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34 2h H-NMR Spectrum of Ester A НЕ НЕ на PPM tr H-NMR Spectrum of Product...
4) Write the product, and draw a complete curved arrow mechanism for the reaction below. Include...
4) Write the product, and draw a complete curved arrow mechanism for the reaction below. Include the formation of all intermediates (10 points total) Product Mechanism 5) Name the following molecules (8 points total) a) NH b) 6) An amine A reacts with acetone in the presence of a trace of acid to give product B The 'H-NMR spectra of A and B are shown on page 5 as spectra A and B, respectively. ldentify A (amine)) and product B...
3. Given the 'H NMR spectrum below and a molecular formula of CaH.O, provide a structure....
3. Given the 'H NMR spectrum below and a molecular formula of CaH.O, provide a structure. Note you must assign all of the signals in the spectrum below to receive full credit. IR: 3300 cm (broad) (5 pts.) зн, d Зн, t 2H,t 2H, q 2H, m 1H, bs 1H, m 4 3 2 PPM 4. In the space below, draw a 'H NMR spectrum for each of the following molecules. Note that only one of these will be graded...
Which compound matches the following 'H NMR spectrum? singlet ЗН singlet ЗН PPM B C Sco...
Which compound matches the following 'H NMR spectrum? singlet ЗН singlet ЗН PPM B C Sco D OH H e D D) А
16. Propose a structure for a molecule of formula CaHsCl which gave the following 1H NMR spectrum. PPM 17. Propose a st...
16. Propose a structure for a molecule of formula CaHsCl which gave the following 1H NMR spectrum. PPM 17. Propose a structure for a molecule whose mass spectrum shows a parent ion at m/z 148, an IR peak at 1680 cm'and gives the following H and 13C NMR spectra 3H зн 2H 2H 2H 3 5 2 7 6 4 PPM 160 140 180 60 220 200 20 0 120 100 80 40 PPM -
4. Propose a structure for each molecular formula using the provided H NMR spectrum. (a) CH30...
4. Propose a structure for each molecular formula using the provided H NMR spectrum. (a) CH30 6H IH 1H PPM (b) C6H120 ЗН PPM (c) CaHgBr 2H PPM (d) C&H N 2H 2H PPM
(10 points) Analysis of 'H NMR spectrum. Below is the 'H NMR spectrum of the product...
(10 points) Analysis of 'H NMR spectrum. Below is the 'H NMR spectrum of the product from this week's experiment. 3H, t, J = 7.1 Hz 1H, d, J = 15.8 Hz 2H, 9, J = 7.1 Hz 5H, m 1H, d, J= 15.8 Hz 11 10 9 8 7 6 5 4 3 2 1 ppm Summary of peaks (ppm): 1.32 (3H, t, J = 7.1 Hz), 4.24 (2H, q, J = 7.1 Hz), 6.43 (1H, d J =...
3) Critical analysis (5 points): (a) Your TA will give you a H NMR spectrum of...
3) Critical analysis (5 points): (a) Your TA will give you a H NMR spectrum of the 3-nitroaniline product. Using your NMR knowledge and the special NMR section in the lab book (especially pages 48 o2N, and 49), assign the 4 peaks in the spectrum to each of the protons in the product you will need to use coupling pattern and chemical shift to complete the assignment. НА NH2 Но Не Не (b) Explain your assignment, specifically how you differentiated...
6. The 'H-NMR spectra shown below correspond to a compound of general forma C D 2H...
6. The 'H-NMR spectra shown below correspond to a compound of general forma C D 2H 1H 2H 2H2H TTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTT 10.0 9.5 9.5 8.5 8.6 7.5 7.0 PPM a) Propose a plausible structure for this compound (3 points) b) Assign each signal from the 1H-NMR spectra to the corresponding hydrogen atoms in compound. Explain for each signal the observed splitting pattern and the chemical sh
unknown compound, which is insoluble in water but soluble in 10% aqueous NMR spectrum. What is the compound? ielded the given sodium bicar 2 PPM OH он eThis IR spectrum is of which compound? Et...
unknown compound, which is insoluble in water but soluble in 10% aqueous NMR spectrum. What is the compound? ielded the given sodium bicar 2 PPM OH он eThis IR spectrum is of which compound? Et 69. The ' H NMR spectrum corresponding to the product of the following cross-coupling reaction is shown. is the product? B(OH)2 Et Pd(OAc)a K CO D) 3H 3H 8H 2H ILLI PPM Br (B) Br (A) Meo Et Et (D) (C) MeO
unknown compound, which...
27) The 'H NMR spectrum for p-ethylaniline is shown below. Which signal correlates to the indicated...
27) The 'H NMR spectrum for p-ethylaniline is shown below. Which signal correlates to the indicated hydrogen atoms? 3H, triplet a) signal at ~2.6 ppm H₂N. b) signal at ~3.4 ppm 2H, 2H, doublet 2H, CH CH3 doublet quartet c) signal at ~6.6 ppm 2H d) signal at ~7.0 ppm 28) Select the major product of the following se howing series of reactions. 1) SOCl2 OH y So C, C1,CH. pyridine 2) CH3CH2CH2OH, pyridine OH OH oh odlom "D" transformation.
4) Write the product, and draw a complete curved arrow mechanism for the reaction below. Include the formation of all intermediates (10 points total) Product Mechanism 5) Name the following molecules (8 points total) a) NH b) 6) An amine A reacts with acetone in the presence of a trace of acid to give product B The 'H-NMR spectra of A and B are shown on page 5 as spectra A and B, respectively. ldentify A (amine)) and product B...
3. Given the 'H NMR spectrum below and a molecular formula of CaH.O, provide a structure. Note you must assign all of the signals in the spectrum below to receive full credit. IR: 3300 cm (broad) (5 pts.) зн, d Зн, t 2H,t 2H, q 2H, m 1H, bs 1H, m 4 3 2 PPM 4. In the space below, draw a 'H NMR spectrum for each of the following molecules. Note that only one of these will be graded...
Which compound matches the following 'H NMR spectrum? singlet ЗН singlet ЗН PPM B C Sco D OH H e D D) А
16. Propose a structure for a molecule of formula CaHsCl which gave the following 1H NMR spectrum. PPM 17. Propose a structure for a molecule whose mass spectrum shows a parent ion at m/z 148, an IR peak at 1680 cm'and gives the following H and 13C NMR spectra 3H зн 2H 2H 2H 3 5 2 7 6 4 PPM 160 140 180 60 220 200 20 0 120 100 80 40 PPM -
4. Propose a structure for each molecular formula using the provided H NMR spectrum. (a) CH30 6H IH 1H PPM (b) C6H120 ЗН PPM (c) CaHgBr 2H PPM (d) C&H N 2H 2H PPM
(10 points) Analysis of 'H NMR spectrum. Below is the 'H NMR spectrum of the product from this week's experiment. 3H, t, J = 7.1 Hz 1H, d, J = 15.8 Hz 2H, 9, J = 7.1 Hz 5H, m 1H, d, J= 15.8 Hz 11 10 9 8 7 6 5 4 3 2 1 ppm Summary of peaks (ppm): 1.32 (3H, t, J = 7.1 Hz), 4.24 (2H, q, J = 7.1 Hz), 6.43 (1H, d J =...
3) Critical analysis (5 points): (a) Your TA will give you a H NMR spectrum of the 3-nitroaniline product. Using your NMR knowledge and the special NMR section in the lab book (especially pages 48 o2N, and 49), assign the 4 peaks in the spectrum to each of the protons in the product you will need to use coupling pattern and chemical shift to complete the assignment. НА NH2 Но Не Не (b) Explain your assignment, specifically how you differentiated...
6. The 'H-NMR spectra shown below correspond to a compound of general forma C D 2H 1H 2H 2H2H TTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTT 10.0 9.5 9.5 8.5 8.6 7.5 7.0 PPM a) Propose a plausible structure for this compound (3 points) b) Assign each signal from the 1H-NMR spectra to the corresponding hydrogen atoms in compound. Explain for each signal the observed splitting pattern and the chemical sh
unknown compound, which is insoluble in water but soluble in 10% aqueous NMR spectrum. What is the compound? ielded the given sodium bicar 2 PPM OH он eThis IR spectrum is of which compound? Et 69. The ' H NMR spectrum corresponding to the product of the following cross-coupling reaction is shown. is the product? B(OH)2 Et Pd(OAc)a K CO D) 3H 3H 8H 2H ILLI PPM Br (B) Br (A) Meo Et Et (D) (C) MeO
unknown compound, which...
27) The 'H NMR spectrum for p-ethylaniline is shown below. Which signal correlates to the indicated hydrogen atoms? 3H, triplet a) signal at ~2.6 ppm H₂N. b) signal at ~3.4 ppm 2H, 2H, doublet 2H, CH CH3 doublet quartet c) signal at ~6.6 ppm 2H d) signal at ~7.0 ppm 28) Select the major product of the following se howing series of reactions. 1) SOCl2 OH y So C, C1,CH. pyridine 2) CH3CH2CH2OH, pyridine OH OH oh odlom "D" transformation.
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