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- Rank the following reactions in order of increasing nucleophile strength: Cl-, H2O, CH3-, H2S, HS-, I-When (R)-6-bromo-2,6-dimethylnonane is dissolved in CH3OH, nucleophilic substitution yields an optically inactive solution. When the isomeric halide (R)-2-bromo-2,5-dimethylnonane is dissolved in CH3OH under the same conditions, nucleophilic substitution forms an optically active solution. Draw the products formed in each reaction, and explain why the difference in optical activity is observed.In the presence of a nucleophile, which of the following will most likely undergo conjugate addition? B) OCH3 A) D) O A ов C OD
- Rank the compounds in each group in order of increasing reactivity in nucleophilic acyl substitution. CH3CH2CO2H, (CH3CH2CO)2O, CH3CH2CONHCH32) Circle the nucleophilic center(s) or electrophilic center(s) in each of the following compounds/ions: Nucleophiles a) Electrophiles b) ملة nogom ) SH h) مه لمWhich of the following could act as a nucleophile? A) HCl B) CH3NH2 C) BF3 D) CH3Br
- Under acid-catalyzed conditions, epoxides can be opened by a variety of nucleophiles other than water, such as alcohols. In such a case, the nucleophile will generally attack at the more substituted position. Using this information, predict the products for each of the following reactions (a-b): ? 1) RCO-H 2) [H₂SOJ Modify the given structure to draw the major product(s). Use the single bond tool to interconvert between double and single bonds. If a racemic mixture of enantiomers is expected, draw both enantiomers. Note: you can select a structure and use Copy and Paste to save drawing time. CH₂ Edit Drawing AExplain why the C=C of an enol is more nucleophilic than the C=C of an alkene, despite the fact that the electronegative oxygen atom of the enol inductively withdraws electron density from the carbon–carbon double bond.Consider carbonyl compounds A–E drawn below. (a) Rank A–E in order of increasing stability. (b) Rank A–E in order of increasing amount of hydrate formed when treated with aqueous acid. (c) Which compound is most reactive in nucleophilic addition?
- Rank the following compounds in order of increasing reactivity toward nucleophilic attack.Draw a stepwise mechanism for the attached reaction that illustrateshow two substitution products are formed. Explain why 1-bromohex-2-ene reacts rapidly with a weak nucleophile (CH3OH) under SN1 reactionconditions, even though it is a 1 ° alkyl halide.When (ft)-6-bromo-2,6-dimethylnonane is dissolved in CH3OH, nucleophilic substitution yields an optically inactive solution. When the isomeric halide (fl)-2-bromo-2,5- dimethylnonane is dissolved in CH3OH under the same conditions, nucleophilic substitution forms an optically active solution. Draw the products formed in each reaction, and explain why the difference in optical activity is observed.