Homework Answers
QUESTION 33 2 points ($18.7) What is the product of the following crossed aldol condensation? (Complete...
QUESTION 33 2 points ($18.7) What is the product of the following crossed aldol condensation? (Complete aldol reactions using two different aldehydes or ketones.) Reagents: acetyl aldehyde + p-chlorobenzaldehyde (no alpha hydrogen) + NaOH a strong base + H20 and heat.) HOA o oo QUESTION 34 2 points (518.7) Which compound, in a reaction with the ketone below, would produce the fewest side products? (Identify which aldol reactions will proceed in high yield). Reagents: starting material acetone + (1) NaOH...
QUESTION 11 What reagents would be most useful in the following transformation? The complete set of...
QUESTION 11 What reagents would be most useful in the following transformation? The complete set of conditions is not given just select reagents. OH TSCL HBr. Mg. CO2 TSCI, PBrz. Mg. CO2 Porz. Mg. oxirane, PCC Pory. Mg. CO2. LIATH, PCC QUESTION 13 What are the stereochemical configurations in the following molecule? CHO H CI H CI CH,OH (25, 35) (2R 35) (2R 3R) (25. 3R) TW What is the most likely product of the reaction below? 1. CH3NH2 2....
Multiple Choice Section (0.5 pt each) 4. What is the most acidic hydrogen in the following compound? 1. (Review) Wh...
Multiple Choice Section (0.5 pt each) 4. What is the most acidic hydrogen in the following compound? 1. (Review) What functional group would the following reaction produce? В CH,CH,OH (b) В (a) A Нс. н pyridine (c) C (d) D H D H-- (a) amide (b) ester A H (c) anhydride (d) ketone 5. (Review) Which of the following represents a pair of keto-enol tautomers? 2. What would be the product of the reaction sequence shown below? SOCI2 1. DIBAL...
Please provide answers to the questions that are circled. Thank you! Least reactive Most reactive 12.53)...
Please provide answers to the questions that are circled.
Thank you!
Least reactive Most reactive 12.53) A standard method for preparing sodium cyclopentadienide (C H Na) is by the reaction of cyclopentadiene with a solution of NaNH, in liquid ammonia. Write a net ionic equation for this reaction, identify the acid and the base, and use curved arrows to track the flow of electrons. 12.54 The same anion is formed by loss of the most acidic proton from 1-methyl-1,3- cyclopentadiene...
please help!! thank you! Which of the following compounds is most reactive towards nucleophilic addition reaction?...
please help!! thank you!
Which of the following compounds is most reactive towards nucleophilic addition reaction? H1 H H A B С D E Predict the product for the following reaction sequence. iii PBrz Mg/ether Н H Cr04 ОН 2. Hz0+ A. 6,7-dimethyl-3-nonanol B. 6,7-dimethyl-3-nonanone C. 6,7-dimethyl-3-nonanal D. 3,4-dimethyl-7-nonanol E. 3,4-dimethyl-7-nonanone Predict the product for the following reaction 1. LiAlH4 (excess) 2. H30* OH OH OH -Н HO B с D Provide the structure of the ylide needed to prepare...
please answer the following: 1. Give the reagents for the following reaction sequence: O obco 2....
please answer the following:
1. Give the reagents for the following reaction sequence: O obco 2. Rank the following compounds in increasing order of reactivity towards nucleophilic acyl substitution (least to most reactive) goblok 3. Give the products for the following reactions: OH 1. KMnO/H* protection H01 pTSA 2. MeMgBr (excess) 3. H30* 2. SOCIzpyr. 1. deprotect. HCI PPh Good Luck Homework 3-Spring 2020 W Downloads/Homework%203-Spring%202020.pdf 4. Give the products for the following reactions: 1. H30+ ethene 2. H.Cro 1....
The picture below is an example of how this assignment should be done. This experiment involves...
The picture below is an example of how this assignment should be
done.
This experiment involves the synthesis of a target molecule using Grignard reagents. You must do the following: 1. Perform a retrosynthetic analysis on the target molecule. The organic starting material (what you have to work backwards toward) is provided. Draw a retrosythetic scheme; use the rightwards double arrow to show functional group transformations and disconnections. Provide synthons and synthetic equivalents for every disconnection made. 2. Propose the...
1. (Review) What are the absolute configurations of these two molecules? 4. What sequence would best...
1. (Review) What are the absolute configurations of these two molecules? 4. What sequence would best accomplish this transformation? снион Low- CHICH .COH CHE (a) I(S) and II(S) (b) I(R) and II(S) (a) [1] SOCI, [2] (CH3)2NH (b) [1] NH3, [2] excess CHI (c) NaBH, [2] (CH3)2NH (d) LiN(CH)2 (c) I(S) and II(R) (d) I(R) and II(R) 2. (Review) What is the IUPAC name for the following compound? 5. (Review) Reduction of an alkyne to an E alkene can be...
RAH CC + (CH) Cả b. Be o RC + 2 CH3NH, CH.CH OH OCHO +...
RAH CC + (CH) Cả b. Be o RC + 2 CH3NH, CH.CH OH OCHO + CHCH,OH Habys o doronde TNHH R OH + CH3CHÚNH OH – Donc logo 1. CH3MgBr CH CH CH.CH2. Hy0 3-pentanone + (CH.CH) Culi- R acyl chloride h ITSE HCI R + R(H) CON excess 1. (CHCHCH2), AIH-78 °C 2. H20 CH,CH,CHOCH, 1. NaBHA RCEN 2. H2O NaBHA RC=CR Section 4. Total points 26 1. Give one example of each of the following name reactions....
uestion 2 Rank these molecules in order of decreasing acidity [that is, most acidic first.] 1. CHCHCO2Н 2....
uestion 2 Rank these molecules in order of decreasing acidity [that is, most acidic first.] 1. CHCHCO2Н 2. CH-CHCO,н F 3. CH-CН-СО,Н 2 3 1 2> 1> 3 1> 2 3 3> 2 11 O 1>3> 2 Question 3 Which compound is the most acidic? Cl CI C Question 5 Which of the following molecules is the product of an aldol reaction? ОН HO HO IV ОН and IV Question 11 Which of the following contains an amide functional group?...
QUESTION 33 2 points ($18.7) What is the product of the following crossed aldol condensation? (Complete aldol reactions using two different aldehydes or ketones.) Reagents: acetyl aldehyde + p-chlorobenzaldehyde (no alpha hydrogen) + NaOH a strong base + H20 and heat.) HOA o oo QUESTION 34 2 points (518.7) Which compound, in a reaction with the ketone below, would produce the fewest side products? (Identify which aldol reactions will proceed in high yield). Reagents: starting material acetone + (1) NaOH...
QUESTION 11 What reagents would be most useful in the following transformation? The complete set of conditions is not given just select reagents. OH TSCL HBr. Mg. CO2 TSCI, PBrz. Mg. CO2 Porz. Mg. oxirane, PCC Pory. Mg. CO2. LIATH, PCC QUESTION 13 What are the stereochemical configurations in the following molecule? CHO H CI H CI CH,OH (25, 35) (2R 35) (2R 3R) (25. 3R) TW What is the most likely product of the reaction below? 1. CH3NH2 2....
Multiple Choice Section (0.5 pt each) 4. What is the most acidic hydrogen in the following compound? 1. (Review) What functional group would the following reaction produce? В CH,CH,OH (b) В (a) A Нс. н pyridine (c) C (d) D H D H-- (a) amide (b) ester A H (c) anhydride (d) ketone 5. (Review) Which of the following represents a pair of keto-enol tautomers? 2. What would be the product of the reaction sequence shown below? SOCI2 1. DIBAL...
Please provide answers to the questions that are circled.
Thank you!
Least reactive Most reactive 12.53) A standard method for preparing sodium cyclopentadienide (C H Na) is by the reaction of cyclopentadiene with a solution of NaNH, in liquid ammonia. Write a net ionic equation for this reaction, identify the acid and the base, and use curved arrows to track the flow of electrons. 12.54 The same anion is formed by loss of the most acidic proton from 1-methyl-1,3- cyclopentadiene...
please help!! thank you!
Which of the following compounds is most reactive towards nucleophilic addition reaction? H1 H H A B С D E Predict the product for the following reaction sequence. iii PBrz Mg/ether Н H Cr04 ОН 2. Hz0+ A. 6,7-dimethyl-3-nonanol B. 6,7-dimethyl-3-nonanone C. 6,7-dimethyl-3-nonanal D. 3,4-dimethyl-7-nonanol E. 3,4-dimethyl-7-nonanone Predict the product for the following reaction 1. LiAlH4 (excess) 2. H30* OH OH OH -Н HO B с D Provide the structure of the ylide needed to prepare...
please answer the following:
1. Give the reagents for the following reaction sequence: O obco 2. Rank the following compounds in increasing order of reactivity towards nucleophilic acyl substitution (least to most reactive) goblok 3. Give the products for the following reactions: OH 1. KMnO/H* protection H01 pTSA 2. MeMgBr (excess) 3. H30* 2. SOCIzpyr. 1. deprotect. HCI PPh Good Luck Homework 3-Spring 2020 W Downloads/Homework%203-Spring%202020.pdf 4. Give the products for the following reactions: 1. H30+ ethene 2. H.Cro 1....
The picture below is an example of how this assignment should be
done.
This experiment involves the synthesis of a target molecule using Grignard reagents. You must do the following: 1. Perform a retrosynthetic analysis on the target molecule. The organic starting material (what you have to work backwards toward) is provided. Draw a retrosythetic scheme; use the rightwards double arrow to show functional group transformations and disconnections. Provide synthons and synthetic equivalents for every disconnection made. 2. Propose the...
1. (Review) What are the absolute configurations of these two molecules? 4. What sequence would best accomplish this transformation? снион Low- CHICH .COH CHE (a) I(S) and II(S) (b) I(R) and II(S) (a) [1] SOCI, [2] (CH3)2NH (b) [1] NH3, [2] excess CHI (c) NaBH, [2] (CH3)2NH (d) LiN(CH)2 (c) I(S) and II(R) (d) I(R) and II(R) 2. (Review) What is the IUPAC name for the following compound? 5. (Review) Reduction of an alkyne to an E alkene can be...
RAH CC + (CH) Cả b. Be o RC + 2 CH3NH, CH.CH OH OCHO + CHCH,OH Habys o doronde TNHH R OH + CH3CHÚNH OH – Donc logo 1. CH3MgBr CH CH CH.CH2. Hy0 3-pentanone + (CH.CH) Culi- R acyl chloride h ITSE HCI R + R(H) CON excess 1. (CHCHCH2), AIH-78 °C 2. H20 CH,CH,CHOCH, 1. NaBHA RCEN 2. H2O NaBHA RC=CR Section 4. Total points 26 1. Give one example of each of the following name reactions....
uestion 2 Rank these molecules in order of decreasing acidity [that is, most acidic first.] 1. CHCHCO2Н 2. CH-CHCO,н F 3. CH-CН-СО,Н 2 3 1 2> 1> 3 1> 2 3 3> 2 11 O 1>3> 2 Question 3 Which compound is the most acidic? Cl CI C Question 5 Which of the following molecules is the product of an aldol reaction? ОН HO HO IV ОН and IV Question 11 Which of the following contains an amide functional group?...
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