FC-70, the reaction of in situ generated cyclopentadiene and maleic anhydride produced exo- norbomene-cis-5,6-dicarboxylic anhydride and endo- norbomene-cis-5,6- dicarboxylic anhydride in a ratio of 52:32 according to GC-MS analysis. In hydrocarbon solvent, mesitylene, the ratio of exo/endo was found to be 23:52, indicating a more kinetically-controlled reaction. Separation of the reaction products by radial chromatography provided the endo adduct in 89% purity and the exo adduct in 47% purity.
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Date Issued
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2014
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PURL
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http://purl.flvc.org/fau/fd/FA00003613
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Format
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Document (PDF)
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Title
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Abamectin: ant toxin or antifeedant?.
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Creator
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Kissner, William, Kaul, Christopher, McGuire, Megan, Pick, David, Dragojlovic, Veljko
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Date Issued
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2012-04-06
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PURL
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http://purl.flvc.org/fcla/dt/3348829
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Subject Headings
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Abamectin, Toxin, Antifeedant, Chemistry techniques, Pest control
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Format
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Document (PDF)
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Title
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Halosulfites as a leaving groups in organic synthesis.
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Creator
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Kissner, William, Dragojlovic, Veljko
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Date Issued
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2013-04-05
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PURL
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http://purl.flvc.org/fcla/dt/3361103
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Subject Headings
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Organic compounds--Synthesis, Substitution reactions
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Format
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Document (PDF)
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Title
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Chlorosulfite as a Leaving Group in Organic Synthesis.
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Creator
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Kissner, William, Dragojlovic, Veljko
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Date Issued
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2012-04-06
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PURL
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http://purl.flvc.org/fau/fd/FA00005473
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Format
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Document (PDF)
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Title
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SynGAP1 Haploinsufficiency affects neuronal structure and development in mouse models.
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Creator
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McGuire, Megan, Dragojlovic, Veljko, Harriet L. Wilkes Honors College
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Abstract/Description
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Intellectual Disability (ID) is an increasingly common neurological disorder that causes intellectual deficients in cognition and behavior and is scientifically diagnosed by an intelligence score (IQ) under 70 along with the presence of two or more associated behaviors. A recent study showed that sporadic ID in humans was correlated with autosomal dominant de novo mutations in SynGap1.
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Date Issued
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2013
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PURL
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http://purl.flvc.org/fau/fd/FA00003525
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Format
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Document (PDF)
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Title
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Properties of PTFE tape as a semipermeable membrane in fluorous reactions.
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Creator
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Parsons, Brendon A., Smith, Olivia Lin, Chae, Myeong, Dragojlovic, Veljko
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Date Issued
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2015-06-09
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PURL
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http://purl.flvc.org/fau/fd/FAUIR000136
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Format
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Citation
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Title
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Solvent-free phase-vanishing reactions with PTFE (Teflon®) as a phase screen.
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Creator
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Pels, Kevin C, Dragojlovic, Veljko
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Date Issued
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2009-12-09
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PURL
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http://purl.flvc.org/fau/fd/FAUIR000135
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Format
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Citation
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Title
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Recent Developments in Vapor Phase Phase-Vanishing PTFE Reactions.
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Creator
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Pels, Kevin, Smith, Olivia Lin, Abney, Ancil J., Dragojlovic, Veljko
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Abstract/Description
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FAU's Office of Undergraduate Research and Inquiry hosts an annual symposium where students engaged in undergraduate research may present their findings either through a poster presentation or an oral presentation.
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Date Issued
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2011
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PURL
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http://purl.flvc.org/fau/fd/FA00005445
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Format
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Document (PDF)
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Title
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Studies Towards Synthesis of Paraconic Acids.
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Creator
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Soto, Karenia, Dragojlovic, Veljko
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Abstract/Description
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FAU's Office of Undergraduate Research and Inquiry hosts an annual symposium where students engaged in undergraduate research may present their findings either through a poster presentation or an oral presentation.
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Date Issued
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2011
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PURL
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http://purl.flvc.org/fau/fd/FA00005450
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Format
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Document (PDF)
