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- What reagents would you use to carry out the following reaction? (A) H₂ / Pt (B) (C) (D) H₂/Lindlar's ??? Li, EtNH₂ followed by NH4Cl H₂O₂ / NaOHPredict the correct product from the reaction shown. (1) Hg(OAc); THF, HO (1) (2) NaBH, HO (2) HO HO Compound (3) a. b. Compound (1) Compound (4) C. Compound (2) d.Complete the following reactions by giving appropriate reagents: Zn(Hg) (1)? AICI HCI HNO₂ CI H₂SO4 (3)? (4)? NO₂ (2)?
- What is the major product of the following reaction sequence? 1) NBS (one equiv.), heat 2) t-BUOK Br (b) (c) O A. (a) В. (b) С. (с) D. (d)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*Provide the missing compounds and reagents in the reaction scheme. Identify reagent 5. OH reagent 2 reagent 1 H2SO4 но Compound 1 (conc.) 1) BH3 2) H,O, H,SO, (conc.) NaOH, H2O reagent 3 CrO3, H* A Compound 4 NABH4 1) O3 2) Zn, H;O* reagent 5 reagent 4 H,SO4 Compound 3 Compound 2 1) CH;MgBr (conc.) 2) H;O+ Identify reagent 1. Identify reagent 2. Identify reagent 3. Identify reagent 4. 1) CH3MGB1 2) H;O* H,SO̟ (conc.) H,SO, (conc.) H,SO, (conc.) CrO3, H+ 1) ВН, NaBH4 1) O3 NaBH, 2) H2O2 2) Zn, H3O* 1) CH,MgBr 1) BH3 NaBH, 2) H3O+ NABH, 2) H,O2 1) CH;MgBr 1) O3 1) BH3 1) O3 2) Zn, H3O* 2) H;0* 2) Zn, H,O+ 2) H,O2 1) O3 CrO3, H+ CrO3, H+ H,SO4 (conc.) 2) Zn, H,O* 1) CH; MgBr 2) H,0* 1) ВН, CrO3, H* 2) H,O,
- Choose the most correct set of reagents for the following reactions. OH 1. ? OMe 2. ? а. 1. MSCI, рyridine; 2. NaOCHз, СHзОН b. 1. HСІ, рyridine; 2. NaOCH3, CH3ОН с. 1. PC(33, SOCI2; 2. NaOCH3, CHОН d. 1. TSCI, pyridine; 2. NaOCH3, сH,он е. 1. СН3О-, рyridine; 2. H* f. 1. Pl3, руridine;B 2. -0СH3 a b C d e fProvide the species or reagents needed to complete the reaction map. Refer to the following choices. OH H₂ Bra Cl₂ H₂O A Bra CH₂Cl₂ B 1) 080₁ 2) NaHSO₂, H₂O с Pd/C H₂O D E **&& Bad HO OH da H K M (2) (1) 1) BH,, THF 2) H₂O₂, OH- CI OH Ga Br Br - OH 1) Hg(OAc) H₂O/THF 2) NaBH, (10) (9) OH un (8) mCPBA CH₂Cl₂ H₂O* (6) (7) (3) 1) 0₂ 2) Zn, H₂O KMnO H₂O* (5)6B. Write a reaction scheme to selectively synthesize the following: OH OMe H3C OMe
- Arrange the following reagents in INCREASING order of * nucleophilicity* in protic solvent: NaOCH, NaSCH, CH;OH CH,SH CH;CO,H Next arrange them in increasing order of nucleophilicity in aprotic solvent. Next arrange them in increasing order of basicity. Explain any differences between the different orderings.Show how products A, B and C can be derived from each of the starting material. More than one step is required. (i). (ii). (iii). OH OH Step 1 Step 2 Step 1 Step 2 Step 1 Br -Br Compound A Compound B Step 2 CI OH Compound CWhich of the organometalic reagents is the most suitable for the following reaction? a. 1.PhMgBr 2. H+ b. 1. PҺCI 2. Н+ Ph. Ph Ph. Ph ? Ph c. 1. Ph2CuLi 2. H+ d. H/Ni ОН