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- A 13C NMR spectrum of commercially available 2,4-pentanediol, shows five peaks at 23.3, 23.9, 46.5, 64.8, and 68.1 . Explain.Show the 13C NMR for the following compound and Explain each peak for formed in detail.what is is the structure of a compound of molecular formula c 10 h 14 o 2 that shows a strong ir absorption at 3150-2850 cm − 1 and give the following 1 h nmr absorptions: 1.4 (triplet, 6 h), 4.0 (quarter, 4h), and 6.8 (singlet, 4h) ppm?
- 1) Propose the structures for the following 1H and 13C NMR spectrum. b) Molecular Formula: C8H8O3 1H-NMR, CDCl3 Solvent, Molecular Formula: C8H8O3 13C-NMR, CDCl3 Solvent, Molecular Formula: C8H8O3 in the picturesA compound of molecular formula C4H8O2 shows no IR peaks at 3600–3200 or 1700 cm-1. It exhibits one singlet in its 1H NMR spectrum at 3.69 ppm, and one line in its 13C NMR spectrum at 67 ppm. What is the structure of this unknown?You have a sample of a compound of molecular formula C11H15NO2, which has a benzene ring substituted by two groups, (CH3)2N− and −CO2CH2CH3, and exhibits the given 13C NMR. What disubstituted benzene isomer corresponds to these 13C data?
- You have a sample of a compound of molecular formula C11H15NO2, which has a benzene ring substituted by two groups, (CH3)2N – and – CO2CH2CH3, and exhibits the given 13C NMR. What disubstituted benzene isomer corresponds to these 13C data?Propose a structure for an unknown compound whole molecular formula is C(5)H(10)O(2) and is consistent with the 1H NMR data listed. doublet, at 1.23 ppm (6H) singlet, at 2.10 ppm (3H) septet, at 4.98 ppm (1H)Predict the structure of the molecule with molecular formula C8 H10 O using given information about its 1H NMR, 13C NMR, and IR.
- Select the unknown with the following information from 1H-NMR, IR and MS.Draw the structure of the ether that has a chemical formula C8H10O2, has a molecular ion peak at 138, and is represented by the IR, 'H NMR, and 13 C NMR belowTreatment of butan-2-one (CH3COCH2CH3) with strong base followed byCH3I forms a compound Q, which gives a molecular ion in its massspectrum at 86. The IR (> 1500 cm−1 only) and 1H NMR spectra of Q aregiven below. What is the structure of Q?