3. Provide a retrosynthesis and a complete forward synthesis for the target molecule (TM) below using the indicated starting materials (in box). TM _C=C—CH₂¯ H HC=CH -CH₂Br H SM
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- Draw a curved arrow mechanism that explains the formation of the given organic product in the following reaction. You may need to re-draw structures to show bonds or lone pairs. : ÖH H₂SO4 to 0 :0 2 + 10 And/Remove step X3. Provide the mechanism for the following reversible nucleophilic addition. Show all curved arrows and intermediates. cat. H+ H₂O HO OH H H 1) protonate to activate 2) nucl adds 3) deprotonate what staysDraw curved arrows to show the movement of electrons in the step of the mechanism shown below. Arrow-pushing Instructions NOC XT :: [MgX]* H3C-C-0-CH3 CH₂CH₂CH3 :0: || H3C-C-CH₂CH₂CH3 + HạC—O: [MgX]* A ketone X
- 3) Please draw the structures that correspond to omitted structure for each of the following synthetic sequences. HO Cro3 Cro3 (a) Product `OH Product H,0 HO PCC Cl РСС (b) Product (e) Product OH HO РСС NABHA (f) Starting Material (c) Product OH ELOHDraw curved arrows to show the movement of electrons in the step of the mechanism shown below. Arrow-pushing Instructions X→UU :0: :O: || CH3-C-CH₂-C-OEt :OEt :O: || :0: || CH3-C—CH—C—0—OEt + EtO: H1,2 diols form carbonyl compounds via the Pinacol Rearrangement. Propose a stepwise mechanism for Map this reaction. Details count; include all nonbonding electrons and formal charges! Draw intermediate structure; add curved arrows. Omit H20. Draw intermediate structure; add curved arrows. Omit H2O. Add curved arrows. ӧн, Н loss of H20 :он Draw intermediate structure; add curved arrows. Omit H20. Draw intermediate structure; add curved arrows. loss of H* (as H30*) н 1L
- Othesis. teps neceossary to synthesize this compound by yl halide; after that you can add any organic or Dound. →1-hexanol )Consider the following compounds: B = HOCH2CH2CH2CH3 CH3 HC C = CH3CH2CH2OCH2CH2CH3 D = a) Which one(s) could be reduced with NaBH4? b) Which one(s) would give a positive Tollens silver mirror test? c) Which one(s) could be oxidized with CrO3? d) Which one(s) would react with 1 or 2 equivalents CH3M9B to make a npound butyl ethyl ether larger alcohol?Select the major product from the reaction sequence shown. 1) MezNH, [TSOH], - H2O 2) 3) HO مال منه NMez .OH ? ka ta2) Complete the mechanisms for the following reactions. A) = H₂0 H₂ soa B) OH H₂SO4 Hint: Consider the methyl Shift mechanism. What if you did a similar Shift with the quatrinary carbon?
- Determine the mechanism of nucleophilic substitution of each reaction and draw the products, including stereochemistr CH₂CH3 CI Br + CN d. + CH3COOH a. acetone + -OCH3 e. DMF f. b. C. ||||| a ||||| Br H Br CH2CH2CH3 + CH3OH DMSO H CH3 CI Br + OCH₂CH3 + CH3CH₂OHWhich statement best describes what is happening in step 6? (Remember, this is copied from the full mechanism, in which we saw the compound on the right being converted into the compound on the left.) CH;-CH,-C-CO, || ΝΗ CH;-CH=Ç-CO, | NH, O reduction O none of these O enamine-imine tautomerization O enol-ketone tautomerization oxidationCurved arrows are used to illustrate the flow of electrons. Using the provided starting and product structures, draw the curved electron-pushing arrows for the following reaction or mechanistic steps. Be sure to account for all bond-breaking and bond-making steps. H H y H H ✪ I CH3OH heat CH3OH heat HH H : Br: O CH3OH heat Drawing Arrows