(A) C5H10O3
DBE = 5 + 1 - 10/2 = 1
(A) C7H10O
DBE = 7 + 1 - 10/2 = 3
Draw the structure of a compound consistent with the following spectral data. In addition, the IR...
Question 3) Propose a structure consistent with the following spectral data for a compound C H..0, IR 3100 (broad, strong). 1710 (strong) cm '; 'H NMR: 1.05 (triplet, 3H), 2.40 (triplet: 2H), 3.46 (quartet, 2H), 3.61 (triplet, 2H), 12.01 (broad singlet, IH) (10 points)
Question 3) Propose a structure consistent with the following spectral data for a compound C&H..0) IR 3100 (broad, strong). 1710 (strong) cm''; 'H NMR 1.05 (triplet; 3H), 2.40 (triplet: 2H), 3.46 (quartet, 2H), 3.61 (triplet, 2H), 12.01 (broad singlet, 1H) (10 points) puy!!! Chemical Shift in 'H NMR --C-HE! 2.1-2.6 C-H 2.3-2.9 (benzylic) (vinylic) 4.5-6.0 -C-H 9.0-10.0 (aldehydic) C-H (allylic) 1.6-2.8 6.5-8,0 -c-H| (phenyl) 3.2-4.2 C-H 0.7-1 (alkyl) 1110 7 32 1 8 (ppm) I-¢-H| 22-4.2 - C- H 2.7-4.2...
Draw a structure for the compound with molecular formula CsH..O and with the following spectroscope data. IR: 1720 cm 'H NMR: 0.9 88 (triplet, 3H), 1.7 8 (sextet, 2H), 2.1 8 (singlet, 3H), 2.48 (triplet, 2H) Please draw the spectrum to help you work out the answer. Your spectrum will be graded. After drawing your structure, label the protons with the expected chemical shift given in the list.
D. A compound was isolated from an addition reaction performed in ether contaminated with peroxides and its spectral data (MS, IR, 'H NMR, 3C NMR) are presented. Suggest a structure consistent with the major features of each spectrum and outline your solution strategy 10O 60 40 160 O.o 40 O.6 100O 200O 3000 3 PPM 15 10 25 5 35 30 40 45 PPM D. A compound was isolated from an addition reaction performed in ether contaminated with peroxides and...
12. Choose the correct structure of the compound (Formula: CioH1202) with the following spectral data Then, identify key signals on the IR spectrum that proves the structure you chose. On the 'H-NMR spectrum redraw the structure you have chosen, label each type of protons using a, b, c etc. and assign each letter to one of the peaks on the spectrum. C10H120 100 50 Wavenumber 500 multiplet 5 3 0 Pn-C-CH2-o-CHzcHs Ph-C CH2CH2 O CH3 A) B) C)
A compound of unknown structure gave the following spectroscopic data: Mass spectrum: M+ = 88.1 IR: 3600cm-1 1H NMR: 1.4 (2H, quartet, J=7Hz); 1.2 (6H, singlet); 1.0 (1H, singlet); 0.9 (3H, triplet, J=7Hz) 13C NMR: 74, 35, 27, 25 a. assuming that the compound contains C and H but may or may not contain O, give three possible molecular formulas. b. how many protons (H) does the compound contain? c. what functional group(s) does the compound contain? d. how many...
) A compound with molecular formula CxH 1403 displays the following spectral data. Propose a structure for this compound in the box at the bottom of the page. Peak assignments written on the spectra may be worth partial credit. (5 marks) r IR Spectrum liquid film) 1735 1717 4000 3000 1200 800 2000 1600 V (cm) 13C NMR Spectrum (100 MHz, CDCI, solution) DEPT CHI Chit Cht solvent proton decoupled 100 no Sloml proton decoupled 200 160 120 80 40...
for the following 2 compounds, please calculate, and show the calculations for, the degree of unsaturation, assign the IR spectrum peaks, assign the 13C NMR peaks, assign the 1H NMR peaks, and draw the structure for the unknown compound. CHIM 245 Spectroscopy Problem Set #2 In this problem set there are two unknown compounds. You are provided with the formula, IR spectrum, "C NMR spectrum, and 'H NMR spectrum for each compound. Each unknown is worth 10 points, with an...
Given this IR Spectra of an unknown compound, how do I determine the structure of what I have? I think I have some sort of ketone? Possibly a methyl ketone. Attached is also the H-NMR. Please help determine structure of unknown. the only other information i have is that it has a low molecular weight and is neutral 120-pennifers Gr own#1 110 100 80 70 60 50 40 30 20 4000 3500 3000 2500 2000 1500 1000 Wavenumbers (cm-1) ue...