Which of the following is least likely to undergo a smooth crossed Claisen condensation with methyl pentanoate? (CH3O)₂CO HCO₂CH3 PhCO2CH3 PhCH₂CO₂CH3 (CH3)3CCO₂CH3
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- Nonconjugated , -unsaturated ketones, such as 3-cyclohexenone, are in an acid-catalyzed equilibrium with their conjugated , -unsaturated isomers. Propose a mechanism for this isomerization.(R)-2-iodo-3-methylbutane is treated with sodium bromide in acetone. Select all products that are formed. 2-methylbutan-1-ol 2-methylbutan-2-ol 3-methylbut-1-ene (R)-3-methyl-2-butanol 2-methylbut-2-ene O (S)-2-bromo-3-methylbutaneA substituent needs to be added to the reactant to allow the following reaction to occur. Which of the following substituents would be BEST? .F H2NR NO REACTION alkyl amide ether (-OR) alcohol
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- What is the IUPAC name for the following compound? Br (S)-6-bromo-2-heptanone O (R-6-bromo-2-heptanone (5)-6-bromo-2-heptanal (R)-6-bromo-2-heptanal O (R)-2-bromo-6-heptanonePredict and draw the major product. + CH3CH2OH ethanol Br + SOCI2 ОН H9SO4 heat ОН IThis compound can form a cyclic hemiacetal, since it has an internal OH group and an aldehyde group. What size ring would be formed from this cyclic hemiacetal? CH3CH(OH)CH2CH2CHO
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