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- Electrostatic potential maps of anisole and thioanisole are shown. Which do you think is the stronger acid, p-methoxybenzoic acid or p-(methylthio)benzoic acid? Explain.Draw the major product(s) of each of the following reactions. (c) (b) (a) CI HO,S C2, ? HNO, AICI, FeCla H2SO4 H,CO (e) (d) Br2, ? conc HNO, FeBr3Which one of the following statements best describes the chemistry of ring A? E B OH он, A H Oleandrin is a toxic cardiac glycoside found in the poisonous plant, oleander (Nerium oleander L). It has a very long IUPAC name: acetic acid [(35,5R, 10S,13R,14S, 16S, 17'R)-14-hydroxy-3-[[(2R,4S,5S,65)-5-hydroxy-4-methoxy-6-methyl- 2-tetrahydropyranyl]oxy]-10,13-dimethyl-17-(5-oxo-2H-furan-3-y)-1,2,3,4,5,6,7,8,9,11,12,15,16,17- tetradecahydrocyclopenta[a]phenanthren-16-yl] ester Ring-A can act as a reducing sugar Ring-A can undergo mutarotation Ring-A is non-reducing O Ring-A is a furanose
- Which of the following would accomplish the transformation below? a) 1. HSCH2CH2SH, H+; 2. H2, Raney Ni b) H2N-NH2, NaOH(aq), heat c) H2, Pd d) All of the above(ii) Draw the product R, including a detailed reaction mechanism for the conjugate addition reaction between the 1,3-dicarbonyl P and the a,ß-unsaturated ketone Q. Eto P OEt + Q OEt Et3N R (iv) Explain why conjugate addition is favoured over direct addition to Q in this case.Chemistry 60. Give the principal product(s) expected, if any, when trans-1,3-pentadiene reacts under the following conditions. Assume one equivalent of each reagent reacts unless noted otherwise. (a) H2O, H3O+ (b) Na+EtO- in EtOH (c) Maleic anhydride heat
- Which of the following are the major deuterated products of the reaction below? (1) B,De. diglyme D 情 (2) H02, NAOH/H,0 HO, HO. HO. (A) (B) (C) (D) OCompounds A and D Compounds A and B O Compounds A and C Compounds B and DWhich molecules A through D shown below would, upon hydrogenation of the double bond with H2 and Pd-carbon, give a mixture of enantiomers? CH3 в H3C-c=c-cH3 H,C- - CgHs D O 1. Only D. O 2. Molecules A and C. O 3. Only A. O 4. Molecules B and C.nane Draw the principal products of the following eactic (a) H. CH¿CH2CH, HCH,C H. Br (b) NBS hv. CC (c) (d) COOH CH,CH,OH
- N acin OH ACS ACS 19. Which indicated nitrogen atom is most basic? (A) (C) (D) CH3 20. What is the lowest-unoccupied molecular orbital (LUMO) of 1,3-butadiene? (A) (C) (A) O : Br: H₂C H₂O: (B) 21. What is a mechanistic step for this reaction? Br₂ H₂O (D) CH3 N (B) (B) N-(C) (D) H₂O: OH :Br:Dehydrohalogenation of vinyl halides is essentially an E2 process. A stereochemical study revealed that (Z)-2-chloro-2-butendioic acid reacted 50 times faster than its E stereoisomer. 1. Na+ NH2 HO,C-c=c-co,H 2. H,о For the reaction below: Br 1. Na* NH2 2. H3O* H Ph a Draw the structure of the major organic product.a Draw the structure of the intermediate (I) for the reaction below. Hg(O2CCH3)2 NaBH4 Product CH;OH H3C • Use the wedge/hash bond tools to indicate stereochemistry where it exists. If the reaction produces a racemic mixture, just drawv one stereoisomer.