9) In a published synthetic procedure, acetone is treated with ethenyl(vinyl) magnesium bromide, and the reaction...
(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 =...
Please fully answer all parts of the question.
5. (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, q, J = 7.1 Hz 5H, m 1H, d, J= 15.8 Hz. TT 2 1 10 9 8 7 6 5 4 3 1 ppm Summary of peaks (ppm): 1.32 (3H, t, J = 7.1 Hz), 4.24 (2H, q,...
What is the structure of the unknown organic compound based on
the information listed below?
Mass Spectrum (not shown): [M]-223 (100%) m/z IR Spectrum (not shown): 3060, 2985, 2850, 2750, 1745, 1600, 1550, 1495, 1350 cm otherwise indicated) (all listed are strong (s) unless H NMR Spectrum (400 MHz, CDCl3, 25 °C) d (J 8 Hz) d (J 2 Hz) quin dd(J 8, 2 Hz) 2 PPM 1H 1H 1H1H 1H 2H 3H 3H 13C NMR Spectrum (with DEPT), proton-decoupled...
Spectroscopy Unknown
Spectroscopy Unknown. The spectra and data provided were obtained from a pure organic molecule. For iH NMR Spectra, the integral is given in number of hydrogens (th) or as a relative ratio. Important coupling constants (J-values) are listed next to the peaks for some examples. For some spectra, an inset (grey box) is also given showing a "zoom-in" on an important part of the spectrum. Submit your answer for Quiz 8 at: http://go.osu.edu/CH2550QUIZ Mass Spectrum (not shown): [M-223...
3-Phenylpropanoyl chloride (C6H5CH2CH2COCl) reacts with AlCl3 to give a single product A with the formula C9H8O and an 1H NMR spectrum with signals at δ = 2.53 (t, J = 8 Hz, 2 H), 3.02 (t, J = 8 Hz, 2H) and 7.2-7.7 (m, 4H) ppm. Propose a structure for this compound. The product of the process described above is subjected to the following reaction sequence (1) NaBH4, EtOH; (2) conc. H2SO4,100 °C; (3) H2, Pd/C, EtOH. The resulting molecule...
This is a caffeine nmr data, label the protons, carbons and
hydrogens. Explain the nmr data of caffeine and the multiplicity.
Also explain the graph and structure of caffeine.
This is the graph for caffeine ignore the other graph and
explain the data. Using the pictures that has the nmr data.
I- 1.0 1.0 2.0 2.0 5.0 2.6.04.0 3.0 0 (ppm) — o predictedSpectrum Chemical structure with hydrogen exploded Paste or drop a molfile or SMILES J (Hz) Drop or...
Propose a structure that is consistent with the spectral data below. (The spectra and data provided were obtained from a pure organic molecule. For 'H NMR spectra, the integral is given in number of hydrogens (#H) or as a relative ratio.) Mass Spectrum (not shown): [M] = 162 m/z (100%) IR Spectrum (not shown): 3022, 2980, 1685, 1600, 1510 cm (all listed are strong (s) unless otherwise indicated) 'H NMR Spectrum (300 MHz, DMSO, 25 °C) dd (J= 2 Hz)...
draw the structure for the spectroscopy and show steps
and label each part
Mass Spectrum (not shown): [M] = 302 (75%), 304 (100%), 306 (25%) m/z (all listed are strong (s) unless otherwise IR Spectrum (not shown): 3090, 2985, 2850, 2750, 1715, 1610, 1500 cm indicated) 'H NMR Spectrum (400 MHz, CDCI, 25 °C) t(J = 2 Hz) t(J= 2 Hz) +(J= 2 Hz) 2H 6H 3H 1H 1H 1H PPM HC NMR Spectrum (with DEPT), proton-decoupled (125 MHz, CDCI,...
A compound of unknown structure gave the following
spectroscopic data:
Mass spectrum: M+ = 88.1
IR: 3600cm-1
1H NMR: 1.4 (2H, quartet, J=7Hz); 1.2 (6H, singlet); 1.0 (1H,
singlet); 0.9 (3H, triplet, J=7Hz)
13C NMR: 74, 35, 27, 25
a. assuming that the compound contains C and H but may or may not
contain O, give three possible molecular formulas.
b. how many protons (H) does the compound contain?
c. what functional group(s) does the compound contain?
d. how many...
(iii) A compound of unknown structure was found to have a molecular formula CHNO. The wavenumber () of selected bands from the IR spectrum of the compound are given below: v (cm)-2980-2830 (multiple overlapping bands, medium intensity), 2250 (medium), 1125 (strong) The 'H NMR spectrum (400 MHz, CDCls solvent) of the compound is shown, with the integration of the signals indicated by the curves. The chemical shifts (8) and coupling constants of the iH NMR signals are: 83.50 (tJ-7 Hz),...