Select the best reagents for the reaction below. ex 1. Os04; 2. NaHSO3, H20 а. 1. Hg(OAc)2, H2O; 2. NABH4 b. 1. RCO3H; 2. H30* C. H2SO4, H20 d. 1. O3; 2. DMS е.
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- Name the following structure CI 1111 A. (45)-4-Chloro-4-methyl-2-hexyne B. (35)-3-Chloro-3-methyl-4-heptyne C. (3R)-3-Chloro-3-methyl-4-hexyne D. (4R)-4-Chloro-4-methyl-2-hexyneSelect the correct reaction. O a. O b. ос Od. o e. 1. LAH OH OH OH OH OH OH 2. PCC 3. CH3CH2Li 4. H3O+ 1. SOCI₂ 2. (CH3CH2)2CuLi 3. H3O+ 1. CH3CH2OH, HA 2. CH3CH2MgBr 3. H3O+ 1. CH3CH2NH2, DCC 2. LAH 1. SOCI₂ 2. CH3CH2Li 3. H3O+ OH of OH of OH? Reactions You May Utilize: 1. BH3 2. H₂O2 / OH 3. SOC1₂ 4. Ph3P=CH₂ 5. 2 Li 6. CH3OH 7. HI loon OCH 3 8. K₂Cr₂O7 / H₂SO4 9. HOCH₂CH₂OH/H 10. H₂O/H3O+
- 4. Predict the major product for the following reactions. 1. SOCI₂, pyr 2. PhMgBr 3. H a. b. C. d. e. f. 9. NH₂ NH₂ OTS CI 1. H3O*, heat 2. SOCI₂, pyr 1. HNO3, H₂SO4 2. H₂, Pt NH₂ 3. NaNO₂, HCI 4. CuCN 5. H3O*, heat 1. Br₂, FeBr3 2. SOCI₂, pyr. 1. 2 2. xs LAH 3. H₂O 1. HBr, ether 2. NaCN 3. PhMgBr 4. H* 1. NaCN 2. LiAlH4 (xs) 3. H₂O 4. NH₂Choose the best reagents to complete the reaction shown below. 1118 1. PhMgBr 2. H3O+ OH "Br a (P) A B C D E conc. HBr 1. LiAlH4 2. H3O* 1. H3O+ 2. NaBH4 1. PhLi 2. H3O+ 1. PhMgBr 2. H3O+Choose the most correct set of reagents for the following reactions. 1.? OMe 2. ? a. 1. MsCI, pyridine; 2. NaOH, H2O2, H2O b. 1. HCI, pyridine NaOCH3, CH;OH c. 1. Pl3, pyridine; 2. NaOCH3, CH;OH d. 1. TSCI, pyridine; 2. NaOCH3, CH3OH e. 1. CH30", pyridine; 2. H* f. 1. PBr3, pyridine; 2. H*
- Which option is the major product expected for the reaction below? a. b. C. d. CHO NaOH (trace) H₂O o HO OH OH OH CHO or ?Identify the best reagents to complete the following reaction. 1. NaOH A 2. CH3CH2CH2NH2 1. HCI В 2. CH3CH2CH2NH2 ОН CH3CH2CH2NH2 C 1. SOCI2 D 2. CH3CH2CH2NH2 1. CH3CH2CH2NH2 E 2. SOCI2 NH,5. Predict the product of each reaction. Ph Hem Ph CN OEt CN 1. mCPBA, K₂CO₂ 2. H₂O* 3. DCC, NH₂ 4. LiAlH, then H₂O* 1. MeMgBr then H₂O*+ 2. Br2 . CH3CO,H 3. KOLBu 4. Ph₂Culi then H₂O* 1. NaOEt 2. Ph Br 3. LiAlH, then H₂O (no heat) 요 4. TSOH, 1. LDA Br 2. 3. H₂O* 4. SOCI₂ then ONa
- 16. What is the major product of the following reaction? NO₂ A. I B. II C. III D. IV O₂N- O₂N- -CI OCH3 -CI NaOCH3 HCO. II NO₂ -CI O₂N- III NO₂ -CI OCH3 O₂N- IV NO₂ -OCH₂21. For the reaction described below. CH3 Select the best reagents: a) 1. OsO4, pyridine 2. NaHSO3, H₂O b) 1. Hg(OAc)2, H₂O 2. NaBH4 c) 1. RCO3H, CH2Cl2 2. H3O+ d) 1. BH3, THF 2. H₂O2, OH CH3 "OH 20 hetos to dess the cWhich is the best method for the following transformation? OH A. 1. BH3, THF 2. H₂O₂, OH- B. H¹, H₂O C. concentrated H₂SO4 D. 1. Hg(OAc)2, H₂O 2. NaBH4