Propose a mechanism for the following reaction and give the 1H NMR spectra for the reactant...
Give the structure that corresponds to the following molecular formula and NMR spectra: C6H14O 1H NMR: ? 0.91 (6H, d, J = 7 Hz); ? 1.17 (6H, s); ? 1.48 (1H, s; disappears after D2O shake); ? 1.65 (1H, septet, J = 7 Hz). 13C NMR: ? 17.6, ? 26.5, ? 38.7, ? 73.2.
6-A compound (C6H4C120) has the following 1H NMR, 13C NMR, and IR spectra. Propose a structure consistent with this data C6H40120 100 Transmittance -1577 SHE 4000 3000 2000 1000 Waven umhers (cm) 121.2 ppm 155 150 145 140 135 130 125 120 115 110 105 100 95 90 85 80 ppm 75 0606067 60 S SO 57
A compound with molecular formula C11H140 displays the following IR, 1H NMR and 13C NMR spectra. Propose a structure for this compound. Ppin 220.200.180.160.140 120 PPM 100 80 60 40 20
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
5-A compound (CH40) has the following 1H NMR, 13C NMR, and IR spectra. Propose a structure consistent with this data. Part marks are available so show your work! Clearly indicate your final proposed structure (10 Marks) C8H140 TOO -140 SI 30 3000 1000 2000 1000 Warenumbers (cm) 200 180 160 140 120 100 80 60 40 20 ppm ketone ble 1530 1510 1500 H 5.0 4.5 4.0 3.5 3.0 2.5 2.0 15 pm 4
Given the molecular formula and the^1H NMR spectra determine the unknown compounds structure. Suppose the unknown compound was reacted with NaH. Would the reaction proceed through a(n) S_N 1, S_n2, E1 and E2 mechanism? Draw the mechanism and final product of the reaction. Suppose the unknown compound was reacted with H_3CCH_2OH. Would the reaction proceed through a(n) S_N 1, S_N2, E1 and E2 mechanism? Draw the mechanism and final product of the reaction.
1H NMR spectra C through F (shown below) correspond to four
isomeric alcohols with the molecular formula of C5H12O. Please
propose a suitable structure for each spectrum and assign the 1H
NMR signals for each Hs in the molecule.
1H NMR spectra C through F (shown below) correspond to four isomeric alcohols with the molecular formula of C5H12O. Please propose a suitable structure for each spectrum and assign the 1H NMR signals for each Hs in the molecule.
1H NMR 6. Propose a structure for the compound CzH.O with the following 'H NMR spectral data. 2H 1H 3H 1110 H ppm 7. Propose a structure for the compound C2H60, with the following 'H NMR spectral data. (Note this is the same molecular formula as the previous question) ppm 8. Propose a structure for the compound C,He with the following 'H NMR spectral data. SH2H 1H ppm 9. Propose a structure for the compound CxHyN with the following 'H...
4) The 1H-NMR spectra shown below correspond to a compound of general formula CH,Br. Propose a plausible structure for this compound. a) Explain the multiplicity and the chemical shift of each signal b) Indicate in each signal how you would calculate the coupling constants (5). Give an approximate value (range) for each of the expected ) values c) Indicate the 'H coupling showing the above-indicated J values ? -3.31 2.01 1.00 6.03
5. (10 pts) Compound A, C10H1002, shows the following IR and NMR spectra. Propose an acceptable structure. 3000 1690 ose 3H, s 3H 2H 1H, 1H 14 12 10 8 6 2 0