Which of the following is the correct structure of Compound A? 1) Br, CH C 2)...
Check work HBe (2 eq) 1-CH,CH Br H-Cac- Na 2.NaNH, 3 (CH,), CBr Lindlar's catalyst Lindlar catalyst CH H20 H2, Pd C KMnO4 CH CH a
Which reaction sequence best accomplishes this transformation HCECH Br -Br (2R,3S)-2,3-dibromobutane A) 1. NaNH 2. CH,Br 1. NaNH, Bri H2 2. CH,Br Lindlar's catalyst B) HBr HBr 1. NaNH, 2. CH,Br 1. NaNH, 2. CH, Br C) Brz 1. NaNH, 2. CH,CH, Br D) Na NH 1. NaNH, 2. CH.BA 1. NaNH, 2CH.Br
1. Which sequence of reagents will carry out the transformation shown below? 2. Give the correct IUPAC name for the compound depicted at the right. Include correct stereochemical designations. 8. Which sequence of reagents will carry out the transformation shown below? Whichequence of reagents will carry out the transformation shown bew? H3C-C= C-H - H₂C CH3 CH НАСС -С a. Hz, Lindlar's b. Na/NH, C. 1) NaNH/NH3; 2) CH2Br; 3) Na/NH d. 1) NaNH/NH3; 2) CH2Br; 3) H2, Lindlars e....
21) Which of the following is not a nucleophile? A) Br B) FeBr3 C) NH3 D) - E) CH3OCH3 22) An unknown compound, C9H12, gave the following NMR spectrum: Triplet at 1.21 ppm (3H) Singlet at 2.30 ppm (3H) Quartet at 2.60 ppm (2H) Singlet at 7.04 ppm (4H) What is the structure of the compound? A CH,CH,CH, v. CHA CH; CH2CH3 СН3 V. CH CH3 CH CHCH3 СН3 CH3 A) 1 B) II C) III D) IV E) V
15. H.Pd 16. 17. 17. H3C 1) NaNH, 2) CH CH,Br 3) Lindlar's H2 18. 1) KMnO4(aq) warm, OH 2) H30+ 19. -CH3 excess Br? 20. 1) 1 equiv. HBr. peoxides 2) HCI
, The reagents needed to convert 2-butyne to frans-2-butene are A) H2 and Pt/C B) H/Lindlar's catalyst C) L/NH D) Ca/NHs E) H2,LİNH3 For questions 15 through 17, identify the major product for each of the reactions. 15. 2 Br2 H-CH, ether Br CH s B) HC c) A) HyC Br Br. Br CH Br CH3 E) H D) HC 16. 1. BH,/THF он A) он он E) D) 1. NaNH/THF 2. CH,Br B) A) Page 13 of 15 HjC
What is the major product of the following reaction? HBr (1 eq.) Br Br А Br B с D Br A B С What is the major product of the following reaction? COOME A COOME COOME COOME COOME COOME B D COOME COOM COOM COOME OA OB D What is the best method to synthesize the following product from the given starting material? Br Br H A 1) NaNH2 2) CHgBr 3) H2. Pd/C 4) Br2 B 1) NaNH2 2)...
Select the best reagents for each of the following transformations. You should only use each set of reagents once. You can record your answers on this worksheet, or type/write on another sheet of paper. You only need to submit the question number and the letter corresponding to the set of reagents from the table below. A E 1) 9-BBN H2(g), Pd/C 1 eq. HBr 2 eq. HBr H2SO4, HgSO4, H, 2) H2O, NaOH(aq) H H2(g), Lindlar's catalyst Naº, NH3(1), -78...
How would you synthesize the following compound from acetylene and reagents in the table? Choose the most efficient route. Specify reagents using letters from the table, first reagent on the left. Example: ab H H CH3CH2CH2 CH2CH3 a. Br2 b. CH3CH I Reagents available d. CH3 CH2CH2CH2Br g. KOH/ ethanol e. Hy / Lindlar's catalyst | h. NaNH / NH3 f. 1. BHz in THF 2. H2O2 in NaOH c. CH3 CH, CH,Br Reagents (in order of use) are Submit...
Select the best reagents for each of the following transformations. You should only use each set of reagents once. You can record your answers on this worksheet, or type/write on another sheet of paper. You only need to submit the question number and the letter corresponding to the set of reagents from the table below. A H2(g), Pd/C 1 eq. HBr 2 eq. HBr H2SO4, HgSO4, H, 1) 9-BBN 2) H202, NaOH(aq) H Naº, NH3(1), -78 °C 1 eq. Br,...