6. Complete Gabriel synthesis of D,L-phenylalanine 1 NNa BCH(CO,Et)2 1. NaOET 2. BrCH Ph NaOH сон...
2. Complete Gabriel synthesis of D, L-leucine BrCH(CO2Et)2 1. NaOEt NNa w COH + CO2 + DI a co₂h
(more synthesis, continued. 2 points each) 2 Bra 2 NaOH Ph water g. 1. LDA 1. NaOCHs CHOH 2. BrCH CH2CHs 3. H', H20, heat H Ph (warmup, long time) NaOEt k. OEt EtOH 1. PPhs Br 2. BuLi 3.
Draw the missing structure. NaOEt Ph-N PhNH2 50 + Coret / CO,Et (2 equiv) EtOH corer cozet 1) NaOH, H2O 2) H30, heat
Propose a synthesis for the following transformation 1) Bn hv 2) NaOEt 5) ? Choose from the following list of reagents: Fe, H,0+ CuCN DMS HNO3, H2S04 Na, NH3 CH3OH NaOH EtI 03 NaNO2 HCI CO2 NaNH2 NH3 NaBH3CN CH3NH2 Reagent 3 Reagent 4: Draw compound A: Edit Reagent5
Complete the following synthesis by selecting from the list of 14 reagents below. Each reagent (or set of reagents) is labeled as a letter. In the answer box, simply place the order of reagents used as uppercase letters. For example, if your synthesis involves using reagent A followed by B and then C, and then D, your answer would be: ABCD. OLU SO3 Br2 PBra OH H2PO2 1. LiAlH4 2. H20 NaNO2 HCI H2SO4 FeBrz H2O, heat HNO3 NaBH3CN NBS...
1. How many moles of solute are in 2 L of 3 M NaOH solution? 6 moles 1.5 moles 2 moles 3 moles Identify the soluble substance in water. 2. CaCO3(s) CCI4(I) 12(s) HCI(g) 3. Which of the following is an ionic compound? C6H12O6 H20 CaC12 CO2 Which one of the following solutions has the lowest pH? 4. rubbing alcohol (70% isopropyl alcohol) ammonia water NaHCO3 solutioin vinegar (5% acetic acid)
Select the reagent needed to complete the three-step synthesis below. Step 1 Step 2 A NaOet B. CH2CO3H C. Na2C1207. H2SO4 H20 D. OO, then NaHSO3 Step 3 EPBiz F. Mg. Et20 G. NBS, heat H.Br2 in CH2Cl2 1 SOCl2 J.H3O KHBr
Question 6 (1 point) Which of the following can be prepared by acetoacetic ester synthesis? CO, 1 Question 7 (1 point) What is the order of acid strength from strongest to weakest acid? floath the oth OA) 2>1>4>3 OB) 1>2>3>4 C) 3>4>1>2 D) 2>4>1>3 O R H V B N Question 8 (1 point) What is the IUPAC name for this compound? COH CH,CH,CHCH,CH.CH O2-Ethyl-2-propyl-acetic acid 3-Hexylcarboxylic acid 2 Ethylpentanoic acid 2-Propylbutanoic acid Question 9 (1 point) 16 O 7...
2. If you prepared a 0.15 M CH.COH - 0.15 M CHCO Na buffer, would you expect the resulting buffer capacity to be higher, lower, or the same as the buffer you prepared in Part II of this lab? Be specific and use your data. c. Measure the pH of the Beaker #2 solution, via a pH meter, and record in data sheet. Part II: Dilute Buffer Solution In this section, the pH of a 0.25 M CH3CO2H - 0.25...
question 2 and 6 thabk you Exercises 1. (a) Calculate the volume of 6 M NaOH required to react completely with the amount of methyl salicylate you used. How much of the 6 M NaOH that you used was in excess of the theoretical amount? (b) What volume of 3 M H SO is needed to neutralize all of the disodium salicylate and the excess NaOH present after the initial reaction? How much sulfuric acid was in excess? 2. Refer...