Diels-Alder Experiment - Diels Alder Experiment Tuesday Lab...

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Diels – Alder Experiment Tuesday Lab David Grauer Jimin Kim
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Purpose: This lab revolved around the Diels – Alder reaction of a dienophile, maleic anydride, with two different dienes (1,3 – cyclohexadiene and furan) and the testing of Alder’s Rule. By melting point analysis, we were to determine whether the endo or exo conformation was preferred in the product. Procedure: We performed two different reactions in this lab using a single dienophile and two different dienes. In the purification of the cyclohexadiene product, we used a recrystalization to isolate the crystals. In the case of the furan adduct, no recrystalization was used to purify the crude crystals. The purity and conformation of the products were determined using melting point analysis. Observations: (5 mL furan x .936 g/mL) / 68.08 = .00687 mol (5 mL cyclohexadiene x .841 g/mL) / 80.13 = .00525 mol Need .00687 moles maleic andhydride for furan and .00525 moles for cyclohexadiene.
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