19. The 'H-NMR spectra of two compounds with formula C11H16 are shown below. Identify the compounds. a. 8 7 6 5 4 3 2 1 8 (ppm) frequency b. 10 8 6. 3 8 (ppm) frequency 4.
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- The MS and 13C NMR spectra for two constitutional isomers with 4 degrees of unsaturation are shown below. Determine the molecular structures of the two constitutional isomers.Draw the structure of C10H18O2 which is consistent with the 13C NMR data below. Thepeak appearing at 14 ppm is actually two very close peaks.Consider the product below a) Predict the 1H NMR spectrum for this molecule. Predict the multiplicity, integration and relative ppm b) Predict the 13C NMR spectrum and DEPT spectra. Use (+) for positivesignals, (-) for negative signals, and (X) for no signal in the DEPT NMR spectra.
- For each of the molecules in Problem 16.39, determine how many signals should appear in its 13C NMR spectrum.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?Show the 13C NMR for the following compound and Explain each peak for formed in detail.
- Give the structure for two isomers of molecular formula C4H10O which are consistent with the ^1H-NMR spectra shown below.PART 2: Compounds A, B, and C are isomers with the formula C5H11Br. Their broadband proton-decoupled 13C NMR spectra are given below. Information from the DEPT 13C NMR spectra is given near each peak. Give structure for C.1) Propose the structures for the following 1H and 13C NMR spectra. a) Molecular Formula: C5H10O2 1H-NMR, CDCl3 Solvent, Molecular Formula: C5H10O2 13C-NMR, CDCl3 Solvent, Molecular Formula: C5H10O2 in the pictures
- Organic chemistry 2: from the attached NMR spectrum what can be the proposed molecule that corresponds to the spectrum. Please discuss how how you arrived at the identity of the compound.Propose a structure consistent with each set of data. C8H10 : IR absorptions at 3108–2875, 1606, and 1496 cm−1From the spectra, determine the structure of the molecule.Remember to ignore the triad in the 13 C NMR spectrum at 77 ppm thatcomes from the NMR solvent