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How would you convert an unsaturated fatty acid into a saturated fatty acid A. KMnO4, "OH,...
18. Draw the structures of Compound 18a. and 18b. (18 pts), clearly indicate your assignments of...
18. Draw the structures of Compound 18a. and 18b. (18 pts), clearly indicate your assignments of all proton resonances (8 pts). Calculate the Unsaturation Index of each compound (4 pts) (30 points total) 30 Unsat. Index = (2C+2-H-X+NY2 = 200 25 e = 2.00 ppm, 4.90 f = 1.27 ppm, 20 720 Compound 18a: C,H,O, singlet, 2H triplet, 3H 127 15 d = 2.66 ppm, a = 7.21 ppm, b = 7.18 ppm, doublet, 2H doublet, 2H C = 4.90...
thanks! For compound 18a the signal "e" is not 2H it is 3H, this was a...
thanks! For compound 18a the signal "e" is not 2H it is 3H, this
was a typo
18. Draw the structures of Compound 18a. and 18b. (18 pts), clearly indicate your assignments of all proton resonances (8 pts). Calculate the Unsaturation Index of each compound (4 pts) (30 points total) Unsat. Index = (2C+2-H-X +N)/2 = 3.0 2.00 25 490 2.0 e = 2.00 ppm. singlet, 2H d = 2.66 ppm, quartet, 2H f = 1.27 ppm, triplet, 3H 720...
Thanks! On each the following IR spectra, circle and indicate the most important stretching signal from...
Thanks!
On each the following IR spectra, circle and indicate the most important stretching signal from the following choices:N-H, O-H, CEN, CEO, C-O, Top, IR spectrum of Compound 18a: C14H1402 Bottom, IR Spectrum of Compound 18b: C3H120. write your answer on the corresponding square provided (2.5 pts each, 5 pts total) mar 2000 6 18. Draw the structures of Compound 18a. and 18b. (18 pts), clearly indicate your assignments of all proton resonances (8 pts). Calculate the Unsaturation Index of...
thanks!! There is a mistake on this, e on compound 18a is 3 hydrogens not 2!!!!...
thanks!! There is a mistake on this, e on compound 18a is 3
hydrogens not 2!!!! thanks again :)
On each the following IR spectra, circle and indicate the most important stretching signal from the following choices:N-H, O-H, CEN, CEO, C-O, Top, IR spectrum of Compound 18a: C14H1402 Bottom, IR Spectrum of Compound 18b: C3H120. write your answer on the corresponding square provided (2.5 pts each, 5 pts total) mar 2000 6 18. Draw the structures of Compound 18a. and...
10. The peptide shown has the amino acid sequence: A. Val-Ser-Ile-Glu-Lys B. Lys-Glu-Ile-Ser-Val C. Thr-Asp-Leu-Gln-Arg D....
10. The peptide shown has the amino acid sequence: A. Val-Ser-Ile-Glu-Lys B. Lys-Glu-Ile-Ser-Val C. Thr-Asp-Leu-Gln-Arg D. Val-Asp-Ile-Glu-Arg 11. Which of the following describes the entire three- dimensional structure of a single polypeptide? A. Secondary structure B. Quaternary structure C. Tertiary structure D. Primary structure 12. What is the primary driving force in the formation of protein tertiary structure? A. Energy released when additional ion pairs are formed. B. The exclusion of non-polar substances from aqueous solution. C. The formation of...
if anyone can check these answers for me and tell me which are right or wrong id appreciate it 0. How can p-aminobenzoic acid (a sunscreen) be synthesized from benzene? (Note that sometimes more...
if anyone can check these answers for me and tell me which are
right or wrong id appreciate it
0. How can p-aminobenzoic acid (a sunscreen) be synthesized from benzene? (Note that sometimes more than one isomer will be obtained, which is fine as long as the desired isomer is one of the major products.) several steps HOOC 4. Sn, HC 4.KMnO. .KMnO 4.Sn, HC 3.KMnO 3. CHCI, AİCİ, 3. Sn, HC . HNO, H SO 2. HNO,, H:SO4 1,...
please write the steps needed to get this product. A NaBH4/H:0 S KMnO4 HNO3 H2SO4 K...
please write the steps needed to get this product.
A NaBH4/H:0 S KMnO4 HNO3 H2SO4 K HNO3 H2SO4 B LiAlH4/H:07 T CH3MgBr/H:0* U 1. LDA/ 2. CH Br C Dess-Martin L Nal D CrOz/H:07 M H3PO4 V NaCN E H/Pd N Bry/FeBr3 W NH 0 CH:COCI/AICI: X CH3NH2 P CH:CH-CT/AICI: Y SOCI: F SnCl/H30* 1. Hg(OAc)2, H2O/THF G 2. NaBHA HH2SO4, H2O, HgSO4 1. BH3, THF 2. H2O2, OH Q H3O+/H20 Z CH OH R KOH O CHICHI CH3CH CH:CH-C-OH...
36. Which of the following compounds is able to undergo a self-aldol condensation? A. phenylethanal B....
36. Which of the following compounds is able to undergo a self-aldol condensation? A. phenylethanal B. formaldehyde C. benzaldehyde D. 2,2-dimethylpropanal 37. The best synthesis of 1,4-dimethyl-2-nitrobenzene is: A. Benzene 1. HNO3, H2SO4 2. 2 CH,CI, 2 AICI: 1. HNO3, H2SO4 2. CH3CI, AICI: HNO3, H2SO4 B. toluene C. p-xylene D.m-nitrotoluene CH3CI, AICI: 38. Which of these is the most reliable way to make 3-heptene? A. CH,CH,CHBECH,CH,CH,CH3 + NaOCH3, heat B. CH3CH2CH-0 + Ph3P-CHCH,CH.CH C. CH CH CHOHCH2CH2CH2CH3 + H2SO4,...
or esterfication for D Which method would give this ketone? CH,CHE 1. PhMgBr 2. H307 1....
or
esterfication for D
Which method would give this ketone? CH,CHE 1. PhMgBr 2. H307 1. CH3CH MgBr 2. Hz0+ 1. CH2CHCN 2. PHCN CH3CH,COCI, AICI: TOLONIA O2 and 3 only 1 and 3 only 1. NaCN 2. H30, Heat CONH2 COH со,Н NH2 Question 14 (1 point) Which structure is consistent with the following proton NMR data: 1.2 (3H, triplet, J = 8Hz), 3.7 (2H, quartet, J = 8Hz), 4.1 (2H, singlet), 11.1 (1H, singlet) CH2CH3 och Por o...
QUESTION 1 Any reaction involving a carbonyl group and a strong acid begins with the same...
QUESTION 1 Any reaction involving a carbonyl group and a strong acid begins with the same first step, which is __________________ of the carbonyl oxygen. QUESTION 2 Using condensed molecular formulas (C#H#X#Y#) for your answers, predict the products of the reactions of C6H5CH2CHO (phenylacetaldehyde) with these reagents, and identify the functional group produced in the product. Note that the Tx symbol above allows you to do a subscript. a. NaBH4 / CH3OH b. 1. CH3MgBr; 2. H2O c. Ph3P=CHCH3 d....
18. Draw the structures of Compound 18a. and 18b. (18 pts), clearly indicate your assignments of all proton resonances (8 pts). Calculate the Unsaturation Index of each compound (4 pts) (30 points total) 30 Unsat. Index = (2C+2-H-X+NY2 = 200 25 e = 2.00 ppm, 4.90 f = 1.27 ppm, 20 720 Compound 18a: C,H,O, singlet, 2H triplet, 3H 127 15 d = 2.66 ppm, a = 7.21 ppm, b = 7.18 ppm, doublet, 2H doublet, 2H C = 4.90...
thanks! For compound 18a the signal "e" is not 2H it is 3H, this
was a typo
18. Draw the structures of Compound 18a. and 18b. (18 pts), clearly indicate your assignments of all proton resonances (8 pts). Calculate the Unsaturation Index of each compound (4 pts) (30 points total) Unsat. Index = (2C+2-H-X +N)/2 = 3.0 2.00 25 490 2.0 e = 2.00 ppm. singlet, 2H d = 2.66 ppm, quartet, 2H f = 1.27 ppm, triplet, 3H 720...
Thanks!
On each the following IR spectra, circle and indicate the most important stretching signal from the following choices:N-H, O-H, CEN, CEO, C-O, Top, IR spectrum of Compound 18a: C14H1402 Bottom, IR Spectrum of Compound 18b: C3H120. write your answer on the corresponding square provided (2.5 pts each, 5 pts total) mar 2000 6 18. Draw the structures of Compound 18a. and 18b. (18 pts), clearly indicate your assignments of all proton resonances (8 pts). Calculate the Unsaturation Index of...
thanks!! There is a mistake on this, e on compound 18a is 3
hydrogens not 2!!!! thanks again :)
On each the following IR spectra, circle and indicate the most important stretching signal from the following choices:N-H, O-H, CEN, CEO, C-O, Top, IR spectrum of Compound 18a: C14H1402 Bottom, IR Spectrum of Compound 18b: C3H120. write your answer on the corresponding square provided (2.5 pts each, 5 pts total) mar 2000 6 18. Draw the structures of Compound 18a. and...
10. The peptide shown has the amino acid sequence: A. Val-Ser-Ile-Glu-Lys B. Lys-Glu-Ile-Ser-Val C. Thr-Asp-Leu-Gln-Arg D. Val-Asp-Ile-Glu-Arg 11. Which of the following describes the entire three- dimensional structure of a single polypeptide? A. Secondary structure B. Quaternary structure C. Tertiary structure D. Primary structure 12. What is the primary driving force in the formation of protein tertiary structure? A. Energy released when additional ion pairs are formed. B. The exclusion of non-polar substances from aqueous solution. C. The formation of...
if anyone can check these answers for me and tell me which are
right or wrong id appreciate it
0. How can p-aminobenzoic acid (a sunscreen) be synthesized from benzene? (Note that sometimes more than one isomer will be obtained, which is fine as long as the desired isomer is one of the major products.) several steps HOOC 4. Sn, HC 4.KMnO. .KMnO 4.Sn, HC 3.KMnO 3. CHCI, AİCİ, 3. Sn, HC . HNO, H SO 2. HNO,, H:SO4 1,...
please write the steps needed to get this product.
A NaBH4/H:0 S KMnO4 HNO3 H2SO4 K HNO3 H2SO4 B LiAlH4/H:07 T CH3MgBr/H:0* U 1. LDA/ 2. CH Br C Dess-Martin L Nal D CrOz/H:07 M H3PO4 V NaCN E H/Pd N Bry/FeBr3 W NH 0 CH:COCI/AICI: X CH3NH2 P CH:CH-CT/AICI: Y SOCI: F SnCl/H30* 1. Hg(OAc)2, H2O/THF G 2. NaBHA HH2SO4, H2O, HgSO4 1. BH3, THF 2. H2O2, OH Q H3O+/H20 Z CH OH R KOH O CHICHI CH3CH CH:CH-C-OH...
36. Which of the following compounds is able to undergo a self-aldol condensation? A. phenylethanal B. formaldehyde C. benzaldehyde D. 2,2-dimethylpropanal 37. The best synthesis of 1,4-dimethyl-2-nitrobenzene is: A. Benzene 1. HNO3, H2SO4 2. 2 CH,CI, 2 AICI: 1. HNO3, H2SO4 2. CH3CI, AICI: HNO3, H2SO4 B. toluene C. p-xylene D.m-nitrotoluene CH3CI, AICI: 38. Which of these is the most reliable way to make 3-heptene? A. CH,CH,CHBECH,CH,CH,CH3 + NaOCH3, heat B. CH3CH2CH-0 + Ph3P-CHCH,CH.CH C. CH CH CHOHCH2CH2CH2CH3 + H2SO4,...
or
esterfication for D
Which method would give this ketone? CH,CHE 1. PhMgBr 2. H307 1. CH3CH MgBr 2. Hz0+ 1. CH2CHCN 2. PHCN CH3CH,COCI, AICI: TOLONIA O2 and 3 only 1 and 3 only 1. NaCN 2. H30, Heat CONH2 COH со,Н NH2 Question 14 (1 point) Which structure is consistent with the following proton NMR data: 1.2 (3H, triplet, J = 8Hz), 3.7 (2H, quartet, J = 8Hz), 4.1 (2H, singlet), 11.1 (1H, singlet) CH2CH3 och Por o...
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