U-M CHEM 216 - The Scientific Literatre (12 pages)

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The Scientific Literatre



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The Scientific Literatre

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Pages:
12
School:
University of Michigan
Course:
Chem 216 - Synth Org
Synth Org Documents

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The Scientific Literature Honors Cup 2005 1 13 05 General 216 Announcements Office Hours 3 30 5 00 2404 Thursdays GSI office hours Post experiment 1 details 5pm on Friday at http www umich edu chemh215 CHE M216 216Hhome htm NMR The Honors Cup Proposal Check Fri 1 28 10 am e mail to Dr Gottfried Final Version Monday 2 7 10am e mail to Dr Gottfried Peer Review Week of 2 7 review all proposals in section using rubric provided by 10 am Friday 2 11 Synthesis Last six weeks of lab The Proposal Target what is it and why is it or the series of transformations important Overall Scheme For each step A ChemDraw picture of the transformation An experimental Any green or safety issues Budget References Goals for your Proposal Interesting process or molecule that you would like to carry out 3 synthetic transformations 216H doable experimentals Time Scale Equipment and technique 0 5 g final product Doable characterization Interesting Molecule or Process Forward What synthetic transformations are you interested in What processes are most interesting Do you want to use a green reaction Retro Synthesis What molecule are you interested in making Make a functional group like that of a larger molecule What is NOT a Synthetic Transformation A synthetic transformation changes one functional group to another Remember you need to isolate and characterize the product of each step Reaction work ups and extractions are not synthetic transformations Extraction OCH3 O O O O C13H27 O C13H27 O O 5 allyl 1 methoxy 2 3 methylenedioxy benzene nutmeg O trimyristin C13H27 55 555g of ground nutmeg is to be heated under reflux for 30 minutes with 138 888mL of diethyl ether 6 The mixture should be cooled to room temperature and the solid decanted Wash with 55 555mL of diethyl ether and distill the liquid to recover the solvent 7 11 666g of solid yellow residue will appear Recrystallization from ethanol is possible to recover 2 833g of trimyristin a white solid 5 yield based on starting nutmeg with MP 56



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