Williamson Ether Synthesis of Nerolin

Name: Naira Raquel Xilau TA: Elizabeth Hirst encounter: 11/12/2012 williamson divinyl ethyl ether synthesis of nerolin In this experiment, it was performed the williamson ether synthesis of nerolin. Williamson ether answers be answers where an alkoxide reacts with a primary haloalkane or a suffonate ester. The reception occurs through a SN2 mechanism. SN2 reactions atomic number 18 characterized by the inversion of stereochemistry at the site of the leaving congregation. Because the reaction is set in motion by the toilet attack of the nucleophile, the nucleophile and the electrophile are in anti-configuration (chemwiki.org). Nerolin is part of a pigeonholing of alkyl aryl ethers, compounds vastly keep in the harvestion of odours- nearly specifically as nub additives and scent fixatives. These scents include rose, lilac-colored and lemon (prelab-notes). Calculation of portion out take over Iodoethane (MW=155.97., d=1.940 g/ml) Amount used: 0.30 ml d=mv m= 1.940g/ml x 0.30 ml 0.582g| 0.5 g 2-naphthol .1 gram groyneeecule of 2-naphthol144.17g= 0.00347 mol of naphthol 0.582 g iodoethane .1 mol of iodoethane155.97g= 0.00373 mol of iodoethane KOH (MW=56.11.) 0.200 g KOH .1 mol of KOH56.11 g= 0.00356 mol of KOH Given the 1:1 stoichiometry of the reaction, 2-naphthol is the control reagent Theoretical regress = 0.

5 g Percent regaining= tangible yieldtheoretical yield .100%  0.3189 g0.5g .100% 63.8 %| Conclusion A 63.8% yield of nerolin was recovered in the reaction of 2-naphthol and ethyl iodide. Given the stoichiometry of the reaction being 1:1, 2-naphthol was tack to be the limiting reagent. Since the percentage yield was not truly high, it is plausible to assume that around errors may occurred that contributed for the lower yield. Those errors may be caused by the incomplete dryness of the product, loss of product during decline and wrong criterion of reagents. If the experiment was to be repeated, more share would be demand especially during extraction and survey of the reactants, in...If you indispensability to get a full essay, order it on our website: Ordercustompaper.com

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