Homework Answers
Correct options:
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The first and the third options yield the desired ketone.
The second option yields secondary alcohol.
The fourth option yields tertiary alcohol.
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Which of the following reaction sequences would accomplish the chemical transformation, shown below? (choose all correct)...
what is the major product in the following reaction? which reaction sequence would accomplish this transformation?...
what is the major product in the following reaction?
which reaction sequence would accomplish this
transformation?
What is the major product in the following reaction? 1. CHyl (excess) NH 2. Ag2O, H2O, heat HN Which reaction sequence would accomplish this transformation? yogh Н 1. H30+, CH2OH 2. NaBH, 3. H20+ O 1. p-TsOH, HOCH,CH,OH 2. NaBH4 3. H30+ 01. pTsOH, HOCH,CH,OH 2. CH3MgBr 3. H307 O 1. CH_MgBr 2. H3O+ 3. CH3OH What is the best starting material to synthesize...
select the reagent that will accomplish the given transformation Question 12: A B 1. Cly, hv....
select the reagent that will accomplish the given
transformation
Question 12: A B 1. Cly, hv. CCL 2. H20 | 3. Cros. H20. H2SO. 1. Cl. hv. CCL 2 NaOH, HO 3. Cros. H2O, H,SO 1. Brą, hv. CBA 2. HO 3. CrO2, H20, H2SO4 1. Cly, hv. CCI 2. NaOH, HO 3. PCC, DCM For the following section, questions 13-20, answer the given questions Question 13: What would be the major product of the reaction below? A. (1R 2R)-1-ethoxy-2-methylcyclohexane...
Which reaction sequence would accomplish the synthesis of this alcohol? 6. OH 9. What prod CH3CH...
Which reaction sequence would accomplish the synthesis of this alcohol? 6. OH 9. What prod CH3CH CHCH3 (CHa 2, H2O·H' ether c. H2SO4+ H2O. 180 °C </ NH+ Crocr (PCC) (C CH CH CH2OH (D 1. CHMgBr 2. H2O, H 10. W Which of these methods will produce l-pentanol? 7. 2. H20, H 1. B2H6, THF IV CHjCH,CH,CH-MgBr 2 H20, H I, II, IV (A)
Which of the below reaction sequences will complete the transformation given? OH NH2 Ph1 PhV2 03...
Which of the below reaction sequences will complete the transformation given? OH NH2 Ph1 PhV2 03 NaCN 1. LiAIH4 DMS HCN 2. H2O MCPBA NaN3 H2 Pt (111) 1. Oso PCC NH3, H2SO4 (cat.) 2. NaHSO3 NaBH3CN H2O (A) I, II only (B) I, III only (C) I only Question 14 An unknown compound exhibits the following is in the NMR spectrum 1.34ppm 3 405 om 2 7.17 om det 787 pom p om inget they the own compound (A)...
Please include an explanation Choose a plausible synthesis for the following transformation, from the options below....
Please include an explanation
Choose a plausible synthesis for the following transformation, from the options below. Write the entire sequence by showing all intermediates from the sequence you choose it as correct. For the ones you eliminate, indicate briefly why you do not consider each of them. No mechanisms required 1) NaOH 2) PCC, CH2Cl2 3) MeMgBr 4) H20 1) H30+ 2) PCC, CH2Cl2 3) MeMgBr 4) H20 1) NaOH 1) NaOH 2) PCC, CH2Cl2 | 2) PCC, CH2Cl2 3)...
Question 9 Which one of the following reaction steps work best to carry out the transformation...
Question 9 Which one of the following reaction steps work best to carry out the transformation shown below? ? ? H 1) BH3, THF PCC A) 2) H2O2, NaOH CH2Cl2 H20, H2SO4 (cat.) PCC B) CH2Cl2 1) BH3, THF HIO1 C) 2) HOh, NaOH D) OsO4 (CH3)3COOH, OH K2Cr207, H2SO4 H2O С в СА D
18. Which sequence of reagents would be expected to accomplish the transformation of 1-butyne shown below?...
18. Which sequence of reagents would be expected to accomplish the transformation of 1-butyne shown below? A) 1)H2O/H2SO4, HgSO4 cat.; B) 1)HBr C)1)H2, Lindlar catalyst; D) )HBr, peroxides; E) O 2) H2, Pt 2) H2, Pt; 2) BH3*THF; 2) NaOH; 2) H2O 3) NaOH 3) H202, NaOH 3) H2, Pt
Which of the following series of steps would most efficiently synthesize the target molecule from the...
Which of the following series of steps would most efficiently synthesize the target molecule from the given alcohol? HO Target 2 3 4 PCC 1. CH3MgBr 2. H20 H2SO4 Pd-o H2 1 2. 3 PCC 1. CH3CH2MgBr 2. H20 H2SO4 Pd-C H2 1 2 3 4 PCC 1. CH3MgBr 2. H2O H2SO4 Pd-C H2 0 1 2 3 4 PCC 1. CH3CH2MgBr 2. H₂O H2SO4 Pd-C H2 1 2 3 Na Cr2O7 H307 1. CH3 MgBr 2. H20 H2SO4 NaBH4...
Which reaction sequence would accomplish this transformation? HO ter H 01.H20+, CH2OH 2. NaBH4 3. Hz0+...
Which reaction sequence would accomplish this transformation? HO ter H 01.H20+, CH2OH 2. NaBH4 3. Hz0+ O 1. pTSOH, HOCH,CH,OH 2. CH3MgBr 3. H30+ O 1. p-TsOH, HOCH CH2OH 2. NaBH4 3. H30+ O 1. CH3MgBr 2. H30+ 3. CH3OH What is the best reagent(s) for the following transformation? O OH 1. LiAlH4 2. H30+ OCH3CH2OH, H2SO4 O NaOH, heat mCPBA What is the major product in the following reaction? 1. CH2CH2MgBr 2. H30* O o o OH OH What...
can someone answer these 3 review questions? 1. For the transformation below, what is the structure...
can someone answer these 3 review questions?
1. For the transformation below, what is the structure of the starting material? 3. What will be the product of the following reaction? OH COH 1. LAI ? 2 HO. A) B) B OH C) D) 18 & E) D. 2. Which of these reagents will best accomplish the transformation below? E None of the above olan 2 A) 1.H2Cr2O. B) 1. LiAlH4; 2. H2O C) CH3CH2MgBr D) CrO3+ py (PCC) E) None...
what is the major product in the following reaction?
which reaction sequence would accomplish this
transformation?
What is the major product in the following reaction? 1. CHyl (excess) NH 2. Ag2O, H2O, heat HN Which reaction sequence would accomplish this transformation? yogh Н 1. H30+, CH2OH 2. NaBH, 3. H20+ O 1. p-TsOH, HOCH,CH,OH 2. NaBH4 3. H30+ 01. pTsOH, HOCH,CH,OH 2. CH3MgBr 3. H307 O 1. CH_MgBr 2. H3O+ 3. CH3OH What is the best starting material to synthesize...
select the reagent that will accomplish the given
transformation
Question 12: A B 1. Cly, hv. CCL 2. H20 | 3. Cros. H20. H2SO. 1. Cl. hv. CCL 2 NaOH, HO 3. Cros. H2O, H,SO 1. Brą, hv. CBA 2. HO 3. CrO2, H20, H2SO4 1. Cly, hv. CCI 2. NaOH, HO 3. PCC, DCM For the following section, questions 13-20, answer the given questions Question 13: What would be the major product of the reaction below? A. (1R 2R)-1-ethoxy-2-methylcyclohexane...
Which reaction sequence would accomplish the synthesis of this alcohol? 6. OH 9. What prod CH3CH CHCH3 (CHa 2, H2O·H' ether c. H2SO4+ H2O. 180 °C </ NH+ Crocr (PCC) (C CH CH CH2OH (D 1. CHMgBr 2. H2O, H 10. W Which of these methods will produce l-pentanol? 7. 2. H20, H 1. B2H6, THF IV CHjCH,CH,CH-MgBr 2 H20, H I, II, IV (A)
Which of the below reaction sequences will complete the transformation given? OH NH2 Ph1 PhV2 03 NaCN 1. LiAIH4 DMS HCN 2. H2O MCPBA NaN3 H2 Pt (111) 1. Oso PCC NH3, H2SO4 (cat.) 2. NaHSO3 NaBH3CN H2O (A) I, II only (B) I, III only (C) I only Question 14 An unknown compound exhibits the following is in the NMR spectrum 1.34ppm 3 405 om 2 7.17 om det 787 pom p om inget they the own compound (A)...
Please include an explanation
Choose a plausible synthesis for the following transformation, from the options below. Write the entire sequence by showing all intermediates from the sequence you choose it as correct. For the ones you eliminate, indicate briefly why you do not consider each of them. No mechanisms required 1) NaOH 2) PCC, CH2Cl2 3) MeMgBr 4) H20 1) H30+ 2) PCC, CH2Cl2 3) MeMgBr 4) H20 1) NaOH 1) NaOH 2) PCC, CH2Cl2 | 2) PCC, CH2Cl2 3)...
Question 9 Which one of the following reaction steps work best to carry out the transformation shown below? ? ? H 1) BH3, THF PCC A) 2) H2O2, NaOH CH2Cl2 H20, H2SO4 (cat.) PCC B) CH2Cl2 1) BH3, THF HIO1 C) 2) HOh, NaOH D) OsO4 (CH3)3COOH, OH K2Cr207, H2SO4 H2O С в СА D
18. Which sequence of reagents would be expected to accomplish the transformation of 1-butyne shown below? A) 1)H2O/H2SO4, HgSO4 cat.; B) 1)HBr C)1)H2, Lindlar catalyst; D) )HBr, peroxides; E) O 2) H2, Pt 2) H2, Pt; 2) BH3*THF; 2) NaOH; 2) H2O 3) NaOH 3) H202, NaOH 3) H2, Pt
Which of the following series of steps would most efficiently synthesize the target molecule from the given alcohol? HO Target 2 3 4 PCC 1. CH3MgBr 2. H20 H2SO4 Pd-o H2 1 2. 3 PCC 1. CH3CH2MgBr 2. H20 H2SO4 Pd-C H2 1 2 3 4 PCC 1. CH3MgBr 2. H2O H2SO4 Pd-C H2 0 1 2 3 4 PCC 1. CH3CH2MgBr 2. H₂O H2SO4 Pd-C H2 1 2 3 Na Cr2O7 H307 1. CH3 MgBr 2. H20 H2SO4 NaBH4...
Which reaction sequence would accomplish this transformation? HO ter H 01.H20+, CH2OH 2. NaBH4 3. Hz0+ O 1. pTSOH, HOCH,CH,OH 2. CH3MgBr 3. H30+ O 1. p-TsOH, HOCH CH2OH 2. NaBH4 3. H30+ O 1. CH3MgBr 2. H30+ 3. CH3OH What is the best reagent(s) for the following transformation? O OH 1. LiAlH4 2. H30+ OCH3CH2OH, H2SO4 O NaOH, heat mCPBA What is the major product in the following reaction? 1. CH2CH2MgBr 2. H30* O o o OH OH What...
can someone answer these 3 review questions?
1. For the transformation below, what is the structure of the starting material? 3. What will be the product of the following reaction? OH COH 1. LAI ? 2 HO. A) B) B OH C) D) 18 & E) D. 2. Which of these reagents will best accomplish the transformation below? E None of the above olan 2 A) 1.H2Cr2O. B) 1. LiAlH4; 2. H2O C) CH3CH2MgBr D) CrO3+ py (PCC) E) None...
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