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1. (4 pts) Rank each of the following carbocations in order of stability (1 most stable...
show all work please thank you!!! 3. (10 pts total) Consider the following alkene addition reaction:...
show all work please thank you!!!
3. (10 pts total) Consider the following alkene addition reaction: Brz H2O НО Br a. (3 pts) This type of alkene addition reaction is mediated by both Lewis acids and bases. Of the two inorganic reactants (Br2 and H2O), place a triangle (1) around the one which functions as a Lewis acid in the above transformation b. (3 pts) of the two regioisomeric reaction products shown, only one is observed to form under the...
2) Order the following alkenes from most stable to least stable Нас Нас с-сн, н,с Hас +C- Нас н CHs -CH3 H Hе mos...
2) Order the following alkenes from most stable to least stable Нас Нас с-сн, н,с Hас +C- Нас н CHs -CH3 H Hе most stable least stable (a) I (b) I (c) I ll (d) 7) Order the following C-H bonds from strongest to weakest. strongest weakest (a) (b) (c) II (d) 8) Which of the following is represents the lowest energy transition state for the addition of BH, to 2-methyl-1-propene? quCH «сHs нСи Нас (b) (a) Нив--н H H...
10). (18 pts) Predict the structures of the products from each of the following S2 reactions....
10). (18 pts) Predict the structures of the products from each of the following S2 reactions. If no reaction is expected, write "No Rxn" Hас. H,с-о° Br A). н,с- он сH H,с. KBr сH, В). acetone он NaN С). ethanol Br CH3 кCN D). H,с. Br DMSO сн, SH но E) CH3 ethanol "сH,
please answer questions 1-4 Question 1 Which of the following is the most stable carbocation? СН3...
please answer questions 1-4
Question 1 Which of the following is the most stable carbocation? СН3 V. CH2 What is the major product of the following reaction? Н HBO C CHS CH CH CH3-CH ( CH, Br CH2-CH-C–CH, Br Br CH CH CH3-CH:-¢-CH Br ін, CHE CH CH.-CH- Br CH. D Question 3 What is the major product of the following reaction? CH, НО 1 Оснок IV. CH2OH CH3 "О" ОН Д. он СН3 CH3 Но Ш. CH, ОН Question...
order the following carbon radicals from most stable to least stable (1&2) 1. Order the following...
order the following carbon radicals from most stable to least
stable
(1&2)
1. Order the following carbon radicals from most stable to least stable. 5 3 2 2. Complete the following reaction scheme. "What goes over the arrow?" Write your answers in the spaces provided below. MgBr Br E Br ОН MgCl CI F G В Н Br Reagents required for the above reactions: F. А. G. В. Н. С. I. D. J. E. (
1. Rank the following carbocations in order of increasing stability. "I" is the least stable, "4"...
1. Rank the following carbocations in order of increasing stability. "I" is the least stable, "4" is the most stable. (2 pts) or and an ove сна
1. Rank the following carbocations in order of increasing stability. “1” is the least stable, “4”...
1. Rank the following carbocations in order of increasing stability. “1” is the least stable, “4” is the most stable. (2 pts) CH3 2. Predict the major organic products formed in the following reactions. Be certain to indicate stereochemistry in your products if it is important. (12 pts) H2 Pd/C НСІ.
8. Predict the major organic products of each of the following reaction conditions (20 points) 1)...
8. Predict the major organic products of each of the following reaction conditions (20 points) 1) LiAIH diethylether н 4 2) Н-о Н.о KOH CrO,, H,SO,, H,О он acetone (co-solvent) 1) CH3MgBr, diethylether 2) Н-о 9. Show how you could synthesize the targeted products from the starting epoxides. Show all reagents and reaction conditions in the boxes above the reaction arrows Но Hас ОСHЗ но O
Predict the product by providing the stable organic products for each reaction. NaBH4, CH3OH 1. н...
Predict the product by providing the stable organic products for
each reaction.
NaBH4, CH3OH 1. н 2. HСI, Н20 н Н NaBHa (0.50 eq.), сH,он 1 2. HСI, Н20 LIAIH4 (1 eq.), THF 1 2. HC, H,о NaBH(ОCH;)з. (1 еq.), CH,он 1. CI 2. HCI, Н20 о
i need help with both of these please! 3. (2 pts) Predict the major organic product...
i need help with both of these please!
3. (2 pts) Predict the major organic product of each of the following reactions: (a) Ethanol е H Br + (100%) Cн 2 КОН (b) HP Hас-с Hас H H Brs Но OH Triethylene Glycol Heat 100 % Ethanol 4. (1 pt) What is the function of sodium bisulfite (NaHS03) in reacting with pyridinium hydrobromide perbromide. (What kind of reaction of the perbromide is taking place?)
show all work please thank you!!!
3. (10 pts total) Consider the following alkene addition reaction: Brz H2O НО Br a. (3 pts) This type of alkene addition reaction is mediated by both Lewis acids and bases. Of the two inorganic reactants (Br2 and H2O), place a triangle (1) around the one which functions as a Lewis acid in the above transformation b. (3 pts) of the two regioisomeric reaction products shown, only one is observed to form under the...
2) Order the following alkenes from most stable to least stable Нас Нас с-сн, н,с Hас +C- Нас н CHs -CH3 H Hе most stable least stable (a) I (b) I (c) I ll (d) 7) Order the following C-H bonds from strongest to weakest. strongest weakest (a) (b) (c) II (d) 8) Which of the following is represents the lowest energy transition state for the addition of BH, to 2-methyl-1-propene? quCH «сHs нСи Нас (b) (a) Нив--н H H...
10). (18 pts) Predict the structures of the products from each of the following S2 reactions. If no reaction is expected, write "No Rxn" Hас. H,с-о° Br A). н,с- он сH H,с. KBr сH, В). acetone он NaN С). ethanol Br CH3 кCN D). H,с. Br DMSO сн, SH но E) CH3 ethanol "сH,
please answer questions 1-4
Question 1 Which of the following is the most stable carbocation? СН3 V. CH2 What is the major product of the following reaction? Н HBO C CHS CH CH CH3-CH ( CH, Br CH2-CH-C–CH, Br Br CH CH CH3-CH:-¢-CH Br ін, CHE CH CH.-CH- Br CH. D Question 3 What is the major product of the following reaction? CH, НО 1 Оснок IV. CH2OH CH3 "О" ОН Д. он СН3 CH3 Но Ш. CH, ОН Question...
order the following carbon radicals from most stable to least
stable
(1&2)
1. Order the following carbon radicals from most stable to least stable. 5 3 2 2. Complete the following reaction scheme. "What goes over the arrow?" Write your answers in the spaces provided below. MgBr Br E Br ОН MgCl CI F G В Н Br Reagents required for the above reactions: F. А. G. В. Н. С. I. D. J. E. (
1. Rank the following carbocations in order of increasing stability. "I" is the least stable, "4" is the most stable. (2 pts) or and an ove сна
1. Rank the following carbocations in order of increasing stability. “1” is the least stable, “4” is the most stable. (2 pts) CH3 2. Predict the major organic products formed in the following reactions. Be certain to indicate stereochemistry in your products if it is important. (12 pts) H2 Pd/C НСІ.
8. Predict the major organic products of each of the following reaction conditions (20 points) 1) LiAIH diethylether н 4 2) Н-о Н.о KOH CrO,, H,SO,, H,О он acetone (co-solvent) 1) CH3MgBr, diethylether 2) Н-о 9. Show how you could synthesize the targeted products from the starting epoxides. Show all reagents and reaction conditions in the boxes above the reaction arrows Но Hас ОСHЗ но O
Predict the product by providing the stable organic products for
each reaction.
NaBH4, CH3OH 1. н 2. HСI, Н20 н Н NaBHa (0.50 eq.), сH,он 1 2. HСI, Н20 LIAIH4 (1 eq.), THF 1 2. HC, H,о NaBH(ОCH;)з. (1 еq.), CH,он 1. CI 2. HCI, Н20 о
i need help with both of these please!
3. (2 pts) Predict the major organic product of each of the following reactions: (a) Ethanol е H Br + (100%) Cн 2 КОН (b) HP Hас-с Hас H H Brs Но OH Triethylene Glycol Heat 100 % Ethanol 4. (1 pt) What is the function of sodium bisulfite (NaHS03) in reacting with pyridinium hydrobromide perbromide. (What kind of reaction of the perbromide is taking place?)
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