Emma T lab

Emma T lab - Emma Turner CHE 231-001 October 12, 2011 Yang...

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Emma Turner October 12, 2011 CHE 231-001 Yang Sun Reduction of Cyclohexanol Aim/Purpose In this experiment, students will reduce cyclohexanol to cyclohexane using the reducing agent, lithium aluminum hydride. Theory The reduction of aldehydes and ketones is an important path used to synthesize primary and secondary alcohols. The process of reduction involves the addition of an H-H molecular hydrogen to a C=O carbonyl group. This conversion is often aided by the use of a metal reagent, specifically lithium aluminum hydride and sodium borohydride in this experiment. Lithium aluminum hydride is one of the chosen reagent due to its ability to react with a variety of both carbonyl and non-carbonyl functional groups. These groups includes but is not limited to; esters, ketones, aldehydes, and carboxylic acids. The reagent is primarily found in the trans configuration. It also has the ability to generate hydrogen gas when reacted with acidic hydrogen in protic solvent. Sodim borohydride is another metal hydride used for reduction. Since it is only capable
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