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c. Consider the sequence of reactions: "NH2 HO HO. НО. N 3 serotonin OH (i) Determine...
1. Give a sequence of reactions to accomplish the following transformation? Show mechanism 2. What reagent(s)...
1. Give a sequence of reactions to accomplish the following transformation? Show mechanism 2. What reagent(s) would accomplish the following? Show mechanism. R-CH2-NH2 R-C-NH2 3. What would result from the reactions shown below? Hsco-s-OCH3 large excess) NaOH нон H,0 но ОН "ОН (a and B) 4. Predict the major product of the following reaction. CHNNH 3 equivalents) но CHCH2OH Heat он CH2OH Draw the Haworth projection for chair conformation of a-D-Glucopyranose (shown below) CH2OH HO H OH OH
1. The most basic of the labelled atoms below is HO. -NH2 HO OH 2. The...
1. The most basic of the labelled atoms below is HO. -NH2 HO OH 2. The most basic of the labelled atoms below is H3Ca CH3 'N b NH2 CI Draw a structural formula for the major product of the acid-base reaction shown. + HCI (1 mole) 'N - Н. (1 mole) • You do not have to consider stereochemistry. • Do not include counter-ions, e.g., Nat, r, in your answer. In those cases in which there are two reactants,...
What is the structure of compound A? F NOH KOH Compound A CgH&FNO Share OH NOH...
What is the structure of compound A? F NOH KOH Compound A CgH&FNO Share OH NOH NOH Steam or NH2 HO III IV Be sure to answer all parts. Give the IUPAC name for the following compound. COH (select) (select) (select) isobutylcyclopentanoic acid ethylpentane carboxylic acid ethylcyclopentanoxylic acid isobutylcyclopentane carboxylic acid Be sure to answer all parts. Identify the lettered compounds in the following reaction sequence. [1] NaNH2 [1] NaNH, (1103 HC=CH с D [2] CH31 [2] CH3CHI [2] H,0...
10. Please Check 1 by 1 and read carefully. I would need a perfect score for...
10.
Please Check 1 by 1 and read carefully. I would need a perfect
score for this . Thanks
Select the keyword or phrase that will best complete each sentence A Claisen reaction is a nucleophilic substitution in which an enolate is the nucleophile Key terms: Robinson annulation Aldol condensation: An aldol reaction in which the initially formed p hydroxyl carbonyl compound loses water by dehydration. Claisen reaction Aldol condensation Dieckmann reaction: An intramolecular Claisen reaction of a diester to...
26) Give the IUPAC name for the following compound. A) S-4-bromo-1-pentyne C) R-3-bromo-5-pentyne B) R-4-bromo-1-pentyne D)...
26) Give the IUPAC name for the following compound. A) S-4-bromo-1-pentyne C) R-3-bromo-5-pentyne B) R-4-bromo-1-pentyne D) S-3-bromo-5-pentyne 27) What is the major product of the following reaction? 1. BH, 2. H,O, HO A) I B) II C) III D) IV 28) What is the correct classification of the following reaction? Lot OH A) Oxidation reaction C) Substitution reaction B) Elimination reaction D) Reduction reaction 29) Which of the following classes of organic compounds cannot undergo reduction ea. B) Alkenes
3. (15 points) 1) Consider both reactions A and B below. Both reactions start from alkenes...
3. (15 points) 1) Consider both reactions A and B below. Both reactions start from alkenes to generate the same alcohol. However, the mechanism is distinct for reaction A and reaction B. H/HO HO H*/H20 но 1) Propose a reasonable mechanism for reaction A, with curved arrows for each step. 2) Propose a reasonable mechanism for reaction B, with curved arrows for each step. Question 3 continues 3) In the space below, describe the rate determining step for both reaction...
see Vitc lab 2. The chromium oxidation of compound I below yields a mixture of products...
see Vitc lab 2. The chromium oxidation of compound I below yields a mixture of products (II- V). Identify the order of elution that would occur if you used an alumina stationary phase with diethyl ether to separate the mixture of products (II, III, IV, V) by column chromatography. (Assume there is no starting material in the products.) (a) Write balanced redox reactions for the reaction of K Cr O, with I to give each of the products. Starting material...
PLEASE HELP WITH THESE. THANK YOU How are the following two compounds related? CH CH3 HO...
PLEASE HELP WITH THESE. THANK
YOU
How are the following two compounds related? CH CH3 HO -H HO -Н Given the following substitution reaction, what would the effect be of changing the solvent from CH3OH to (CH3)2S=0? H- OH H OH VS HO -H H -OH H -OH HO H + CH (CH2CH2-Br NaOH CH;(CH2), CH2-OH + NaBr CH OH CH2OH A. The reaction rate will increase. OB. There is no effect on the rate of the reaction, C. The...
commond in PRACTICE SHEET NH2 04/04/2018 OH a. Which H is the most acidic ? (circle...
commond in PRACTICE SHEET NH2 04/04/2018 OH a. Which H is the most acidic ? (circle it) b. What product forms when the compound is treated with HCI ? (Draw it above) c. How many sp3 hybridized carbons does this molecule have? d. How many H's are on the attached to the N? 10 a. Indicate the strongest IMF available to each of the compounds below. Oligo H A B b. Which compound would you expect to have a greater...
Question 3 (a) Arange the following compounds in order of decreasing reactivity with nucleophiles (ie. most...
Question 3 (a) Arange the following compounds in order of decreasing reactivity with nucleophiles (ie. most reactive compound first). Explain your reasoning. (6 marks) C Me Me OMe OMe F C NMez Me Me Answer TWO parts from (i)-(iii) (7 marks each). (b) Give mechanisms for the following reactions and use them to explain the different (i) reaction outcomes. LIAIH он Me OMe Me LIAIH NMez Me NMeg Me (i) Give mechanisms for the following reactions and use them to...
1. Give a sequence of reactions to accomplish the following transformation? Show mechanism 2. What reagent(s) would accomplish the following? Show mechanism. R-CH2-NH2 R-C-NH2 3. What would result from the reactions shown below? Hsco-s-OCH3 large excess) NaOH нон H,0 но ОН "ОН (a and B) 4. Predict the major product of the following reaction. CHNNH 3 equivalents) но CHCH2OH Heat он CH2OH Draw the Haworth projection for chair conformation of a-D-Glucopyranose (shown below) CH2OH HO H OH OH
1. The most basic of the labelled atoms below is HO. -NH2 HO OH 2. The most basic of the labelled atoms below is H3Ca CH3 'N b NH2 CI Draw a structural formula for the major product of the acid-base reaction shown. + HCI (1 mole) 'N - Н. (1 mole) • You do not have to consider stereochemistry. • Do not include counter-ions, e.g., Nat, r, in your answer. In those cases in which there are two reactants,...
What is the structure of compound A? F NOH KOH Compound A CgH&FNO Share OH NOH NOH Steam or NH2 HO III IV Be sure to answer all parts. Give the IUPAC name for the following compound. COH (select) (select) (select) isobutylcyclopentanoic acid ethylpentane carboxylic acid ethylcyclopentanoxylic acid isobutylcyclopentane carboxylic acid Be sure to answer all parts. Identify the lettered compounds in the following reaction sequence. [1] NaNH2 [1] NaNH, (1103 HC=CH с D [2] CH31 [2] CH3CHI [2] H,0...
10.
Please Check 1 by 1 and read carefully. I would need a perfect
score for this . Thanks
Select the keyword or phrase that will best complete each sentence A Claisen reaction is a nucleophilic substitution in which an enolate is the nucleophile Key terms: Robinson annulation Aldol condensation: An aldol reaction in which the initially formed p hydroxyl carbonyl compound loses water by dehydration. Claisen reaction Aldol condensation Dieckmann reaction: An intramolecular Claisen reaction of a diester to...
26) Give the IUPAC name for the following compound. A) S-4-bromo-1-pentyne C) R-3-bromo-5-pentyne B) R-4-bromo-1-pentyne D) S-3-bromo-5-pentyne 27) What is the major product of the following reaction? 1. BH, 2. H,O, HO A) I B) II C) III D) IV 28) What is the correct classification of the following reaction? Lot OH A) Oxidation reaction C) Substitution reaction B) Elimination reaction D) Reduction reaction 29) Which of the following classes of organic compounds cannot undergo reduction ea. B) Alkenes
3. (15 points) 1) Consider both reactions A and B below. Both reactions start from alkenes to generate the same alcohol. However, the mechanism is distinct for reaction A and reaction B. H/HO HO H*/H20 но 1) Propose a reasonable mechanism for reaction A, with curved arrows for each step. 2) Propose a reasonable mechanism for reaction B, with curved arrows for each step. Question 3 continues 3) In the space below, describe the rate determining step for both reaction...
see Vitc lab 2. The chromium oxidation of compound I below yields a mixture of products (II- V). Identify the order of elution that would occur if you used an alumina stationary phase with diethyl ether to separate the mixture of products (II, III, IV, V) by column chromatography. (Assume there is no starting material in the products.) (a) Write balanced redox reactions for the reaction of K Cr O, with I to give each of the products. Starting material...
PLEASE HELP WITH THESE. THANK
YOU
How are the following two compounds related? CH CH3 HO -H HO -Н Given the following substitution reaction, what would the effect be of changing the solvent from CH3OH to (CH3)2S=0? H- OH H OH VS HO -H H -OH H -OH HO H + CH (CH2CH2-Br NaOH CH;(CH2), CH2-OH + NaBr CH OH CH2OH A. The reaction rate will increase. OB. There is no effect on the rate of the reaction, C. The...
commond in PRACTICE SHEET NH2 04/04/2018 OH a. Which H is the most acidic ? (circle it) b. What product forms when the compound is treated with HCI ? (Draw it above) c. How many sp3 hybridized carbons does this molecule have? d. How many H's are on the attached to the N? 10 a. Indicate the strongest IMF available to each of the compounds below. Oligo H A B b. Which compound would you expect to have a greater...
Question 3 (a) Arange the following compounds in order of decreasing reactivity with nucleophiles (ie. most reactive compound first). Explain your reasoning. (6 marks) C Me Me OMe OMe F C NMez Me Me Answer TWO parts from (i)-(iii) (7 marks each). (b) Give mechanisms for the following reactions and use them to explain the different (i) reaction outcomes. LIAIH он Me OMe Me LIAIH NMez Me NMeg Me (i) Give mechanisms for the following reactions and use them to...
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