based on the reactivity of reagent and the possible products are as follows
4) Draw the products of the following reactions. No mechanisms. (6 points each two-step process, 4...
4. (26 pts) Draw the products of the following reactions. If more than one product is expected, indicate which would be the major product, if predictable. Include stereochemistry where relevant: NaOEt NaoMe I- BOK NaSH NaOEt NaOH NaOH H2SO4 heat
4. Draw the products of the following sequences of reactions. 1) NaOET, HOE 1) NaOEt Eto OEt 2) H3O+ 2) Br | 1) LDA, -78°C 2) 0 H30+ heat H 3) NaOH, heat 1) LDA (1.1 equiv), -78°C, THE 2) CH3Br 1) CH3CH2MgBr 2) H30* H2, Pd-C LU H2SO4 NaOH, H2O 1) LDA, -78°C 2) HOE 3) H30+ 1) O3 2) CH2SCH3
1. Predict the major organic products of the following reactions. Draw all stereoisomers that are formed. НО, OH 1 eq ,H2SO4 (assume H2O workup of reaction to neutralize product) 1. LDA 2. (assume H,O workup of reaction to neutralize product) 3. Hg(OAC)2 4. NaBH, EtOH 1eq HBr EtOH ambiente 1. Brz. CCL 2. NaOET, ETOH OH
Question 6 (9 marks) Give the products of the following reactions (do not supply mechanisms, just give the product structure) NaNH2 a. H3C = H + LDA -78 °C olive O NaOet — + NaOEt OEt (3+3+3 marks)
5. (25 Points) Draw all products for the following two reactions. Be sure to indicate stereochemistry if it is relevant. Clearly state whether each product came from an E1, SX1, E2, or S2 reaction. NaOME MeOH, heat
Question 3 (a) Predict the products A-F of the following reactions (no mechanisms are required): Na CO2 A NO2 Na SME HNMez POCI3 HNO3, H2SO4 H2, Pd/C NaNO2, HCI then H2O, warm [6 marks) (b) Suggest a mechanism for the following reaction: H2SO4
13. Reactions: Fill in the missing products for each of the boxes in the following reaction sequences. (30) OH Na2Cr2O7 H2SO4 H2O PCC NaBH HOCH, PBr3 Br2, H20 NaH BrMg- 2. H2O* NaOEt 1. OsO4 2. NaHSO3
1. Give the missing reagents, reactants or products for each of the following reactions. KOC(CH . (E2) 1.BH 2. H2O NaOH, HÔ PCC HB/ROOR how many stereoisomers? how many stereoisomers? PCC Excess H2O H CH2C12 HB Nal SN2 give one stereoisomer SN2 NaCN ACN (solvent) KMnO4 HO H2SO mCPBA NaOEt (E2) H2SO4 (cat) don't worry about this reaction OH OH KMnO4 H2SO4 NaOEt (E2) mCPBA H2SO4 (cat) don't worry about this reaction OH Рcc CH2C12 HI (SN1)
Draw the structure of the product/products in each of the following reactions, Figure 5 8 marks O 1.PhL (2 equivalents) C15H10O + H2O 2 HCI, H2O 1. LIAH4HAIH3 2. HCI, H20 Ph H (iv) CsH1202 NaOMe MeOH Figure 5 Discuss the mechanism for any two of the reactions in Figure 5 22 marks b.
1. Give the missing reagents, reactants or products for each of the following reactions. KOC(CH3)2 (E2) 1. BH3 2. H2O2, NaOH, H2O PCC HBr/ROOR how many stereoisomers? PCC ad Excess H, H CH2Cl2 OT_HBr SN2 give one stereoisomer SN2 NaCN ACN (solvent) KMnO4 H2SO4 NaOEt (E2) mCPBA H2SO4 (cat) don't worry about this reaction ОН PCC CH2Cl2 NaOEt (E2) mCPBA H2SO4 (cat) don't worry about this reaction OH PCC CH2Cl2 HI (SN1)