via an intramolecular aldol condensation? be used to make the compound shown below HDJCMD CH3CCH2CH2CH2CCH2CH2CH3 StaČCH,CH,CCH,CH,CH, CH.CCH,CH,CCH,CH,CH3
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- Why do you suppose ketone halogenations in acidic media are referred to as being acid-catalyzed, whereas halogenations in basic media are base-promoted? In other words, why is a full equivalent of base required for halogenation?What is the product of the following sequence of reactions? D | NaOH NaNH2 H3O+ || ||| explain each steps..explanation needed. don't give Handwritten answer IV NH₂Draw the major product(s) when the following molecule is reacted with excess NaOEt in EtOH, followed by aqueous acidic work-up. CH;CH,OĊCH(CH,)¿COCH,CH3 CHa
- 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 XWhat is the likley product of the reaction sequence shown? MgBr MgBr ОН РСС H2O K,Cr207/H2SO/H2O H,O CH2ČI2 ether ether ОН HO || II IV V O II O IV O vWhat combination of reagents can be used to make the following substance via an enamine? .&.Y.O Lay 11 B o o o o IV 8 + FO NH₂ 01 Oll II OIV O None of these reagents can be used.
- CHOOSE ONE ONIY!! Which of the following is NOT expected to result in an efficient crossed aldol condensation reaction? CH3 O H₂t H + ett3 NaOH E+OH -Sic b) 11 H3C NaOH меон Пансоз H +₂₂2₂0 H NaOH меон (a) व) H H H₂6 H H CH 3 + Hz( + H₂ C + H ₂ C2. Draw a plausible mechanism for the following transformation: [H₂SO4] excess EtOH -H₂O EtO OEt2 CH3COOCH,CH3 C2H5O'K*/C2H5OH ---> CH3COCH,COOCH,CH3 [+] Hofmann elimination Clemmensen reduction Claisen condensation O Cannizzaro reaction O Aldol condensation
- Draw a veasonable mechanism for this reaction that involves free radicals. hv DH cat. OH Ph Pn H,CPropse a mechanism for the following reaction: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 EtONa