assign all protons on spectra on the molecule 3,000 3.800 ခြင်ကိုက်ကိုက်ကို ကြက်က်က်က ဟဟဟဟဟပတတတတတတတဗာဟဇာတ * * *...
Can each of the following molecules be identified apart from proton NMR? If so, how would the spectra differ from molecule to molecule? Assign ranges to protons and multiplicities.
Identify which compounds corresponds to which spectra.
Assign each resonance signalsto their
corresponding protons.
Cii AssIGN 3H INTEGRALS H -2 6 10 12 ppm HSP-01-135 2 7 .3Hl 2H 2H 1H 2H 0 2 4 8 ppm HSP-06-302
Assign the peaks in the 1H NMR shown below to the correct
protons in molecule 2. The portuon of the NMR between 8-6.5 ppm has
been magnified for easier viewing.
4) Assign the peaks in the 'H NMR shown below to the correct protons in molecule 2. The portion of the NMR between 8-6.5 ppm has been magnified for easier viewing. 2H 1H2H1H Зн molecule 2 Зн PPM
Assign the protons to their respective peaks for Dibenzalacetone
on H NMR spectra.
.9 7.2 MP .. 41-113℃ rn 7.4 7.3 7.2 110 1.577 H20
.9 7.2
MP .. 41-113℃ rn 7.4 7.3 7.2
110 1.577 H20
Provide structures that are consistent with the following 1H NMR spectra. Calculate the degree of unsaturation of each compound first. Assign the protons to their respective peaks.010 1H shift chart 304.pdf
2) Propose structures for the compounds that would be expected to generate the following 1H NMR spectra. Calculate the degree of unsaturation of each compound and assign the protons to their respective peaks.010 1H shift chart 304.pdf
Based on the following spectra predict what type of protons
are present in the molecule
*ive also attached the table that contains chemical shifts of
commony protons*
Exercise 4 Based on the following spectra, predict what type of protons are present in the molecule. 2. 11 10 10 5 4 2 1 HGP-065 Ppm e-0-106 Ppm 9 4 3 1 MP 49-747 pprm Table 1 Chemical Shifts of Common Protons approx. Chemical Shift (ppm) approx Chemical Shift approx. Chemical Shift...
PROBLEM Z FROBLEM 6. Organic Spectroscopy. Identify the molecule corresponding to the spectra given below. Assign all peaks in the proton NMR In the IR spectrum below assign only the three vibrator bands labeled: a. bes "HAMAR PPM 13 C-NMR 180 160 140 120 100 80 60 40 20 0 Write a short justification for your assignment: 2977: 1739 1246: of 30 points
draw the compound and assign the peaks to it
8 19 31 176 00 350 089 05769 8 10 ppm spectrum and clearly assign the chemical shifts to the appropriate protons on the molecule
8 19 31 176 00 350 089 05769 8 10 ppm
spectrum and clearly assign the chemical shifts to the appropriate protons on the molecule
For the spectra below, provide the structure of the molecule (2pt), assign the peaks in the C-13 NMR/DEPT to the structure (2pt), and assign the signals in the H-NMR (2pt) to the structure.