Use the numbered Below find the 13C and a DEPT 135 NMR spectrum of Primidone. 6...
Which molecule corresponds with the given 13C-NMR spectrum? Chem. DEPT Shift -135 45.10 32.54 - 29.21 - 22.14 - 13.96 + 200 180 160 140 120 100 50 8 40 20 CS30 O Xa CI CI og О ECI O CI
2. The 13C NMR spectrum is shown below for the major product of the following reaction. Draw the structure of this product. Note that there is an important peak at ca. 166 ppm and that the peak at ca. 40 ppm is due to a contaminant. excess KMnO4 H H. aq. NaOH 200 180 100 80 40 20 160 140 120 60
13C NMR 1. Propose a structure for the compound CsH12, with the following 13C NMR spectral data. 160 140 120 80 60 40 20 0 200 180 CDS-00-748 100 ppm 2. Propose a structure for the compound CaH;Br, with the following C NMR spectral data. 200 180 160 140 120 80 60 40 100 ppm 20 0 3. Propose a structure for the compound C H2O2, with the following "'C NMR spectral data. 200 180 160 140 120 30600 T...
1. Use the 'H NMR, 13C NMR, mass spectrometry and IR dat of a compound to determine its structure. IR Spectrum Mass Spectrometry Data relative abund 77 105 117 133 147 148 100 1H NMR Data 2H 24 ) H !! 13C NMR Data There are two unresolved lines between 130 and 131 ppa. TTTTTTTT 160 140 120 100 80 60 20 PPM 0 DEPT 135: positive: 18.4, 55.1, 113.9, 123.3, 126.9, 130.5 ppm DEPT 90: 113.9, 123.3, 126.9, 130.5...
13C NMR data provided. When possible, show partial 5. Determine the structure of NMR structures that correspond to individual NMR resonances co 3600 3400 3200 3000 2800 2600 2400 2200 2000 1800 1600 1400 1200 1000 800 31/ 5 AU 1.10 1.05 5.0 4.5 4.0 3.5 3.0 2.5 20 15 10 0 .5 0.0 normal decoupled 'SC DEPT-135: (+) indicates positive peak (-) indicates negative peak * indicates no peak DEPT-90 peaks indicated by Proposed Structure 12 200 180 160...
Which molecule corresponds with the given C-NMR spectrum? Chem. DEPT Shift -135 45.10 32.54 - 29.21 22.14 13.96 + 200 180 160 140 120 80 100 pm XX
Please help with identifying this compound? Need to draw the structure 14.01 Mass Spectrum 13C-NMR Spectrum CHO M**= 60 Relative Intensity 10 15 20 25 30 40 45 50 35 m/z 55 60 200 180 160 140 120 80 60 40 20 100 ppm IR Spectrum 1H-NMR Spectrum o Chem. shift Ret area Porto age are 3.5822.00 226 157 094 Singlet (hare some into the rest 1.00 2.00 3.00 1466 3333 2963 11 10 Ppm
28. A compound with the molecular formula of C3H.ON shows 1H NMR and 13C NMR as below. Give the most plausible structure in the box. 2H, 3 peaks 2H, 3 peaks 1H, 1 peak PPM 180 160 140 120 100 80 60 40 20 PPM
Interpret the 1H NMR and 13C NMR spectra data provided as evidence of the structure of styrene. Styrene H-NMR Styrene C-NMR We were unable to transcribe this imageStyrene in CDC13 VI 135 130 125 120 ppm 200 190 180 170 160 50 140 130 120 110 100 90 80 70 60 50 4030 20 10 ppm Styrene H-NMR Styrene C-NMR Styrene in CDC13 VI 135 130 125 120 ppm 200 190 180 170 160 50 140 130 120 110 100...
carrot fragments H2O, room temp 애 Below is the predicted 13C NMR spectrum for either the starting material or the product of the reaction you carried out. Which is it? With reference to key 13C NMR signals, explain your answer. 220 200 180 160 140 120 100 80 60 40 20 0