Chapter 20: 58 P-c (page 1038)
Question: Show the products you expect when each compound reacts with NBS with light shining on the reaction.
c)
Short Answer
c)The product formed from the above compound when react with NBS
Chapter 20: 58 P-c (page 1038)
Question: Show the products you expect when each compound reacts with NBS with light shining on the reaction.
c)
c)The product formed from the above compound when react with NBS
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Question: Give both IUPAC names and common names for the following compounds.
(a) phCH2COOH
(b) phCO2Na
(c) (CH3)2 CHCHCICOOH
(d) HOOC (CH2)4CO2H
(e) (CH3)2 CHCH2COOK
(f) CH3 CH(NH2) COOH
(g)
(h)
(i)
For each compound,
(a)
(b)
(c)
(d)
(e)
(f)
(g)
(h)
Grignard reagents add to carbonate esters as they add to other esters.
(a) Predict the major product of the following reaction.
(b) Show how you would synthesize 3-ethylpentan-3-ol using diethyl carbonate and ethyl bromide as your only organic reagents.
(c) Diethyl carbonate is a liquid reagent that is easy to handle. In contrast, phosgene is a highly toxic and corrosive gas. Show how you might use diethyl carbonate instead of phosgene to make Lexanยฎ. Also, show how you might use diethyl carbonate instead of methyl isocyanate to make Sevinยฎ insecticide.
Most of the Fischer esterification mechanism is identical with the mechanism of acetal formation. The difference is in the final step, where a resonance-stabilized carbocation loses a proton to give the ester. Write mechanisms for the following reactions, with the comparable steps directly above and below each other. Explain why the final step of the esterification (proton loss) cannot occur in acetal formation, and show what happens instead.
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