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how do i go about this mechanism? is it a cross aldol reaction?
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- What is the major product of the reaction sequence below? он (B) (A) (1) Na CECH/THF Br (2) H-B< (C) (D) OH (3) H,0, NaOHH,0 Compound B Compound D Compound C Compound Ac) Write a detailed mechanism for the following transformation: OH CH;OH H,SO, (cat)2. Provide a mechanism for the following transformation: OH H3O + CO2
- Use your general knowledge of alkene chemistry to suggest a mechanism for the following reaction.Nonconjugated , -unsaturated ketones, such as 3-cyclohexenone, are in an acid-catalyzed equilibrium with their conjugated , -unsaturated isomers. Propose a mechanism for this isomerization.III. Give a detailed mechanism for the following reaction: OH ОН
- : Treatment of (CHa)CHCH(OH)CH,CH3 with TSOH affords two products (M and N) with molecular formula CgH12. The 'H NMR spectra of M and N are given below. Propose structures for M and N and draw a mechanism to explain their formation. 1H NMR of M 3H 1H NMR of N 3H 3H 3 H 1H 3 H 2 H 2H 2H 8 7 6 4 1 0 9 8. 2 1 ppm ppm 4.6-40 Give the substitution products expected from solvolysis of each compound by heating in ethanol. (a) (b) (c) Br (d) Br CI CH3 BrPredict the structure of compounds A and B and provide a mechanism for the reaction. OH CI HOO A H3O*
- Select all major products of the following reactions. 1. H2, Pd, MeOH quinoline, Pb(OAc)2, CACO3 Me 2. Os04, NMO, H20 Me" A в E OH он Me Me Me Me Me Me Me Me OH OH Ме Me OHc) Draw a mechanism for the formation of EtCH2COOH from the reaction of MeCOCH(Et)COOEt with ww w m NaOH in EtOH. d) Suggest a mechanism for the following reaction and explain the driving force for the reaction: Me i) NaOEVEIOH Me Co,Et CO,Et i) H*Propose mechanisms consistent with the following reactions. (a) (b) (c) (d) (f) (breif Written explantion for each PLEASE) Propose mechanisms consistent with the following reactions. (a) HBr ROOR Br H₂SO4 (b) H₂O OH Br HBr Br (d) (c) CHBr Br NaOH Br Br (e) HCI CH3CH₂OH Br OCH2CH3 Br ED-8 CH2CH3 H- OH H+, H₂O (f) H OH CH3CH2 CH2CH3 CH2CH3 (continued)