Chem210-1 F05 Ex3 p01a

Chem210-1 F05 Ex3 p01a - 2 BH, followed by a work-up with...

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1. Consider the three alkynes shown below: CH 2 C C CH 3 = 'A' C C CH 2 -CH 3 = 'B' CH 2 CH 2 C C H = 'C' a) Circle the carbon holding the most acidic hydrogen in alkyne 'C'. (3 points) b) Circle the carbon holding the most acidic hydrogen in alkyne 'A'. (2 points) c) Provide the IUPAC name for alkyne 'C'. (2 points) d) Which of these alkynes ('A', 'B', or 'C') would be the m o s t stable? (2 points) _____________ e) Which of these alkynes would be the l e a s t stable? (2 points) _____________ f) Provide below the structure of the product expected if alkyne 'C' was first treated with (sia)
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Unformatted text preview: 2 BH, followed by a work-up with basic hydrogen peroxide. (2 points) 2. a) Provide below the structure of allyl alcohol (4 points) b) Provide the IUPAC name for the alkenol you specified in answer 2a) above (5 points) c) Could your compound in answer 2a) be prepared by a reaction involving a Grignard reagent? If so, show the reactants required; if not, explain why not. (5 points) 4-phenyl-1-butyne 'B' 'C' CH 2-CH 2-CH 2 C O H H 2 C=CH-CH 2-O-H 2-propen-1-ol or prop-2-en-1-ol yes; H 2 C=CH-Mg-Br 1) H 2 C=O 2) H 3 O +...
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