Homework Answers
The starting compound in each of these reactions is butanone which is a ketone.
1. Reaction of butanone with ammonia at pH=5
It is a nucleophilic addition reaction in which ketones react with ammonia (nucleophile) to form imine. This reaction is reversible and is acid catalysed (pH=5 means acidic conditions). The equilibrium favours the formation of product by rapid dehydration (i.e. elimination of water) of the intermediate to form imine as shown.
2. Reaction of butanone with
Isopropyl magnesium bromide i.e. i-PrMgBr (Grignard reagent)
followed by water
Reaction of grignard reagent with ketones followed by addition of water produces tertiary alcohols as shown. The final product is 2-ethyl-3-methylbutan-2-ol.
3. Reaction of butanone with
sodium borohydride
Sodium borohydride reduces ketones to corresponding secondary alcohols.
4. Ketones react with hydrogen
cyanide to form cyanohydrins.
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In this question, draw the major products of the
transformations.
0 NH.IpH-s H,O 0 2) H:O...
2. Draw, in the provided spaces/ boxes, the major organic products of the following transformations. Be...
2. Draw, in the provided spaces/ boxes, the major organic products of the following transformations. Be sure to indicate appropriate stereochemistry. If the reaction generates enantiomers, draw one and write tenantiomer' 1. Cl2, H20 2. NaOH На Pd/C 1.Hg(OAc)2 CH,OH 2. NABH 1. CH CO H 2. Hао* Н,с" HC @) 1. ВНа, THF 2. H202, NaOH Br2 CH2CI2 (E)-5-methylhept-3-ene MeOH conc'd H3PO4 ОН Br NAOCH3
Question 3 Draw the mechanism for the following transformations: Нас снз CH3 H-SO Hс Он Question...
Question 3 Draw the mechanism for the following transformations: Нас снз CH3 H-SO Hс Он Question 4: 1) Hg(OAc) H,o 2) NaBH Нас- CHy Н,с сн, Question 5: Predict the product(s) of the following reaction: 1) BH, THF 2) H2O2, NaOH CH2 H,с Question 6: Predict the products of each of the following reactions: CH3 Hас- На Ni - CH3
Draw the structure(s) of the major organic product(s) of the following reaction. aqueous H, SO. O + KON KCN aqueous...
Draw the structure(s) of the major organic product(s) of the following reaction. aqueous H, SO. O + KON KCN aqueous H,80..
Question 1: Draw the expected major product for the following reactions: НІ HC CH CH₂ HBO...
Question 1: Draw the expected major product for the following reactions: НІ HC CH CH₂ HBO ROOR Question 2: Draw a mechanism for the following transformations: a) H₃C CH3 HCI H₂C T CH3 HAC CH3 нс с Question 3: Draw the mechanism for the following transformations: нс сH3 CH3 о (H,SO4), он H₂C7 Question 4 HĄCE 1) Hg(OAC), H, 2) NaBH, HEC CH, Question : Predict the product(s) of the following reaction: 1) BHZ. THE Н4С SCH, 2) H2O, NaOH...
H,Cro SOCI: H,0 Pyridine PCC CH,CI, HIO HR Peroxide 2. H,0,HCI NES CH- - HN CH,I,...
H,Cro SOCI: H,0 Pyridine PCC CH,CI, HIO HR Peroxide 2. H,0,HCI NES CH- - HN CH,I, Zn(Cu) ether 1.0, 2. (CH) KCN HCN 1.00 2. NaHSO, H,0 HO 2. HCI, H20 H.SO 1. BH. THE 2. H,O, NaOH 1. HgOAC), 2,0 2. NaBH, HUNCH, 1. NBH 2. H.O
draw the major products for the following transformations and determine whether it is a Markovnikov or...
draw the major products for the following transformations and
determine whether it is a Markovnikov or anti-Markovnikov(if
applicable) Make sure products are stereochemically correct. (Write
down each reaction and draw products)
1) BH3. THE 2) H2O2, NaOH, H20 1) Hg(OAC)2, EtOH 2) NaBH4, H30+ 1-Ethylcyclohexene Br2, H2O
4. For each of the following transformations select the most appropriate reagent(s). 0 - 0 $-...
4. For each of the following transformations select the most appropriate reagent(s). 0 - 0 $- a. 1) NaBH/EtOH 2) H:0 b. 1) LiAlH/Et, 2) H30 c. H , Pd/C d. None of the above e. All of the above 5. For each of the following transformations select the most appropriate reagent(s). (2 points) HO a. 1) NaBH/EtOH 2) H:0* b. 1) LiAlH4/Et20 2) H:0 c. None of the above d. All of the above
Draw the mechanism and predict the major product for each of the following reactions. (b) 0 la) 0 1. KCN, HO 2 2. H...
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
5. Draw the major products of the following reactions: a) (S)-2-Iodopentane + KCN in methanol. b)...
5. Draw the major products of the following reactions: a) (S)-2-Iodopentane + KCN in methanol. b) 2-bromo-2-methylpropane + LIN(CH(CH,),), in THF. c) 2-Chloro-1-ethanol + potassium tert-butoxide (KO'Bu). d) Cis-2-methyl-1-chlorocyclohexane + methanol. e) Potassium tert-butoxide (KO'Bu) and methyl iodide in THF. f) Draw a detailed curved arrow pushing mechanism for reaction 5d above. Draw the reactants cis-2- methyl-1-chlorocyclohexane + methanol, and show each and every electron flow that converts them into the major products.
Part A Draw the major organic product generated in the rea 1. Hg(OA), H,0 2. NabH Draw the molecule on the canvas b...
Part A Draw the major organic product generated in the rea 1. Hg(OA), H,0 2. NabH Draw the molecule on the canvas by choosing bu toolbars. The single bond is active by default. | 5 + - ) H: 120 0 0
2. Draw, in the provided spaces/ boxes, the major organic products of the following transformations. Be sure to indicate appropriate stereochemistry. If the reaction generates enantiomers, draw one and write tenantiomer' 1. Cl2, H20 2. NaOH На Pd/C 1.Hg(OAc)2 CH,OH 2. NABH 1. CH CO H 2. Hао* Н,с" HC @) 1. ВНа, THF 2. H202, NaOH Br2 CH2CI2 (E)-5-methylhept-3-ene MeOH conc'd H3PO4 ОН Br NAOCH3
Question 3 Draw the mechanism for the following transformations: Нас снз CH3 H-SO Hс Он Question 4: 1) Hg(OAc) H,o 2) NaBH Нас- CHy Н,с сн, Question 5: Predict the product(s) of the following reaction: 1) BH, THF 2) H2O2, NaOH CH2 H,с Question 6: Predict the products of each of the following reactions: CH3 Hас- На Ni - CH3
Draw the structure(s) of the major organic product(s) of the following reaction. aqueous H, SO. O + KON KCN aqueous H,80..
Question 1: Draw the expected major product for the following reactions: НІ HC CH CH₂ HBO ROOR Question 2: Draw a mechanism for the following transformations: a) H₃C CH3 HCI H₂C T CH3 HAC CH3 нс с Question 3: Draw the mechanism for the following transformations: нс сH3 CH3 о (H,SO4), он H₂C7 Question 4 HĄCE 1) Hg(OAC), H, 2) NaBH, HEC CH, Question : Predict the product(s) of the following reaction: 1) BHZ. THE Н4С SCH, 2) H2O, NaOH...
H,Cro SOCI: H,0 Pyridine PCC CH,CI, HIO HR Peroxide 2. H,0,HCI NES CH- - HN CH,I, Zn(Cu) ether 1.0, 2. (CH) KCN HCN 1.00 2. NaHSO, H,0 HO 2. HCI, H20 H.SO 1. BH. THE 2. H,O, NaOH 1. HgOAC), 2,0 2. NaBH, HUNCH, 1. NBH 2. H.O
draw the major products for the following transformations and
determine whether it is a Markovnikov or anti-Markovnikov(if
applicable) Make sure products are stereochemically correct. (Write
down each reaction and draw products)
1) BH3. THE 2) H2O2, NaOH, H20 1) Hg(OAC)2, EtOH 2) NaBH4, H30+ 1-Ethylcyclohexene Br2, H2O
4. For each of the following transformations select the most appropriate reagent(s). 0 - 0 $- a. 1) NaBH/EtOH 2) H:0 b. 1) LiAlH/Et, 2) H30 c. H , Pd/C d. None of the above e. All of the above 5. For each of the following transformations select the most appropriate reagent(s). (2 points) HO a. 1) NaBH/EtOH 2) H:0* b. 1) LiAlH4/Et20 2) H:0 c. None of the above d. All of the above
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
5. Draw the major products of the following reactions: a) (S)-2-Iodopentane + KCN in methanol. b) 2-bromo-2-methylpropane + LIN(CH(CH,),), in THF. c) 2-Chloro-1-ethanol + potassium tert-butoxide (KO'Bu). d) Cis-2-methyl-1-chlorocyclohexane + methanol. e) Potassium tert-butoxide (KO'Bu) and methyl iodide in THF. f) Draw a detailed curved arrow pushing mechanism for reaction 5d above. Draw the reactants cis-2- methyl-1-chlorocyclohexane + methanol, and show each and every electron flow that converts them into the major products.
Part A Draw the major organic product generated in the rea 1. Hg(OA), H,0 2. NabH Draw the molecule on the canvas by choosing bu toolbars. The single bond is active by default. | 5 + - ) H: 120 0 0
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