CH 310N POW-4_key - H O _Cyclopentane...

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CH 310N – POW #4 Williams Fall 2010 Due: 8 AM, Tues Sept. 28, 2010 Name (print): ____________________________________________________________ Signature: _______________________________________________________________ Do Homework In Pen Please write the first three letters of your last name in the boxes K E Y
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CH 310N – POW #4 Williams Fall 2010 Due: 8 AM, Tues Sept. 28, 2010 1. MgBr OH 1) 2) H 2 SO 4 /H 2 O CH 2 I 2 Zn(Cu) Br 2 light Br Mg Et 2 O H H O H + /H 2 O
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CH 310N – POW #4 Williams Fall 2010 Due: 8 AM, Tues Sept. 28, 2010 2. Name the following structures according to IUPAC standards. Include stereochemistry when appropriate (3 pts). O O _1,3-cyclohexanedione_________________________________ O H H __(R)-3-ethyl-hexanal__________________________ Cl H O H _(S)-3-chloro-pentanal__________________________________
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CH 310N – POW #4 Williams Fall 2010 Due: 8 AM, Tues Sept. 28, 2010
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Unformatted text preview: H O _Cyclopentane carbaldehyde___________________________ O _ (E)- 3-penten-2-one_________________________________ OH O O H OH _(S)- 4-hydroxy-2,2-dimethyl-3-oxo-pentanoic acid___ CH 310N – POW #4 Williams Fall 2010 Due: 8 AM, Tues Sept. 28, 2010 3. Fill in the boxes with the appropriate intermediates in the synthesis of the following ketal (3 pts). O HO OH , H 3 O + O O P rovide the structure of interm ediates in the acid c ataly zed acetal for mation "A ttack of onto carbony l" "Intr am olecular Attac k of 2nd hy dr ox yl" Protonated Keto ne HO OH- H 3 O + carbocation in termediate Oxocarbenium intermediate- H 3 O + H 3 O +-H 2 O Oxonium Intermediate O O H O H O HO H OH O HO OH O OH O OH CH 310N – POW #4 Williams Fall 2010 Due: 8 AM, Tues Sept. 28, 2010 SCORE : _______________ /10...
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This note was uploaded on 01/12/2011 for the course CH 318N CH 318N taught by Professor Williams during the Spring '10 term at UT Arlington.

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CH 310N POW-4_key - H O _Cyclopentane...

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