Sample Exam 4 Key

Sample Exam 4 Key - I .(48 pts) Write conlplete structural...

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I.(48 pts) Write conlplete structural formulas for the MAJOR organic product or missing reactant in the following reactions. SPECIFY STEREOCHEMISTRY where pertinent. meso isomer MCPBA = 1) Hg(OAc)2 THF/H20 w 2) NaBH4, OH' e. HBr ~t~0,0' ) 0 I+ CH3 , / H C=C, H/ CH2C12 * CH2CH3 1-1
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1) NaH f. NaOEt EtOH, A 1) 03, CH2C12 ) 2) Zn, HO Ac (Yo + CH20
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II.(30 pts) Circle the best answer The reagent(s) which add to an alkene by a stereospecific anti-addition. HBr H~O,H@ The best reagents for accomplishing the following transformation. NaOH, H,O NaH, CH,I CH,OH, He The most stable alkene The reactive intermediate formed in the following reaction. Br The ether which can not be prepared by a Williamson ether synthesis.
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The best reagents for the following transformation. ,CH3 1) BH3 THF, 2) H202, OH'
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This note was uploaded on 02/21/2011 for the course CHEM 628 taught by Professor Carlson during the Fall '10 term at Kansas.

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Sample Exam 4 Key - I .(48 pts) Write conlplete structural...

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