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- 7. Reaction Scheme. NH₂ NH2 or two differnet methods (no same steps/reagents) C5H12N2 1. xs Mel, xs K2CO3 2. Ag2O, H₂O 3. heat Br2, xs NaOH, xs H₂O OHC 1.03 2. DMS CHOg. Sn1 SN2 E1 Е2 CH3 H3C- -CH3 ČH3 + HI Product(s) of reaction g.Provide the reagents. Но + enantiomer A 1. KOt-Bu, heat 2. mCPBA 3. MeMgBr 4. H2O B. 1. conc. H,SO4, heat 2. MCPBA 3. MeBr С. 1. РBгз 2. KOt-Bu 3. mCPBA 4. MeMgBr 5. H2O D. 1. Br2, hv 2. KOt-Bu 3. mCPBA 4. MeMgBr 5. H2O E. 1. Br2, hv 2. KOt-Bu 3. MCPBA 4. MeBr 5. H2O F. 1. Br2, FeBr3 2. KOt-Bu 3. mCPBA 4. MeMgBr 5. H2O G. 1. Br2, FeBr3 2. KOt-Bu 3. mCPBA 4. MeBr 5. H20
- Which of the following provides a synthetic route to convert 3-iodo-2-methyl-1- butene into 2-methyl-2-butene? 1. NaOH; 2. H₂, Pt 1. H₂, Pt; 2. Br2 1. H₂, Pt; 2. NaOEt 1. H₂, Ni₂B; 2. KOtBu 1. H₂, Pt; 2. KOtBuselect reagents: cyclopentanone Reagents a. C6H5CHO b. NaOH, ethanol c. Pyrrolidine, cat. Hj. d. H₂C=CHCN e. H3O+ f. LDA g. A) bg EtOC(=O)CO₂Et h. i. B) ka k. I. m. O: BrCH₂CH=CH₂ NatOEt, ethanol Br₂, H+ K+ t-BUO™ CH2(CO2Et)z heat C) jh CO₂Et D) Imمگر compound e Reagents a. HX b. c. H₂O, H₂SO4 d. X₂ e. H₂. Pd 1. X₂, H₂O g. Oso, then NaHSO, h. 1. j. HBr, H₂O₂. hv k. 1. compound a bb Hg(OAc)₂, H₂O then NaBH, BH, then H₂O₂. NaOH O, then (CH₂)₂S 2 equivalents of NaNH₂ H₂, Lindlar's catalyst P. adi✔ m. Na/NH₂ n. H₂SO₂, HgSO4 o 9₁ bb r. compound b compound c S L PBr u SOCI₂ V. H₂PO w. H₂CrO₂ X PCC compound f (sia) BH then H₂O₂, NaOH 1 equivalent of NaNH₂ NBS, hy Br₂, hv (CH₂)₂CO¹K* compound d y. Z aa. bb. Na 104 mCPBA NaOH, H₂O compound g
- i. 3-methyl-1-butene with HBr CH3 H,C=CH-CH-CH3 Major Product(s) of i. j. 2-methylbut-1-ene + Br2 in CH3OH CH3 H2C=CH-CH2-CH3 Major Product(s) of j.Select the major product for the following reactions Br₂ EtOH A. B. C. D. E. Me e H H + enantiomer Br.. Ber: JBr + enantiomer Asal Br +enantiomer Eto... enantiomer QEt + enantiomer13:15 ll 4G O 5. What is a dienophile? O A. "diene-loving" O B. has one pi bond OC. reacts with diene O D.All of them above Add a caption... > Status (Custom) +
- 69 68 diene dienophile 68. A. В. D. none of these 69. В. D. none of these + CH212 Zn/Cu 70 ether 70. А. C. D. B.13:20 4G O 8. Which factors affect the reaction rate in Diels-Alder reactions? OA Electron donating group on the diene and electron withdrawing group on dienophile. OB. Electron donating group on both the diene and the dienophile. OC Electron withdrawing group on both the diene and the dienophile. OD. Addition of catalyst Add a caption... > Status (Custom) +4. Provide the missing reagent(s) and major product(s) for the following reactions. a. a.ii. b. НО. A + B a.i. H₂SO4 (conc.), A pyridine a.iii. HO a.iv. CI OH A B