Browsing by Advisor "Brocksom, Timothy John"
Now showing items 1-9 of 9
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Metátese de fechamento de anéis de derivados da R-(-)- Carvona
(Universidade Federal de São Carlos, UFSCar, Programa de Pós-Graduação em Química - PPGQ, , 21/03/2012)In this work was developed a new synthetic route to obtain cicloeptenone not conjugated selectively, through a faster and simpler methodology, and in accordance with good practices of green chemistry. By experimental ... -
Químio-, régio- e estereosseletividades das reações de Diels-Alder de para-benzoquinonas: um estudo teórico
(Universidade Federal de São Carlos, UFSCar, Programa de Pós-Graduação em Química - PPGQ, , 23/07/2014)In this work, some computational theoretical studies on the reactivity of para-benzoquinones and their derivatives in Diels-Alder reactions were proposed These studies were done in order to compliment the corresponding ... -
A reação de Diels-Alder de para-benzoquinonas sob condições de catálise por ácidos de Lewis e sob efeito de micro-ondas
(Universidade Federal de São Carlos, UFSCar, Programa de Pós-Graduação em Química - PPGQ, , 12/06/2013)In this work it was done the studies of the Diels-Alder reactions of the parabenzoquinones 2,5-dimethyl-para-benzoquinone (A1), 2,6-dimethyl-parabenzoquinone (A2) and thymoquinone (A3) with the dienes cyclopentadiene (B1), ... -
Reações multicomponentes de Diels-Alder com parabenzoquinonas : intermediários para Sesquiterpenos Eudesmanos
(Universidade Federal de São Carlos, UFSCar, Programa de Pós-Graduação em Química - PPGQ, , 20/09/2010)In the first part of this thesis we describe the study of the oxidation of phenols to p-benzoquinones. The metal complexes used as catalysts in this study are: [CoII(salen)], [CoII(dmsalen)], [CoII(salpn)], [CoII(dmsalpn)], ... -
A Reação de Diels - Alder de p-benzoquinonas sob efeito de microondas
(Universidade Federal de São Carlos, UFSCar, Programa de Pós-Graduação em Química - PPGQ, , 08/08/2008)In this work it was done a study of the microwave effect on Diels - Alder reaction of the p-benzoquinones thymoquinone (A1), 2,5-dimethyl-p-benzoquinone (A2) and 2,6-dimethyl-pbenzoquinone (A3) with the dienes cyclopentadiene ... -
Metátese de fechamento de anel: espiro-anelação estereosseletiva / Reações multicomponentes de Diels-Alder na síntese de compostos tricíclicos
(Universidade Federal de São Carlos, UFSCar, Programa de Pós-Graduação em Química - PPGQ, , 22/02/2011)In this work, a study of different synthetic ways was made in order to obtain spiro compounds starting from R-(-)-carvone, getting to the formation of cycloheptenone as an intermediate, which undergoes two consecutives ... -
A reação de Diels-Alder de p-Benzoquinonas em versão multicomponente
(Universidade Federal de São Carlos, UFSCar, Programa de Pós-Graduação em Química - PPGQ, , 24/08/2005)A study of the multicomponent version of the Diels-Alder reaction of para-benzoquinones has been proposed, with the idea of uniting the versatility of the reaction with the simplicity of the methodology. The key step ... -
A regioquímica das reações de Diels-Alder de N-tosil para-benzoquinona iminas
(Universidade Federal de São Carlos, UFSCar, Programa de Pós-Graduação em Química - PPGQ, , 29/02/2012)In this work it was done a comparative study on the reactivity of a variety of dienophiles including para-benzoquinones, their mono-oximes, their N-tosyl mono-oximes and their N-tosylimines on the Diels-Alder reactions ... -
Desenvolvimento da síntese total do (±)-ácido jasmônico visando aplicação em escala industrial
(Universidade Federal de São Carlos, UFSCar, Programa de Pós-Graduação de Mestrado Profissional em Química - PPGQ, , 29/05/2013)Jasmonic acid is a plant hormone that helps in the partition of nitrogen and acts mainly in defense against pathogens. It was first isolated in 1962 from the essential oil of Jasminum grandiflorum, but we know that it can ...