6. For each of the following compounds, (i) determine the structure of the compound with the 'H-NMR spectral information you must (ii) assign each absorbance to specific hydrogen(s) in the structure. If you are given. unable to solve a structure, (iii) describe as much of your reasoning as possible all spectra were acquired at room temperature Note: Assume a. C3H18O2 : 84.36, t, 1H 83.32, s, 6H 81.59, dt, 2H 81.35, tt, 2H 81.31, tq, 2H 81.29, tt, 2H 80.90, t, 3H b. C11H140 : 87.95, d, 2H 87.51, t, 1H 87.47, dd, 2H 82.95, t, 2H 81.72, tt, 2H 81.41, tq, 2H 80.96, t, 3H

6. For each of the following compounds, (i) determine the structure of the compound with the 'H-NMR spectral information you must (ii) assign each absorbance to specific hydrogen(s) in the structure. If you are given. unable to solve a structure, (iii) describe as much of your reasoning as possible all spectra were acquired at room temperature Note: Assume a. C3H18O2 : 84.36, t, 1H 83.32, s, 6H 81.59, dt, 2H 81.35, tt, 2H 81.31, tq, 2H 81.29, tt, 2H 80.90, t, 3H b. C11H140 : 87.95, d, 2H 87.51, t, 1H 87.47, dd, 2H 82.95, t, 2H 81.72, tt, 2H 81.41, tq, 2H 80.96, t, 3H

Organic Chemistry

8th Edition

ISBN:9781305580350

Author:William H. Brown, Brent L. Iverson, Eric Anslyn, Christopher S. Foote

Publisher:William H. Brown, Brent L. Iverson, Eric Anslyn, Christopher S. Foote

Chapter14: Mass Spectrometry

Section: Chapter Questions

Problem 14.27P: Following is the mass spectrum of an unknown compound. The two highest peaks are at m/z 120 and 122....

See similar textbooks

Similar questions

6) Complete the spectroscopy data tables for a compound with molecular formula C6H12O. Determine the structure of the compound. Any labile protons, if they exist, will not be present in this particular 1H NMR spectrum.
The 1H NMR spectrum, 13C NMR spectrum, mass spectrum, and IR spectrum below belong to a chemical with the molecular formula C4H9XO, where X is a halogen. Provide a structure for that compound. You must explain how you determined the structure for full credit based on the data bellow.
1) Complete the spectroscopy data tables for a compound with molecular formula C8H8O. Determine the structure of the compound. Any labile protons, if they exist, will not be present in this particular1H NMR spectrum.
Draw the structural formulas of the following compounds and indicate the number of NMR signals that would be expected for each compound. (a) methyl iodide (b) 2,4-dimethylpentane (c) cyclopentane (d) propylene (propene)
Which of the following compounds of molecular formula C6H1002, shows two singlets in its' H-NMR with areas of 2: 3, where the signal that integrates by 2 has a greater chemical shift?
07) How could 1H and 13C NMR distinguish between substances in each of the following pairs?
The 1H NMR spectrum, 13C NMR spectrum, mass spectrum, and IR spectrum below belong to a chemical with the molecular formula C7H16O. Provide a structure for that compound. You must explain how you determined the structure
Figures below give a molecular formula, an infrared spectrum,and a 1H NMR spectrum for an unknown compound.What is the structure of the compound? Explain briefly.
HO: :OH 6. Coumarins are a class of natural products produced by plants and animals. It has a wide variety of applications in cosmetics, food industry and fluorescent laser dyes. In the ¹HNMR spectrum of coumarin derivate shown below, the two signals farthest downfield are at 7.38 and 8.42 pm. Identify the two protons that most likely give rise to these signals and justify your answer using resonance structures. :0: of0087e....mp4 len GarayExam 7 pdf. :O:
204hw1-1 0021.pdf CCOB 124% 1. a) Consider this compound: ch -Br b) How many signals would this compound give in the 'NMR? You may group aromatic hydrogens together as one signal. cture above, label the different types of H'S as In table form, list the peaks, the number of On the st c) А, В, с, etc. hydrogens, their shifts, and the splitting you would observe in the 'NMR spectrum of this compound, for example: # of hydrogens Shift (6) -2.0 splitting singlet Label 3 etc. 23 ?S ? tv
1. Consider this compound: GH3 CH b) c) Label A B How many signals would this compound give in the 'NMR? You may group aromatic hydrogens together as one signal. On the structure above, label the different types of H's as A, B, C, etc. In table form, list the peaks, the number of hydrogens, their shifts, and the splitting you would observe in the 'NMR spectrum of this compound, for example: #of hydrogens 3 etc. Shift (8) 2.0 splitting singlet
What is the 1H NMR data (chemical shift, integration, multiplicity (specify as singlet, doublet, triplet,etc.) of the following two compounds?