Search Results - "Viana, Luiz H."
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1
Effects of organic Selenium- and Chromium-Enriched Diets on performance, carcass characteristics, lipid profile and fat quality of finishing pigs in different weight ranges
Published in Anais da Academia Brasileira de Ciências (01-01-2022)“…Abstract An experiment was conducted to evaluate the fatty acid profile of subcutaneous fat from barrowS of same genetic lineage supplemented with organic…”
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2
Synthesis, characterization and study of the thermal behavior of methylic and ethylic biodiesel produced from tucumã (Astrocaryum huaimi Mart.) seed oil
Published in Fuel (Guildford) (01-12-2015)“…•Ethyl esters of tucumã oil showed promising properties as a cold climate biodiesel.•Methyl and ethyl esters of tucumã oil have similar thermal properties,…”
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3
Improvement in the synthesis of (Z)-organylthioenynes via hydrothiolation of buta-1,3-diynes: a comparative study using NaOH or TBAOH as base
Published in Tetrahedron letters (24-10-2012)“…Hydrothiolation of symmetrical and unsymmetrical buta-1,3-diynes with sodium organylthiolate anions in reflux, generated in situ by reacting C4H9SH with NaOH,…”
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4
Synthesis of (Z)-tributylstannyl enynes: systematic studies of Sonogashira cross-coupling reactions between (E)-1-iodovinyl-1-tributylstannanes and terminal acetylenes using amines or tetrabutylammonium hydroxide (TBAOH) as activator
Published in Tetrahedron letters (10-08-2011)“…Sonogashira cross-coupling reactions involving (E)-iodo vinyl stannanes and terminal acetylenes were carried out in the presence of Pd(PPh3)4, CuI and several…”
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5
Hydroalumination of silylacetylenes: a novel and highly stereoselective synthesis of (E)-telluro(silyl)ketene acetals and their applications in Sonogashira cross-coupling reactions
Published in Tetrahedron letters (16-11-2011)“…The hydroalumination of silylacetylenes with DIBAL-H followed by the addition of n-butyllithium generated in situ the (Z)-β-vinylorganosilane alanates…”
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6
Synthesis of 3-iodothiophenes via iodocyclization of (Z)-thiobutenynes
Published in Tetrahedron letters (01-01-2014)“…A simple synthesis of 3-iodothiophenes was demonstrated using a wide range of (Z)-thioenynes. The key step in the iodocyclofunctionalization was the selective…”
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Design, Synthesis and Anticancer Biological Evaluation of Novel 1,4-Diaryl- 1,2,3-triazole Retinoid Analogues of Tamibarotene (AM80)
Published in Journal of the Brazilian Chemical Society (01-01-2018)“…We report herein the design and synthesis via click chemistry of twelve novel triazole retinoid analogues of tamibarotene (AM80) and the evaluation of their…”
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8
Total synthesis of (±)-dihydroactinidiolide using selenium-stabilized carbenium ion
Published in Tetrahedron letters (07-10-2009)“…A new, short total synthesis of dihydroactinidiolide 1 is described using selenium carbenium ion-promoted carbon–carbon bond formation as the key step. Our…”
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9
Synthesis and evaluation of anti-leishmania activity of analogs isoxazoles derivatives of grandisin and veraguensin neolignans
Published in Orbital : The Electronic Journal of Chemistry (01-06-2012)“…Using the concept of bioisosterismo, the new analogs isoxazole were designed from the molecular modification of grandisin and veraguensin neolignans, which…”
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10
Electrophilic cyclization of (Z)-thiobutenynes: Synthesis of 3-iodothiophenes
Published in Orbital : The Electronic Journal of Chemistry (01-06-2012)“…Organic compounds containing the thiophenic structural unit are found in various synthetic compounds useful as agrochemicals, pharmaceuticals and liquid…”
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11
Synthesis of new triazole arotinoids analogues via "Click Chemistry" with potential anticancer activity
Published in Orbital : The Electronic Journal of Chemistry (01-06-2012)“…Retinoids are a class of natural and synthetic vitamin A analogues structurally related to all-trans-retinoic acid (ATRA). This class of compounds can…”
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