5. Which of the following reagents is the best choice for the reaction shown below? CH Cн, A) H2O2 B) LAH C) POCI D)...
3. Which of the following is the best choice Boice for the reaction shown below? ch A) H.O. B) LAH C) POCH D) OsO E) O 6. Which of the following reagents can be used owing reagents can be used to cart cyclopentanol to cyclopentane A) TOSCL, pyridine followed by LAH B) Na2Cr207, H2SO4 C) NaBH4 followed by H30+ D) POClypyr, followed by H2, Pt E) both A and D 7. What is the product of the following reaction? OH...
Which of the reagents would cause this reaction? QUESTION 7 hako ar a. H2S04 b. NaOH OC. Ag2O, NH4OH, H20 d. BrH4 e. LiAlH4 f. NaBH4 9. Nah Oh. CrO3, HCl, pyridine O. Cro3, H2SO4, H20
6 Identify the major HO product of this reaction. CHH,SO A (A) -CH (B) CH (C) CH (D) -CH REMOVED 7 Identify a reagent or set of reagents to accomplish the following transformation. OH (A) Oso BOON (8) 1) Ha(OÀch Hạo 2) NaBH4 (D) HOOH (C) ) THF.BH 2) H.O, OH H10 9 Identify an important intermediate in following reaction. 39: он 1) LAH 2) 11,0 + HOCH CHÚCIE OCH GHỊ (B) (A) :OH CH, CHOCH CH,CH OH осн, 30...
What is the major product in the following reaction? CH3NH2 O NH Which reagents would best accomplish the following transformation? OH O 1. p-TsOH, HOCH CH2OH 2. CH3NH2 3. H30+ O 1. SOCl2, pyridine 2. CH3NH2 O 1. Potassium Phthalimide 2. CH3NH2 3. N2H4 O 1. CH3NH2 2. LiAlH4 3. H30+ What is the best reagent(s) for the following transformation? ? OH -NH2 O 1. TosCl, pyridine 2. Ag20, H202 3. heat 1. PBr3 2. Potassium Phthalimide 3. N2H4 O...
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...
Which reagent is required in the box for Reaction 1? A) CrO3, HCl, Pyridine B) LDA C) HBr D) NaOH E) TsCl w/ pyridine F) PBr3 G) LiAlH4 Consider the structures of Intermediate Product Y and the final product. What would be the best reagent to place in the box for Reaction 2? A) H2O B) NaOH C) Mg D) (CH3)3COK E) NaBH4 F) HCl G) CH3Br E) CrO3, H2SO4, H2O 11 Reaction 1 Intermediate Product Y Reaction 2 HO
Treatment of cyclopentanone with which of the following reagents produces cyclopentanol? Select one: a. Conc. H2SO4 b. B2H6, then H2O2/OH- c. NaBH4/EtOH d. Cr2O72-/H+ e. KMnO4
5. What is the major product for the following reaction? a. BH;:THF 4. 3.1 b. H2O2, NaOH . M OH + enantiomer HCHO HCHO ОН
6. Which of the following reagents can be used to complete the reaction shown below? CH,CH, CH2-CECH CH,CHCHECH b. H2O with H2SO/HgSo. a. BH, followed by H2O2 d. None of the above. c. O, in CH,COOH 7. Which of the following is the major product of the reaction shown below? pyridine 8. Which of the following aromatic substitution reactions is most likely to give a polysubstituted product with benzene as a reactant? a. Friedel-Crafts Acylation b. Friedel-Crafts Alkylation c. Nitration...
Explain your answer 13. Consider the following reaction. Which choice below best describes the stereochemistry of the product(s) (circle one)? (A) R major product, and optically active (B) S major product, and optically active (C) Both S and R, and optically inactive (D) S major product, and optically inactive soci, pyridine Product(s) OH