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13. The regiochemistry of hydroboration/oxidation of alkenes is: page (a) (b) (c) (d) (e) Markovnikov non-Markovnikov...
The regiochemistry of hydroboration/oxidation of alkenes is: (a) (b) (c) (d) (e) Markovnikov non-Markovnikov subject to solvent effects unrelated to alkene structure it is a not a regiospecific reaction.
Please answer 13. The regiochemistry of hydroboration/oxidation of alkenes is: (a) Markovnikov (b) non-Markovnikov (c) subject to solvent effects (d) unrelated to alkene structure it is a not a regiospecific reaction. 14. What is the major product of the following reaction? HgSO4 H30* ? (a) (b) (c) (d) OH OH od ver H OH 15. Which conformation(s) of the two isomers A & B shown below is/are the most stable: А B Me Me (a) A, with the methyl group...
3. What is the major product of the following reaction? CH, CH2 HO, BH, THE 4. Refer to the reaction in question 3. The regiochemistry of the hydroboration/oxidation of alkenes is: a Markovnikov. b. non-Markovnikov c. subject to solvent effects. d. unrelated to alkene structure. 5. Which of the following carbocations is the least stableone? D. CHE C d. CHE CH H₂C-¢. H-C H₂C-¢. сн. 6. Which of the following statement is NOT correct? a. Alkenes react with H, in...
need help with last hw problems, please explain and the answers thank you O Rank the substituents below from hiahest priority to lowest using the Cann-ingold, Prelog sequence rules. B. -OH A. A>D>C>B B. B>D>A>C A.-CEN C. A>B>D>C D. D>B>A>C C.-CECH D. C.CH 7. The regiochemistry of hydroboration/oxidation of alkenesis A. Markovnikov. B. Anti-Markovnikov. C. Subject to solvent effects. D. Unrelated to alkene structure. 8. Assign the correct E or Z. cis or trans configuration to the following structure. OH...
QUESTION 3 The hydroboration-oxidation reaction produces a O A Markovnikov O B. anti-Markovnikov addition. O C syn addition D. anti addition E Markovnikov and anti addition addition O F. anti-Markovnikov and syn addition
What would be the major hydroboration/oxidation of alkenes: product of the following 3 [ ] c, CH-CECHCH, CH3 4. wh . What would be the products of the treatment of the following al kene with one, followed by dimethyl sulfide? Each carbocation is capable of rearranging to a more stable courbocation. Limiting yourself to a single 1,2-shift (metry or hydride), Suggest a structure for the rearranged carbocation 6. Provide the structure of the alkene that could be converted to the...
need help with last hw problems please explain and the answers thank you The regiochemistry of oxymercuration/demercuration of alkenes is A. Anti-Markovnikov. B. Markovnikov. C. Subject to solvent effects. D. Unrelated to alkene structure. Which compound has a net molecular dipole? H HHH D. H HH B. ІН The correct IUPAC name for the compound shown below is A. (3E)-3,7-dimethyl-1,3,6-octatriene B. (3Z)-3,7-dimethyl-1,3,6-octatriene C. (3E,6E)-3,7-dimethyl-1,3,6-octatriene D. (3Z,6E)-3,7-dimethyl-1,3,6-octatriene • The correct IUPAC name for the compound shown below is A. (2E, 4E)-5-ethyl-2,4-heptadiene...
8. What is the major product of the following reaction? Cн, CH Cl (solvent) C сн, a сн, CH CH H OH H OH OH 9. What is the degree of unsaturation of C10H12N203? a 4 b.5 c. 6 d.7 10. Which of the following statement about using curved arrows in polar reaction mechanism is true? a. The nucleophile can be either negatively charged or positively charged. b. The electrophile must be neutral. c. Electrons move from a nucleophilic source...
Wllleh one of the Kekulé structures is not consistent with valence rules? но 0-11 3. How many degeęs un of unsaturation (double bond equivalents) are found in 3,6-dimethyl-1-cyclohexene The regiochemistry of oxymercuration/demercuration of alkenes is Markovnikov with no rearrangements 4. a. b. anti-Markovnikov c. subject to solvent effects. a. first-order b. second-order c.cannot be determined a. syn b. trans c. anti d. random d. Markovnikov with rearrangements The kinetics of this reaction is -300% 5· Hip-a c, cannot be determined...
11. Consider the hydroboration oxidation and oxymeruration reactions Which of the following statements is TRUE? A) Both reactions will give the Markovnikov product. B) Both reactions will give the Anti-Markovnikov product C) Both reactions are subject to carbocation rearrangements D) Both reactions give alcohols with hydroboration giving anti- Markvnikov addition, oxymercuration giving Markonikov addition E) Product of this oxymercuration reaction could be achieved by using dilute H2SO4 12. Which reagents could be used to achieve the following transformation? Pick the most correct answer (where each step gives...