Homework Answers
i) ketone reacts with grignard reagent ( RMgX ) and undergoes nucleophilic addition reaction and forms the alcohol is the product
ii) NaOH is strong base and favours E2 Elimination reaction here the condition is both the leaving group and hydrogen anti to each other I.e above and below the plane so it removes proton from less hindered carbon containing hydrogen and forms the alkene is the product
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Draw the major products of the following reactions. Clearly explain the formation of the major products using appropria...
Q1. Products I and II are the major products observed in their respective hydration reactions. What...
Q1. Products I and II are the major products observed in their respective hydration reactions. What are the identities of I and II? (Look back at the mechanisms and intermediates you form in each case). H30* I) Hg(OAC)2, H2O ii) NaBH4 a) 1 = A; 11 = B b) 1 = B; II = A c) Both I and II = A d) Both I and II = B e) 1 = C; || = A f) I = B;...
(b) For three of the following examples suggest reagents that would perform the following synthetic conversions...
(b) For three of the following examples suggest reagents that would perform the following synthetic conversions (in each case more than one step may be required; you do NOT need to draw mechanisms) [3 x 3 OH (i) (in) NH2 (ii) Ph Ph CN (iv) Ph OH Ph NMe2 Draw mechanisms to explain the outcomes of the two following reactions (c) 2 x 3] Он MeMgBr Ph OEt 'Me Me Ph then H30* MeMgBr Ph NMe2 Ph Me then H3O
Using appropriate mechanisms, explain formation of given products in the following reactions and discuss why reaction (...
Using appropriate mechanisms, explain formation of given products in the following reactions and discuss why reaction (A) goes 670 times faster than reaction (B). ососни сн,со OCOCHE CHECO,H k = 670 OTS "OCOCH OCOCH, CH.COM CH3COH OCOCHE OTS k = 1 OCOCHE
Draw the mechanism arrows for the formation of the two products in the following E1 reactions....
Draw the mechanism arrows for the formation of the two products in the following E1 reactions. Predict the major and minor product using the Zaitsev rule. (Note that S_N1 products are also formed in these reactions.)
Problem 9: In the reaction below circle the major product. Clearly explain your an Hint: Draw...
Problem 9: In the reaction below circle the major product. Clearly explain your an Hint: Draw mechanisms that explain the formation of the products. CY=OY.AL 'yun. Chemistry Organic Chemistry Problems SNT Problem 10: What is the mechanism of the following reaction? Problem 12: Draw a mechanism for the following reaction. Explain why a chiral reactant will provide racemic products. tel, CH, он Yoy + ethanol heat : Br: Problem 11: For the following reaction: 1) 1) iii) Assign Ror Sto...
Draw the products for the following reactions. Clearly indicate stereochemistry where important. 6. Draw the products...
Draw the products for the following reactions. Clearly indicate
stereochemistry where important.
6. Draw the products for the following reactions. Clearly indicate the stereochemistry where important. 12 pts Br- 1.0, 2. Zn, HO CH,OH KMnO4 1. BH3 2 NaOH, H,0 1. Os0 2. NaHSO3 CHCl,. NaOH Br2 H2. Pd 1. Hg(OAc, HO 2. NaBH
Draw the mechanisms that explain the formation of the two products below from the one starting...
Draw the mechanisms that explain the formation of the two products below from the one starting material. Show all steps and arrows (6 pts) H-SO4 heat H3C он CH3 CH3 Diels-Alder reactions involve some further stereochemical considerations that we did not talk about. Mainly, these are the formation of the endo and the exo products (starting page 361 of the book). Using the example below, explain the difference between the endo and the exo products. (5 pts) Draw mechanisms and...
Predict the major product(s) of the following reactions. Show stereochemistry where appropriate. 3 CO3H i) OsO4...
Predict the major product(s) of the following reactions. Show stereochemistry where appropriate. 3 CO3H i) OsO4 H ii) NaHSO3, H2O CHC13, KOH any cha, kot i) BH3, THF CECH 11) H2O2, NaOH Li NH (liquid) cm X Ft, H/HO (vii) Two Markovnikov products Draw the structure of alkene for each of the following reactions. OH i) BH, THF 11) H202, NaOH 1) Hg(OAc)2, H20 ii) NaBH4 1) 03 ii) Zn/H Styrene undergoes propagation to give polystyrene. Showing electron-flow using half-headed...
Draw the major product using Felkin Anh model. 1) MeMgBr ii) H30*
Draw the major product using Felkin Anh model.
1) MeMgBr ii) H30*
4. Predict the major product in the following reactions. relationship between: Lindlar cat. A and C i. m-CPBA H2 CH3 ii...
4. Predict the major product in the following reactions. relationship between: Lindlar cat. A and C i. m-CPBA H2 CH3 ii. H30* H2O Ph A B and D H2SO4 i. m-CPBA Ph CH3 heat ii. H30* H2O OH
4. Predict the major product in the following reactions. relationship between: Lindlar cat. A and C i. m-CPBA H2 CH3 ii. H30* H2O Ph A B and D H2SO4 i. m-CPBA Ph CH3 heat ii. H30* H2O OH
Q1. Products I and II are the major products observed in their respective hydration reactions. What are the identities of I and II? (Look back at the mechanisms and intermediates you form in each case). H30* I) Hg(OAC)2, H2O ii) NaBH4 a) 1 = A; 11 = B b) 1 = B; II = A c) Both I and II = A d) Both I and II = B e) 1 = C; || = A f) I = B;...
(b) For three of the following examples suggest reagents that would perform the following synthetic conversions (in each case more than one step may be required; you do NOT need to draw mechanisms) [3 x 3 OH (i) (in) NH2 (ii) Ph Ph CN (iv) Ph OH Ph NMe2 Draw mechanisms to explain the outcomes of the two following reactions (c) 2 x 3] Он MeMgBr Ph OEt 'Me Me Ph then H30* MeMgBr Ph NMe2 Ph Me then H3O
Using appropriate mechanisms, explain formation of given products in the following reactions and discuss why reaction (A) goes 670 times faster than reaction (B). ососни сн,со OCOCHE CHECO,H k = 670 OTS "OCOCH OCOCH, CH.COM CH3COH OCOCHE OTS k = 1 OCOCHE
Draw the mechanism arrows for the formation of the two products in the following E1 reactions. Predict the major and minor product using the Zaitsev rule. (Note that S_N1 products are also formed in these reactions.)
Problem 9: In the reaction below circle the major product. Clearly explain your an Hint: Draw mechanisms that explain the formation of the products. CY=OY.AL 'yun. Chemistry Organic Chemistry Problems SNT Problem 10: What is the mechanism of the following reaction? Problem 12: Draw a mechanism for the following reaction. Explain why a chiral reactant will provide racemic products. tel, CH, он Yoy + ethanol heat : Br: Problem 11: For the following reaction: 1) 1) iii) Assign Ror Sto...
Draw the products for the following reactions. Clearly indicate
stereochemistry where important.
6. Draw the products for the following reactions. Clearly indicate the stereochemistry where important. 12 pts Br- 1.0, 2. Zn, HO CH,OH KMnO4 1. BH3 2 NaOH, H,0 1. Os0 2. NaHSO3 CHCl,. NaOH Br2 H2. Pd 1. Hg(OAc, HO 2. NaBH
Draw the mechanisms that explain the formation of the two products below from the one starting material. Show all steps and arrows (6 pts) H-SO4 heat H3C он CH3 CH3 Diels-Alder reactions involve some further stereochemical considerations that we did not talk about. Mainly, these are the formation of the endo and the exo products (starting page 361 of the book). Using the example below, explain the difference between the endo and the exo products. (5 pts) Draw mechanisms and...
Predict the major product(s) of the following reactions. Show stereochemistry where appropriate. 3 CO3H i) OsO4 H ii) NaHSO3, H2O CHC13, KOH any cha, kot i) BH3, THF CECH 11) H2O2, NaOH Li NH (liquid) cm X Ft, H/HO (vii) Two Markovnikov products Draw the structure of alkene for each of the following reactions. OH i) BH, THF 11) H202, NaOH 1) Hg(OAc)2, H20 ii) NaBH4 1) 03 ii) Zn/H Styrene undergoes propagation to give polystyrene. Showing electron-flow using half-headed...
Draw the major product using Felkin Anh model.
1) MeMgBr ii) H30*
4. Predict the major product in the following reactions. relationship between: Lindlar cat. A and C i. m-CPBA H2 CH3 ii. H30* H2O Ph A B and D H2SO4 i. m-CPBA Ph CH3 heat ii. H30* H2O OH
4. Predict the major product in the following reactions. relationship between: Lindlar cat. A and C i. m-CPBA H2 CH3 ii. H30* H2O Ph A B and D H2SO4 i. m-CPBA Ph CH3 heat ii. H30* H2O OH
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