7. C,HO IR: Nothing of interest C: 156 (s), 140 (s). 127 (d), 114 (d), 65...
7. Consider the IR, 'H-NMR and C-NMR spectra of the compound with MF:C,H, 0. 4 pts Identify the structure of the unknown compound. MF C7H140 MW 114 $C 73.6 SH 12.4 Mass Spec. D m/ sbund. 27 35 relativ 114 11 Popyright © 1994 1.0 PPM 3.0 Proton NMA TTTTTTTTTTTTTTTTTTTTTTTTTTTTTT 200 180 160 140 Carbon 13 NMR T 120 TTTTTTTTTTTTTTTTTTTTTTTTTTTTTT 100 80 60 40 20 PPM O en og and 8. Consider the IR, 'H-NMR and C-NMR spectra of the...
7. Consider the IR, 'H-NMR and C-NMR spectra of the compound with MFC,1,0, Identify the structure of the unknown compound MP pls MW 114 *C 73.6 WW 124 Mass Spee, D relativ mix bund, 27 71 74 LESTE WVELDEN Copyright © 1994 래 TTTT 2.0 3.0 Proton NMR 1.5 1.0 PPM MITTIT 200 TTI TITTI 80 60 40 20 PPM 0 180 160 Y 120 140 100 Carbon 13 NMA 8. Consider the IR, 'H-NMR and 13C-NMR spectra of the...
Use the mass spectrum and either the NMR spectrum or the IR
spectrum to deduce the structure of the following compound
(c) C8HO3H NMR, 300 MHz, 6.1 ppm (singlet, 2H), 6.9 ppm (doublet, 1H), and 7.3 ppm (singlet, 1H), 7.4 ppm (doublet, 1H), 9.8 ppm (singlet, 1H); significant IR absorbances at 1687, 1602, 1449, 1264, 1038, 929, and 815 cm1. 100 149 (150) 80 60 40 121 63 20 65 91 0 15 20 25 30 35 40 45 50...
1. label all spectra in IR
2. figure out structure. label a,b,c,d, etc in structure and
corresponding letter on all peaks in HMNR and CNMR
3. show all calculations
IR/HNMR/CNMR MW=122: 124 AMU 1:1 11 10 200 150 160 140 120 100 ppm 100 0
Check 200 180 160 120 80 60 40 20 0 140 a 100 ppm s, 3H t, 3 H d. 2 a. 2 H d. 2H s, 1 H 1 10 9 8 7 6 4 3 2 1 5 ppm 1) Which compound gives the following spectra? For the 'H-NMR assign all signals. Interpret mol peak and base peak in the mass spectrum if a mole peak exists. Assign at least two 13C signals, How does the IR spectrum...
Determine the structure of Compound 2 using the Mass Spec, IR, C
NMR, H NMR, and Dept Experiments.
Splitting patterns are as follows from left to right: triplet, 5
peaks (unsure of name), septet (7), 4 peaks (unsure of name),
doublet
Compound 2 Mass Spec MT:M/2 = 164 Relative Intensity 25 50 75 125 150 100 m/z IR LO0 D 4000 3000 2000 1500 1000 500 HAVENUMBERI-i H NMR: ditto as compound 1 6 2 2 4 1 2 PPM...
Fill in the blank s=singlet d= doublet q= quartet and so on also
which molecule match the HNMR and CNMR spectra
Observed 1H NMR and 13C NMR spectra: NMR Data Table for Predicting Expected Signals ЗН # of 'H Alcohol Ester Esterification Product with Acetic Acid # of 13C Ester NMR signals NMR signals 1H Ester NMR Integration & splitting (from left to right) HO Ethanol 4 3 3H(s), 2H(q), 3H(t) Ethyl acetate НО 1-Butanol Butyl acetate 2H 3H 4H...
Determine how many CH2 and CH3, CH and C (no hydrogen) groups
are in the molecule. and how many proton groups are there. Does the
spectra agree with this?
Cholesterol in CDC13 Proton spectrum AAA M. T T 40 0.5 5 5,0 4.5 3.5 3.0 25 2.0 1,5 14 0 f1 (ppm) Cholesterol in CDC13 Carbon Spectrum ..demel. 135 130 80 10 50 145 140 125 120 115 110 105 100 95 90 85 70 75 f1 (ppm) 65 60...
Thanks!
On each the following IR spectra, circle and indicate the most important stretching signal from the following choices:N-H, O-H, CEN, CEO, C-O, Top, IR spectrum of Compound 18a: C14H1402 Bottom, IR Spectrum of Compound 18b: C3H120. write your answer on the corresponding square provided (2.5 pts each, 5 pts total) mar 2000 6 18. Draw the structures of Compound 18a. and 18b. (18 pts), clearly indicate your assignments of all proton resonances (8 pts). Calculate the Unsaturation Index of...
On each the following IR spectra, circle and indicate the most important stretching signal from the following choices:N-H, O-H, CEN, CEO, C-O, Top, IR spectrum of Compound 18a: C11H1402Bottom, IR Spectrum of Compound 18b: C.H120. write your answer on the corresponding square provided 100 0 1000 LOO khmer WA 000 200 1000 50 VENUHRERI- 6 18. Draw the structures of Compound 18a. and 18b. (18 pts), clearly indicate your assignments of all proton resonances (8 pts). Calculate the Unsaturation Index...