40 7. Based on the spectral data shown, determine the structure of this compound. Draw the...
no it doesnt 40) 7. Based on the spectral data shown, determine the structure of this compound. Draw the structure in the box oto mz Two 2H triplets Actually 3 peaks Totho 100 bebas
40) 7. Based on the spectral data shown, determine the structure of this compound. Draw the structure in the box so no 200 130 120 /z m Two 2H triplets Actually 3 peaks
Draw the structure in the box 40) 7. Based on the spectral data shown, determine the structure of this compound. eo 60 20 1000 1500 200 po00 2000 40 20 140 160 40 120 180 60 100 m/z SH 2H Two 2H triplets Actually 3 peaks 140 160 12o 100
2. (3 points) Based on the spectral data provided, (a) determine the structure of the unknown compound (C6H120; (b) assign ALL major peaks in the mass spec (if there is an molecular ion, base peak, alpha- cleavage or McLafferty rearrangement label the signal as such) and IR that led to the identification of your compound. L00 s000 4500 200e a00 sVENEPI 100 80 60- 40- 20 120 110 100 90 80 70 60 50 40 30 20 10 m/z Relative...
40) Deduce the structure of the compound whose spectral data is shown below. 7 NO OH CH the 10 0 0 0 0 0 /z m
2. Determine the full structure of an unknown compound with spectral data from MS, H-1, and C-13 NMR. 12 10 H-1 NMR Relative Intensity MS m/z Two peaks overlapped 1.60 340 120 3600 20 C-13 NMR
Elucidate the structure of the compound that is described by the spectral data shown below. Place your structure in the box to the left. For partial credit place your pieces and constraints in the respective other box.
8. IR and proton NMR spectra for compound X are given below. Propose a structure for compound X based on these spectral data. Assign major IR peaks and proton signals. 100+ 90 801 ME92 33AM 45 73 70 604 504 401 57 301 201 101 20 40 200 0 80 180 00 120 140 160
5) 4. Calculate the specific rotation for a substance that is at a conc. of 0.02 /ml, and in a 2 decimeter tube gives an observed rotation of +12° 15) 5. For this molecule: a. How many chemically different hydrogens? b. How many chemically different carbons? C. What would be the mass of the molecular ion in El-MS? 10) 6. True or False: a. Chemical shifts, in ppm, are independent of the magnetic field strength. T F b. In HNMR,...
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...