Br NaOH H Treatment of cis-2-bromocyclohexanol with NaOH yields cyclohexanone instead of an epoxide. Draw curved arrows to show the movement of electrons in this step of the reaction mechanism. Arrow-pushing Instructions :Br: LOH Hö :Br. OH H H
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- 4) Eto ₂ 5) 2-Cyclohexene-1-one O₂Et + ethylace to acetate NaOEt NaOEtAmong the choices shown, which reagents would lead to 3-pentanone from bromoethane? Al 1 Li Cul 2) C13CH2OTS | BI1 NECNn DMSO 2) CH3CH2M;Br 3)H2O C)CH13CH2-CO CI D CH3CH2-CO OCH2CI138-6 Propose a mechanism for the following reaction.105 CH3 CH3 H;C- CH3 HC, PMe, (2 equiv.) H,C "CH3 PHCH, "CH3 PMey H,C H,C Me P How to draw the mechanism?
- Multi-step synthesis: Provide reagents needed for the following transformations. More than ne step is rquired for each reaction.Draw the product of the reaction between a ketone and an alcohol. Include all hydrogen atoms in the product. + + 1 mole equiv. H₂C CH, HỌ-CH, CH, H* Select Draw Rings / ||||| G C H 0 More Erase Q2 Q How would you classify the product of the reaction? Note that a hemiacetal formed from a ketone is also called a hemiketal;What is the expected major product of this reaction? OH H₂N I H₂N H₂N 85% H3PO4, A H₂N ||| ? H₂N IV
- 3A Complete the reactions below. H₂SO4/H₂O HgSO4 A NaBH4 EtOH B лH₂SO4 CTreatment of cis-2-bromocyclohexanol with NaOH yields cyclohexanone instead of an epoxide. Draw curved arrows to show the movement of electrons in this step of the reaction mechanism.Draw Intermediate CH3OH₂+ protonation H H3C -0 H Q CH3OH deprotonation loss of H₂O elimination H3C :0 ÖH -CH3 Draw Intermediate CH3OH deprotonatio Please select a drawing or reag
- Identify the suitable reagents for the given reaction and arrange them accordingly. 1 OH OEt 2 OEt OEt O 1) EtOH, H₂SO4; 2) EtOH, H₂SO4 O 1) EtONa followed by H₂O; 2) TsCl/py followed by EtONa O 1) EtONa followed by H₂O; 2) NaH followed by EtBr O 1) EtOH, H₂SO4; 2) NaH followed by EtBr O 1) EtOH, H₂SO4; 2) TsCy followed by EtONaDraw the mechanism for the reaction of an alkyl halide with sodium azide followed by reduction. Complete the mechanism of the initial step of the reaction, then identify the key intermediate and the product. Step 1: Draw curved arrows. o z + Na + || : z: I Step 2: Complete the intermediate. Na +The reaction below is a base-catalyzed aldol reaction. O || CH₂-C-H CH3-C-H Ethanal (Acetaldehyde) H I CH3-C-H Ethanal (Acetaldehyde) NaOH Draw curved arrows to show the movement of electrons in the step of the mechanism shown below. Arrow-pushing Instructions AC⇒x= :O: || :CH₂-C-H OH Bl CH3-CH—CH2-CH -CH₂-1-1 a 3-Hydroxybutanal (B-hydroxyaldehyde; formed as a racemic mixture) :0: :0: || CH3—CH—CH2-C-H A tetrahedral carbonyl addition intermediate X