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Hydroboration-Oxidation of (1R)-(+)-aplha-Pinene - Lab Report Example

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The procedure began by drying all the experimental materials ranging from the glassware to heating materials. The experiment began…
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Hydroboration-Oxidation of (1R)-(+)-aplha-Pinene
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"Hydroboration-Oxidation of (1R)-(+)-aplha-Pinene"

Download file to see previous pages The final step involved subliming the organic layer with an attempt to purify the products through use of a cold finger and a vacuum. The final product was then observed and measurements taken.
The experiment involved conversation of alkenes into alcohol through the process of anti-markovnikov. The reaction performed exhibited stereo-selectivity and region-selectivity. The solutions used in the experiment were chemically air-sensitive, this made addition of the compounds used a crucial step. The experiment facilitated the learning of how to use IR-spectroscopy in process of confirming the conversion of an alkene group to alcohol group. The corpus of hyroboration of an alkene entails the addition of borane through a double bond. This is an oxidation process that leads to formation of an oragnoborane intermediate. The intermediate, through anti-Markovnikov hydration process, gives an alcoholic product. During the process of the reaction, the boron adds towards the fewer substitutes, which is carbon, owing to the fact that it has a higher level of electromagnetivity. The reaction involving hydrogen peroxide and sodium hydroxide leads to the production of hydro-peroxide anions, removing the boron atom, thus forming boron-hydroperoxide. The alkyl group reacts with the oxygen atom and simultaneously the hydroxide forms another hydroperoxide anion. This process occurs several times until a C-O bond s formed by converting all the C-B bonds. A hydrolysis of the C-O bonds leads to the formation of alcohol.
1) The melting point of my product was at 55.8 degree Celsius. This is lower than the melting point of water, which is usually at 100 degree Celsius at normal temperature. This is higher than the melting point of isopinocampheol, which is at 51. 53 degree Celsius: This is similar to the melting point of neoisopinocampheol. It is also higher than the melting point of cis-2-pinanol and that of trans-2-pinanol, which are at 43 and ...Download file to see next pagesRead More
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