0 2.) Predict the product of each of the following reactions. Practice writing the mechanism (+1...
1. Predict the product(s) for each of the following reactions: H2SO4 NH2 a. 0 1. H2N-NH2, H2S04, -H20 H 2. KOH/H2O b. MeOH, TsOH он H2O C. H2SO4, -H20 HO d. H2O, H30+ e. H20,H30+ 2. Predict the product and draw the full pushing arrow mechanism for the following reaction NH2 H20,H30+ a. b. 3. Devise an efficient synthesis for the following transformation. HO Br Br
CHEM 3020 Practice exam 3 Give the major organic product for the following reactions: R0, H.2 HO HO Bry 1) Lithium Disopropylamide (LDA) 2) CIES o spomen 1) Lithium Disopropyl anide (LDA) OCH, CITOTT 1) OHI 2) CHI OH Give all possible products from the following mixed aldol reaction and show how they can be formed. Show the mechanism for the keto enol tautomerization of 2-propanone in both acid and in base.
CHEM 3020 Practice exam 3 Give the major organic product for the following reactions: R0, H.2 HO HO Bry 1) Lithium Disopropylamide (LDA) 2) CIES o spomen 1) Lithium Disopropyl anide (LDA) OCH, CITOTT 1) OHI 2) CHI OH Give all possible products from the following mixed aldol reaction and show how they can be formed. Show the mechanism for the keto enol tautomerization of 2-propanone in both acid and in base.
3) Identify the reagents that you would use to produce the
following compounds using a Claisen condensation.
4) For the following reaction, predict the major product and
propose a mechanism for its formation.
3. Identify the reagents that you would use to produce the following compounds using a Claisen condensation. 4. For each of the following reactions, predict the major product and propose a mechanism for its formation. 1) LDA. 2) CHal
Draw the mechanism and predict the major product for each of the following reactions. (b) 0 la) 0 1. KCN, HO 2 2. H SO 1. KCN, HẠO. 2. 2. H,SO 1. CH MgBr, ether 2. H2O 2 (e) 0 2°Cull 2. H2O CH,CH SNa 2. Ethanol
Predict the major organic product for the following organic
reactions. Show intermediates when required. If the product is
given then provide the appropriate reagents above the arrow in the
reaction.
Me 1. LDA, -78°C 2. TMSCI I. LDA, -78°C 1. Eto, R.T. 2. Mel Provide repent to make the Stork Enamine Me 1) CHI 2) H,O, HO (Hydrolysis) |C,HO Provide reagents
1. Predict the product or the reactant of the following reactions. 1. 03 KMnO4 HO 2. Zn/ACOH 1. 1.03 2. Zn/ACOR CH3-0 ^ “ct-o. there m i on.cono 2. Identify A, B, C, D Bre, hvA NaOH Bry, H,0 3. Identify the structure of the compounds A, B, and C in the diagram below. Pay attention to the stereochemistry when it is relevant. 1. 03 com" 2. Zn/ACOH Unknown A: CH16 1. NBS 2. H2O 1. CoH.COH 2. H,O*
Predict the product of the following reaction and then draw a stepwise mechanism for its formation: Part 1: M OH H,804 OH H2SO4 view structure Part 2: O 0 H2O H2SO4 - > + OHSO4 view structure view structure SO2 Part 3 out of 3 0 O H2SO4 HO он H20+ 0 0 HSO4 + + - 0.0 0 window open 0 1,0 ОСН,ОН
3. Predict the major product (only one product) in each of the
following reactions and indicate the type of mechanism.
3. Predict the major product (only one product) in each of the following reactions and indicate the type of mechanism. (3 pts; no partial point) Mechanism Sn2 Sn1 HO HBr moy ng heo 0°C, H2O E2 E1 Mechanism Sn2 Sn1 H2SO4 E2 E1 Mechanism HBr SN2 Sn1 rt, H20 E2 E1 OH
Predict the major product (only one product) in each of the
following reactions and indicate the type of mechanism.
Mechanism SN2 SN1 НО. HBr 0°С, НаО E2 Е1 Mechanism ОН SN2 SN1 H2SO4 Е2 Е1 Mechanism SN2 SN1 HBr D rt, H2O E2 Е1 ОН