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11) (50 pts total) Consider the following 2 compounds: Yor You I II (a) (6 pts)...
(e) (15 pts) When compound I undergoes the chemical transformations seen below, two new carbonyl compounds...
(e) (15 pts) When compound I undergoes the chemical transformations seen below, two new carbonyl compounds are formed (III and IV). 1 equivalent of MgBr I DIBAL-H III (major organic product) IV (major organic product) 1) (6 pts) Provide the structures for compounds III and IV. (11) (9 pts) Which of the two carbonyl compounds is more susceptible to nucleophilic addition: III or IV ? Provide two reasons for your choice. (1) pts) Rank the following compounds in the order...
explain the following answers 4. (3 pts) If a dichloromethane solution of the following four compounds...
explain the following answers
4. (3 pts) If a dichloromethane solution of the following four compounds was extracted with an aqueous solution of K CO3, which compound(s) (in conjugate base form) would be extracted into the aqueous layer? SH SO, IV A) I and II B) I, II and III C) III and IV D) IV 6. (3 pts) If a dichloromethane solution of the following four compounds was extracted with a mixture that consists of water and NaH, which...
11) (24 pts total) (A) Consider the following compounds: 4-heptanone 3-hexanone 2-hexanone cyclohexanone methyl acetate...
11) (24 pts total) (A) Consider the following compounds: 4-heptanone 3-hexanone 2-hexanone cyclohexanone methyl acetate (a) (4 pts) Circle the compound that could be subjected to a haloform reaction (b) (12 pts) Provide the structure of the product obtained when the compound chosen in (a) undergoes the iodoform reaction; include the correct steochiometry for all the reagents used in the reaction. (B) (8 pts) Provide the strctures of compounds A and B obtained in the reaction sshown below.
29. Which compounds will undergo decarboxylation upon heating? oll i la llo III IV A) I,...
29. Which compounds will undergo decarboxylation upon heating? oll i la llo III IV A) I, II B) II, III C) III, IV D) II, IV 30. What major product is formed when the following diketone undergoes aldol cyclization in base? Eto- EtOH uc de op We were unable to transcribe this image32. Which is the major product of the following series of reactions? Soci, OH OH OH i socl, roh, no. 1,0° , silor 'oi uviin 33. Which of...
U. Soo-school-bet.cn E. 4-bromo-1-chloro-2-nitrobenzene 10 Identify the aromatic compounds AI and II B. II and 111...
U. Soo-school-bet.cn E. 4-bromo-1-chloro-2-nitrobenzene 10 Identify the aromatic compounds AI and II B. II and 111 D. I. II and II E none of the above C. I and III 11. What is the value of a from Hucke's rule for the following aromatic compound? D. ES G3 12 The Birch reduction of benzene with sodium in NH.CH.Oh goes by a four-step mechanism The first step is the A. transfer of a proton from NH, to benzeme B. transfer of...
1) What is the major organic product obtained from the following sequence of reactions? 1. (CH)...
1) What is the major organic product obtained from the following sequence of reactions? 1. (CH) CHCH.MOBI O CO HSÓ 2.H.O 2) What is the product of the following reaction? La noh to stor 3) What is the product of the following reaction? EtMgBr 4) What carbonyl compound and Grignard reagent could be used to prepare 2-butanol? CH.CHOCH.CH:Mgle CH.CH:CHO CHME CH.COCHCHMulle Only I Only II Only III Only I and II 6) What is the missing reagent in the reaction...
Which of the following compounds would you expect to be antiaromatic? (i) cyclooctatetraene (ii) 1,3-cyclooctadiene (iii) cyclooctatetraenyl dianion (iv)
Which of the following compounds would you expect to be antiaromatic? (i) cyclooctatetraene (ii) 1,3-cyclooctadiene (iii) cyclooctatetraenyl dianion (iv) 1-ethenylcyclooctatetraene (v) 1,3,5,7-octatetraene Select one: a. i only b. i, ii, iv and v only c. iii only d. i and iv only e. all the above From my working I found i, ii, iv, and v to be non aromatic and iii to be aromatic. Is non aromatic the same as antiaromatic?
D Question 2 2 pts Which reagents would be best used to perform the following transformation?...
D Question 2 2 pts Which reagents would be best used to perform the following transformation? Time Runn 43 Minute OOH 1) 1. H+ ЛОН HO 2. Mgº 3. CO2 4. H30 2) 1. MeMgBr 2. H307 3. H2SO4 3) 1. NaHCO, 2. H30* 4) 1.HHO OH | 5) 1. HCN 2. CrOz/H20 2. CrOy/H20 3. H307 03 5 Predict the major product of the following reaction. & Hochs H" (eat) H3C 3) H3C -CH; 5) HyC-CH3 4) CH3 H3C-N-CH3...
Question 11 (2 points) Which of the indicated protons in the following compound would appear most...
Question 11 (2 points) Which of the indicated protons in the following compound would appear most downfield in the 'H NMR spectrum? III TV II a) III Oь) ІV Oc) d) II Question 12 (2 points) Provide the structure of the expected major organic product generated upon completion of the following reaction scheme (CH), CCH2CH==CH2 HBr H202 (сн.),ccн,сн. -CH2 CAJACCHIOLI (CH, CCH-CH- -CH2 cartuscanyone (CH)CCH_CH CH₂ (CH3),CCHCH IV -Сн, III a) b) c) d) IV
1. The structures of six organic compounds are shown below. HEH (6) 9 NHE (d) (e)...
1. The structures of six organic compounds are shown below. HEH (6) 9 NHE (d) (e) ( nów (i) Give the name(s) of the functional group(s) in each compound. All compounds have at least one functional group; some ha ve more than one. (ii) Give the letter(s) of the compound(s) that are aromatic. Write "None" if there are no aromatic compounds. (iii) Give the letter(s) of the compound(s) that have optical isomers. Write "None" if no compound has optical isomers....
(e) (15 pts) When compound I undergoes the chemical transformations seen below, two new carbonyl compounds are formed (III and IV). 1 equivalent of MgBr I DIBAL-H III (major organic product) IV (major organic product) 1) (6 pts) Provide the structures for compounds III and IV. (11) (9 pts) Which of the two carbonyl compounds is more susceptible to nucleophilic addition: III or IV ? Provide two reasons for your choice. (1) pts) Rank the following compounds in the order...
explain the following answers
4. (3 pts) If a dichloromethane solution of the following four compounds was extracted with an aqueous solution of K CO3, which compound(s) (in conjugate base form) would be extracted into the aqueous layer? SH SO, IV A) I and II B) I, II and III C) III and IV D) IV 6. (3 pts) If a dichloromethane solution of the following four compounds was extracted with a mixture that consists of water and NaH, which...
11) (24 pts total) (A) Consider the following compounds: 4-heptanone 3-hexanone 2-hexanone cyclohexanone methyl acetate (a) (4 pts) Circle the compound that could be subjected to a haloform reaction (b) (12 pts) Provide the structure of the product obtained when the compound chosen in (a) undergoes the iodoform reaction; include the correct steochiometry for all the reagents used in the reaction. (B) (8 pts) Provide the strctures of compounds A and B obtained in the reaction sshown below.
29. Which compounds will undergo decarboxylation upon heating? oll i la llo III IV A) I, II B) II, III C) III, IV D) II, IV 30. What major product is formed when the following diketone undergoes aldol cyclization in base? Eto- EtOH uc de op We were unable to transcribe this image32. Which is the major product of the following series of reactions? Soci, OH OH OH i socl, roh, no. 1,0° , silor 'oi uviin 33. Which of...
U. Soo-school-bet.cn E. 4-bromo-1-chloro-2-nitrobenzene 10 Identify the aromatic compounds AI and II B. II and 111 D. I. II and II E none of the above C. I and III 11. What is the value of a from Hucke's rule for the following aromatic compound? D. ES G3 12 The Birch reduction of benzene with sodium in NH.CH.Oh goes by a four-step mechanism The first step is the A. transfer of a proton from NH, to benzeme B. transfer of...
1) What is the major organic product obtained from the following sequence of reactions? 1. (CH) CHCH.MOBI O CO HSÓ 2.H.O 2) What is the product of the following reaction? La noh to stor 3) What is the product of the following reaction? EtMgBr 4) What carbonyl compound and Grignard reagent could be used to prepare 2-butanol? CH.CHOCH.CH:Mgle CH.CH:CHO CHME CH.COCHCHMulle Only I Only II Only III Only I and II 6) What is the missing reagent in the reaction...
D Question 2 2 pts Which reagents would be best used to perform the following transformation? Time Runn 43 Minute OOH 1) 1. H+ ЛОН HO 2. Mgº 3. CO2 4. H30 2) 1. MeMgBr 2. H307 3. H2SO4 3) 1. NaHCO, 2. H30* 4) 1.HHO OH | 5) 1. HCN 2. CrOz/H20 2. CrOy/H20 3. H307 03 5 Predict the major product of the following reaction. & Hochs H" (eat) H3C 3) H3C -CH; 5) HyC-CH3 4) CH3 H3C-N-CH3...
Question 11 (2 points) Which of the indicated protons in the following compound would appear most downfield in the 'H NMR spectrum? III TV II a) III Oь) ІV Oc) d) II Question 12 (2 points) Provide the structure of the expected major organic product generated upon completion of the following reaction scheme (CH), CCH2CH==CH2 HBr H202 (сн.),ccн,сн. -CH2 CAJACCHIOLI (CH, CCH-CH- -CH2 cartuscanyone (CH)CCH_CH CH₂ (CH3),CCHCH IV -Сн, III a) b) c) d) IV
1. The structures of six organic compounds are shown below. HEH (6) 9 NHE (d) (e) ( nów (i) Give the name(s) of the functional group(s) in each compound. All compounds have at least one functional group; some ha ve more than one. (ii) Give the letter(s) of the compound(s) that are aromatic. Write "None" if there are no aromatic compounds. (iii) Give the letter(s) of the compound(s) that have optical isomers. Write "None" if no compound has optical isomers....
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