2009
DOI: 10.1590/s0100-40422009000400042
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Abstract: Recebido em 4/7/08; aceito em 24/10/08; publicado na web em 12/2/09 PREPaRatIoN of (+)-α-tERPINEoL fRoM (+)-LIMoNENE: MoNotERPENES wIth PLEaSaNt odoR IN a PRojECt foR UNdERgRadUatE oRgaNIC ChEMIStRy LaBoRatoRy. a synthesis of (+)-α-terpineol from (+)-limonene was proposed as a project for undergraduate organic laboratory course. terpineol is a useful flavor and fragrance compound, and several aspects of this preparation are suited for experimental organic classes, including basic techniques for extraction and … Show more

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Cited by 7 publications
(7 citation statements)
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“…lc/a = low concentration or absent. In the world market, much of the α-terpineol comes from synthetic route that uses pinene and turpentine as precursor substances (Baptistella et al 2009) and other synthetic routes from l-limonene and nerol have been studied. The α-terpinil trifluoroacetate when derivative from d-limonene, through the addiction of Markvnikov using trifluoroacetic acid can be converted into d-α-terpineol by hydrolysis (Yuasa &Yuasa, 2006), as illustrated in (Figure 2).…”
Section: Performance and Analysis Of Chemical Constituentsmentioning
confidence: 99%
See 1 more Smart Citation
“…lc/a = low concentration or absent. In the world market, much of the α-terpineol comes from synthetic route that uses pinene and turpentine as precursor substances (Baptistella et al 2009) and other synthetic routes from l-limonene and nerol have been studied. The α-terpinil trifluoroacetate when derivative from d-limonene, through the addiction of Markvnikov using trifluoroacetic acid can be converted into d-α-terpineol by hydrolysis (Yuasa &Yuasa, 2006), as illustrated in (Figure 2).…”
Section: Performance and Analysis Of Chemical Constituentsmentioning
confidence: 99%
“…So far there are no reports in the literature on the use of OEPh for the treatment of onychomycosis, which is considered a crucial disease in public health due to its high incidence and worldwide prevalence, representing more than 50 % of all onychopathies (Bokhari et al 1999, Thomas et al 2010, Zotti et al 2011. Performance evaluation of disk diffusion method for determining the antifungal activity of OEPh, against yeasts agents of onychomycosis are shown in (Table3).…”
Section: Antifungal Activitymentioning
confidence: 99%
“…The commitment of faculty to incorporating synthesis into the curriculum is evident in a large number of multi-step syntheses in Mayo's classic laboratory textbook (5) and the multitude of synthesis experiments found in the literature. These experiments provide a variety of approaches to teaching synthesis in the sophomore organic chemistry curriculum with most of them focusing on the synthesis of a biologically (6)(7)(8)(9)(10)(11)(12)(13)(14)(15)(16)(17) or commercially (18)(19)(20)(21)(22)(23)(24) relevant target while some are designed for pedagogical (25)(26)(27)(28)(29)(30)(31)(32)(33)(34)(35)(36)(37) reasons. The complexity of the syntheses differ greatly and range from two (6, 7, 11-13, 16, 18, 20, 22, 27, 31, 36), three (8, 10, 14, 15, 17, 21, 23, 25, 28-30, 34, 37), four (9,26,33,38), five (19,32), six (24,39), and eight (40) step processes.…”
Section: Introductionmentioning
confidence: 99%
“…(-)-carvona 38 e α-terpineol 39 ), que o usam como reagente estequiométrico; bem como, no contexto da QV, isolamento do limoneno utilizando dióxido de carbono líquido como solvente, para ser utilizado no laboratório de química analíti-ca. 40 Por outro lado, na revista Green Chemistry foram publicadas propostas de novos procedimentos de extração do óleo de laranja: o uso de líquidos iónicos como solventes de extração; 11 a utilização de solventes mais benignos na extração, como o dióxido de carbono líquido, 41 óleo alimentar e polímeros (polietilenoglicol e polipropilenoglicol); 42 e o uso de processos hidrotérmicos com micro-ondas de baixa temperatura.…”
Section: Introductionunclassified
“…Neste contexto, faz sentido incluir a extração do óleo de laranja e sua purificação nos programas das disciplinas experimentais de Química no Brasil. 39 Por outro lado, o estudo laboratorial dos diversos processos tradicionais de extração do óleo de laranja permite promover a introdução da QV nos laboratórios de ensino pré-universitários e universitários, mediante a análise da verdura química com diversos tipos de métricas. Assim sendo, é aliciante tratar este tema em contexto educacional com vista a contribuir para o desenvolvimento de competências verdes dos alunos, cada vez mais importantes para o seu futuro profissional, 43,44 no quadro presente em que se procura promover um desenvolvimento mais sustentável.…”
Section: Introductionunclassified