2. Given the following molecular formulas solve the proton NMR spectra for the molecular structure. Write...
Compound 2: Use the information provided below and the IR and NMR spectra on the next page to answer the following questions. a) An MS was taken of compound 2 and the table is given below. Determine the molecular formula of 2 from the MS given below relative abundance m/z 132 100 133 9.8 b) Calculate the Index of Hydrogen Deficiency/Degree of Unsaturation for the molecule. c) Using the IR spectrum and the 1H- and 13C-NMR spectra given below, determine...
Propose a reasonable structure based on the molecular formula, the 1H NMR, and the proton–decoupled 13C NMR data below. The unknown compound has a molecular formula of C7H16O and * = CH2 by DEPT. Propose a reasonable structure based on the molecular formula, the 'H NMR, and the proton-decoupled 13C NMR data below. The unknown compound has a molecular formula of C7H160 and * = CH2 by DEPT. 'H NMR 3H 8H 13C NMR 2H (CH3)4 Si 26 VIH them...
QUESTION 1. Interpret the given 'H NMR spectra then type the name of the compound below. C10H19CIO3 (s, 9H) overlapping peaks (q, 2H) (t, 1H) (t, 2H) (t. 21 (1, 3H) PPM
Draw the structure of the compound whose molecular formula is C9H10O and has the following proton NMR data: Draw the structure of the compound whose molecular formula is C9H100 and has the following proton NMR data: triplet at 1.2 ppm, integrates to 3H quartet at 2.7 ppm, integrates to 2H doublet at 7.3 ppm, integrates to 2H doublet at 7.7 ppm, integrates to 2H singlet at 9.9 ppm, integrates to 1H Take a photo of your answer and upload it...
Propose a structure for the compound that has the following spectra: NMR: ? 1.28 (3H, t, J = 7 Hz); ? 3.91 (2H, q, J = 7 Hz); ? 5.0 (1H, d, J = 4 Hz); ? 6.49 (1H, d, J = 4 Hz) ppm IR: 3100, 1644 (strong), 1104, 1166, 694 cm -1 (strong) no IR absorptions in the range 700-1100 cm -1 or above 3100 cm-1 Mass spectrum: m/z = 152, 150 (equal intensity; double molecular ion)
1. Given the 'H NMR spectrum below and a molecular formula of CH20, provide a structure. Note you must assign all of the signals in the spectrum below to receive full credit. IR: 1600-1650 cm' (multiple peaks) (5 pts.) 3H, S 3H. t 2H, d 2H, d 2H, PPM 2. Given the 'H NMR spectrum below and a molecular formula of CH.0, provide a structure. Note you must assign all of the signals in the spectrum below to receive full...
Draw the structure of the compound whose molecular formula is C9H10O and has the following proton NMR data: triplet at 1.2 ppm, integrates to 3H quartet at 2.7 ppm, integrates to 2H doublet at 7.3 ppm, integrates to 2H doublet at 7.7 ppm, integrates to 2H singlet at 9.9 ppm, integrates to 1H What are the reagents needed for each of the following transformations? CH3CH2OH a., CH3CH2Br 6 ChọCH2CHCH3 CH3CH2CCH3 CH3CH2CCH3
CHEM 135 CLG 10 SP20 Deduce the structure for the following compound on the basis of its proton NMR spectra and molecular formulas. C6H12O2; d = 0.95 ppm (triplet, 3H) 8 = 1.39 ppm (multiplet, 2H) d = 1.62 ppm (multiplet, 2H) d = 2.05 ppm (singlet, 3H) 8 = 4.08 ppm (triplet, 2H)
Please give the structure based on the NMR spectra depicted. Compound G: Molecular formula = C9H12. Key Infrared signal: 3082, 749, 699 cm 5H, m 3H, t 2H, sextet 2H, t 10 Heoe-ese Pprn Draw your final in this box. Compound H: Molecular formula C$H10O. Infrared signal: 2874, 2719, 1726 cm 3H, t 9-10 2H, 2H, t udd sextet 1H, singlet 2H, pentet 1.5 2.0 1.0 PPM 3.0 t0 5 10.0 9 9.0 8.5 8.0 7.5 7.0 6.5 PPM Draw...
The following spectroscopic data below corresponds to an unknown carbonyl compound with the molecular formula C8H12O. Deduce and draw the structure of the compound that corresponds to the data. The letter \"m\" refers to an uninterpretable multiplet in the spectra. 1H NMR: δ 0.94 (t, 3H), 1.48 (sextet, 2H), 2.21 (q, 2H), 5.8-7.1 (m, 4H), and 9.56 (d, 1H) ppm. 13C NMR: δ 13.6, 21.9, 35.2, 129.0, 135.2, 146.7, 152.5, 193.2 ppm.