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- In each reaction box, place the best reagent and conditions from the given list. H3C H₂C OH CH₂COO™ H₂O+ H₂SO₂, conc. CH3 CH,O 1) 2) 3) 4) Answer Bank H₂O₂, NaOH, H,O NaBH₂ TSCI, pyridine NaOH H₂C BH₂, THF (CH,), CO" 'OH CH3In each reaction box, place the best reagent and conditions from the list below он ... он 2) 3) HаCrOд Н2О2, NaOH, H20 Br2 Cl2, H20 PCI3 ВН- THF H2SO4 (conc.) dilute H3O* NaBH4 in EtOH6). What is the major product of the following reactions? (A) -? coon 1). NaOH in ErOH, then H,O+ 2). 1 eqiv. NaOEt 3). 1 equiv. CH3Br 4). H₂O*, Heat COOB (Intramolecular Claison) COOE (B) CH₂ COOH (D) CH₂ (E) CH3 CH₂
- a. b. Propose a mechanism and final product for the following reactions. SiMe3 PhB(OH)2 cat. Pd(PPH3)4 Na₂CO3 S S Ph CO₂Et cat. Pd(OAc)2 K₂CO3, Bu4N+ I- C13H16SSi C15H14O2SSteps 'H. Which reaction steps would you use to carry out the synthesis shown? phenylacetylene 1. Na/NH3; CH3CH2Br 1. Hвr 2. (C2H5)2CULI 1. HBr 2. NaNH2; CHЗCH2Br 1. NaNH2; CH3CH2Br 2. LI/NH3In each reaction box, place the best reagent and conditions from the list below. Br 1) Br 2) 3) 4) Br2, H20 PBr3 ВныTHF CH;CO0- (CH3);CO dilute H30* NABH4 H2CrO4 H2O2, NAOH, H2o
- The correct answer is C, can you please draw the mechanism to form the product shown? OH Ме, OH A. 1. MeMgBr (1 eq.) 2. TMSCI, Et,N 3. Swern Oxidation (excess) B. 1. CrO3, pyridine, H20 2. MeMgBr (excess) 4. TBAF C. 1. TMSCI, Et,N 2. MeMgBr (1 eq.) 3. TBAF D. 1. Swern oxidation 2. MeMgBr (exceess) 4. CrO3, pyridine1. Draw the mechanism for the following reactions. -CH3 Br₂, Nal а. b. c. HC H3C CH3 CH3 CH₂ х H. H2O HCI H3C H3C 1) Hg(OAc)2, CH3OH 2) NaBH4 CH3 CI H3C OH CH3Find major product of this - show reaction mechanism and all selectivity. а.) Brz hy b.) Rha COAC)4 Et oH, A N2
- Identify compounds A-I in the following synthesis scheme. CUCN D conc HNO3 1. HCI, Fe NaNO2 A 2. NaOH В HCI Same as above Br2 Mg(s). F Et,0 1. D NaBH4 1. NaH >E FeBr3 G ELOH 2. H2О (еxcess), H,SO4 2. C6H5CH,BrExamine each reaction. Determine the mechanism (E1, E2, SN1, or SN2) for each reaction. SN1 E2 E1 SN2 CH2CH3 OocCHa)s CH2CH3 CH2CH3 А. Br major product Br DBU В. OOCH,CH, C. „Br Ooc(CH)a D.Which conditions will produce the target product in the highest yield? O A) 1. BH3; 2. H₂O₂, NaOH, H₂O B) 1. OsO; 2. S(CH3)2 C) 1. Hg(OAc)₂, H₂O; 2. NaBH4 D) H₂SO4, H₂O A ? B OH racemic mixture