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The structure of 3,5-dihydroxy-3-methylpentanoic acid has how many chiral centers? QUESTION 2 The reaction of benzonitrile...
QUESTION 1 Reaction of pentanoic acid with thionyl chloride produces compound B followed by addition of...
QUESTION 1 Reaction of pentanoic acid with thionyl chloride produces compound B followed by addition of two equivalents of ammonia to produce which compound? butanamide ammoniumpentanoic acid pentanamide CN-pentylamine QUESTION 2 Pentanoic acid reacts with lithium aluminum hydride followed by water to produce compound B. Compound B is reacted with phosphorus tribromide to give compound C which is then treated with sodium cyanide to produce compound D. Finally, compound D is reacted with lithium aluminum hydride and water to give...
2 Points Question 13 of 50 . How many of the following compounds would yield an...
2 Points Question 13 of 50 . How many of the following compounds would yield an alcohol, upon reduction with lithium aluminum hydride? • Acetyl chloride • Benzoic anhydride Acetamide N,N-dimethylacetamide • Butanenitrile Ethyl acetate • Pentanoic acid . O A Seven B. Five OC. Two OD. Four Reset Selection What would be the structure of the polyamide, generated upon reaction of fumaric acid and 1.2-ethylenediamine? COOH HOOC NH2 H2N 1,2-ethylenediamine fumaric acid OA 'N 'N H H n B...
1) 2-amino-3-hydroxybutanoic acid 2) 2,3-dinitrobutane A. Draw the skeletal structure (line-bond) for the following compounds. B....
1) 2-amino-3-hydroxybutanoic acid
2) 2,3-dinitrobutane
A. Draw the skeletal structure (line-bond) for the following compounds. B. Convert the structures to the Most Stable and the Least Stable Newmann projections around (looking down) C2-C3 bond. (The numbering is based on the nomenclature locator numbers) C. On your skeletal structures, label the stereogenic centers (chiral carbons) if there are any. D. Draw all the possible stereoisomers for the compounds. Indicate which are enantiomer pairs. which are diastereomers to each other, and if...
1.) 2-amino-3-hydroxybutanoic acid 2.) 2,3-dinitrobutane A. Draw the skeletal structure (line-bond) for the following compounds. B....
1.) 2-amino-3-hydroxybutanoic acid
2.) 2,3-dinitrobutane
A. Draw the skeletal structure (line-bond) for the following compounds. B. Convert the structures to the Most Stable and the Least Stable Newmann projections around (looking down) C2-C3 bond. (The numbering is based on the nomenclature locator numbers) C. On your skeletal structures, label the stereogenic centers (chiral carbons) if there are any. D. Draw all the possible stereoisomers for the compounds. Indicate which are enantiomer pairs. which are diastereomers to each other, and if...
4. a) Draw the perspective (dashes and wedges) structure of an androstane analog comprised of acarbonyl group at C-3, a carboxylic acid group at C-17 and a double bond between C-5 and C-6; whatkind of...
4. a) Draw the perspective (dashes and wedges) structure of an androstane analog comprised of acarbonyl group at C-3, a carboxylic acid group at C-17 and a double bond between C-5 and C-6; whatkind of lipid is this? b) Draw the perspective structure of the products of its reaction with 1) bromine followed by 2) water;assign R and S to all chiral centers. (Also consider whether these reagents react with the carbonyl and and/or the carboxylic acid group/s; can an...
QUESTION 41 The reaction of an alcohol with a carboxylic acid under acidic conditions results in...
QUESTION 41 The reaction of an alcohol with a carboxylic acid under acidic conditions results in an ester. How many nelementary mechanic steps are reasonable for this transformation? 3 7 QUESTION 42 Which of the following compounds would have a quartet in the NMR spectrum near 4.1? COH CHO Y Śs II III IV 0 0 0 0 111 IV TION 2 Which of the following are romane QUESTION QUESTION 4 Which structure has the correct formal charge? F* CI...
What kinds of interactions are NOT part of tertiary protein structure? 3 . A) salt bridges...
What kinds of interactions are NOT part of tertiary protein structure? 3 . A) salt bridges In a hydrolysis reaction, B) hydrophilic interactions A. an acid reacts with an alcohol. C) disulfide bonds E. an este reacts with NaOH. C. anester reacts with H.O. D) peptide bonds D. an acid neutralizes a base. E) hydrophobic interactions E. water is added to markene. . All amino acids have chiral Carbon atoms except a. Val 6. Lys C. ASP d. Ala e....
What is the correct name for the following compound? d) 5-oxo-3-octenoic acid What is the defining...
What is the correct name for the following compound? d) 5-oxo-3-octenoic acid What is the defining functional group of a carboxylic acid? a) an-H attached to a carbonyl group b) an-H attached to a carbon-carbon triple bond c) an-OH attached to a carbonyl group d) an -OH group attached to a O-C double bond e) an-OH group attached to an aromatic ring To convert a carboxylic acid to an aldehyde a) convert the acid to an acid chloride, then use...
Question 6: 10 pts 5 pts (A) Draw the structure of: 1. Deoxyadenylic acid 2. Uridine...
Question 6: 10 pts 5 pts (A) Draw the structure of: 1. Deoxyadenylic acid 2. Uridine (B) Draw the two different dipeptides from L-tyrosine and L-alanine, showing the following in each structure. 1. the stereochemistry of the chiral centers 2. the N terminal 3. the C terminal 4, the peptide bond H3C OH OH NH2 NH2 HO L-alanine L-tyrosine ΝΗ, N pyrimidine purine NH O NH H,C, NH "NH NH NH H H H cytosine ( uracil (U; occurs in...
1.88 pts Question 2 u The structure of the anthelmintic (worm medicine) C-santonin is shown below....
1.88 pts Question 2 u The structure of the anthelmintic (worm medicine) C-santonin is shown below. What is the unsaturation number of a-santonin? CH PICH b) 5 c) 6 d) 7 o b) ) d) o e) Question 6 1.88 pts Alkenes a) have lower boiling points than alcohols of similar molar mass. b) are more dense than alcohols of similar molar mass. c) react via the sigma bond of the carbon-carbon double bond. d) both (a) and (b) e)...
QUESTION 1 Reaction of pentanoic acid with thionyl chloride produces compound B followed by addition of two equivalents of ammonia to produce which compound? butanamide ammoniumpentanoic acid pentanamide CN-pentylamine QUESTION 2 Pentanoic acid reacts with lithium aluminum hydride followed by water to produce compound B. Compound B is reacted with phosphorus tribromide to give compound C which is then treated with sodium cyanide to produce compound D. Finally, compound D is reacted with lithium aluminum hydride and water to give...
2 Points Question 13 of 50 . How many of the following compounds would yield an alcohol, upon reduction with lithium aluminum hydride? • Acetyl chloride • Benzoic anhydride Acetamide N,N-dimethylacetamide • Butanenitrile Ethyl acetate • Pentanoic acid . O A Seven B. Five OC. Two OD. Four Reset Selection What would be the structure of the polyamide, generated upon reaction of fumaric acid and 1.2-ethylenediamine? COOH HOOC NH2 H2N 1,2-ethylenediamine fumaric acid OA 'N 'N H H n B...
1) 2-amino-3-hydroxybutanoic acid
2) 2,3-dinitrobutane
A. Draw the skeletal structure (line-bond) for the following compounds. B. Convert the structures to the Most Stable and the Least Stable Newmann projections around (looking down) C2-C3 bond. (The numbering is based on the nomenclature locator numbers) C. On your skeletal structures, label the stereogenic centers (chiral carbons) if there are any. D. Draw all the possible stereoisomers for the compounds. Indicate which are enantiomer pairs. which are diastereomers to each other, and if...
1.) 2-amino-3-hydroxybutanoic acid
2.) 2,3-dinitrobutane
A. Draw the skeletal structure (line-bond) for the following compounds. B. Convert the structures to the Most Stable and the Least Stable Newmann projections around (looking down) C2-C3 bond. (The numbering is based on the nomenclature locator numbers) C. On your skeletal structures, label the stereogenic centers (chiral carbons) if there are any. D. Draw all the possible stereoisomers for the compounds. Indicate which are enantiomer pairs. which are diastereomers to each other, and if...
QUESTION 41 The reaction of an alcohol with a carboxylic acid under acidic conditions results in an ester. How many nelementary mechanic steps are reasonable for this transformation? 3 7 QUESTION 42 Which of the following compounds would have a quartet in the NMR spectrum near 4.1? COH CHO Y Śs II III IV 0 0 0 0 111 IV TION 2 Which of the following are romane QUESTION QUESTION 4 Which structure has the correct formal charge? F* CI...
What kinds of interactions are NOT part of tertiary protein structure? 3 . A) salt bridges In a hydrolysis reaction, B) hydrophilic interactions A. an acid reacts with an alcohol. C) disulfide bonds E. an este reacts with NaOH. C. anester reacts with H.O. D) peptide bonds D. an acid neutralizes a base. E) hydrophobic interactions E. water is added to markene. . All amino acids have chiral Carbon atoms except a. Val 6. Lys C. ASP d. Ala e....
What is the correct name for the following compound? d) 5-oxo-3-octenoic acid What is the defining functional group of a carboxylic acid? a) an-H attached to a carbonyl group b) an-H attached to a carbon-carbon triple bond c) an-OH attached to a carbonyl group d) an -OH group attached to a O-C double bond e) an-OH group attached to an aromatic ring To convert a carboxylic acid to an aldehyde a) convert the acid to an acid chloride, then use...
Question 6: 10 pts 5 pts (A) Draw the structure of: 1. Deoxyadenylic acid 2. Uridine (B) Draw the two different dipeptides from L-tyrosine and L-alanine, showing the following in each structure. 1. the stereochemistry of the chiral centers 2. the N terminal 3. the C terminal 4, the peptide bond H3C OH OH NH2 NH2 HO L-alanine L-tyrosine ΝΗ, N pyrimidine purine NH O NH H,C, NH "NH NH NH H H H cytosine ( uracil (U; occurs in...
1.88 pts Question 2 u The structure of the anthelmintic (worm medicine) C-santonin is shown below. What is the unsaturation number of a-santonin? CH PICH b) 5 c) 6 d) 7 o b) ) d) o e) Question 6 1.88 pts Alkenes a) have lower boiling points than alcohols of similar molar mass. b) are more dense than alcohols of similar molar mass. c) react via the sigma bond of the carbon-carbon double bond. d) both (a) and (b) e)...
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