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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.Which 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 furanoseDraw 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, FeBr3
- 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
- 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.Which 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.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 D
- 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,OHa 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.Be sure to answer all parts. One step in the synthesis of occidentalol, a natural product isolated from the eastern white cedar tree, involved the following reaction. + 8.0 CH3O Part 1 out of 2 2 attempts left A Check my work CH3O H draw structure ... B O several steps $ H Draw the structure of A (use hashed wedged onds to denote endo bonds and wedged bonds to denote exo bonds). "Кон OH Next part (-)-occidentalol G