A compound has the H NMR spectrum shown below. Identify the compound 10 6 4 3...
A compound has the 'H NMR spectrum shown below. Identify the compound. 11 10 9 00 7 6 UI 4 3 2 1 O None of these compounds fit the spectrum that is shown here. CN O Me H A compound has the 'H NMR spectrum shown below. Identify the compound. 3H triplet 2H triplet 2H 11 10 9 00 7 0) 5 4 3 N 1 0 None of these compounds fit the spectrum that is shown here. A...
A compound has the 1H NMR spectrum shown below. Identify the compound. A compound has the 1H NMR spectrum shown below, Identify the compound 10 9 87654 3210 MeO None of these compounds is consistent with the spectrum that is shown here. HO
C09T0508213 A compound has the molecular formula of CH3O. It exhibits 6 peaks in its 'H NMR spectrum. These peaks are (in 6): 5.8 (1H, m), 5.1 (1H, m), 3.7 (2H, t), 2.8 (1H, br s). 23 (2H, m). Which of the following compounds is consistent with this data? Оме H OH OH H CO9T0507896 An unknown compound has the following IR and NMR spectral data. Give a structure for the compound. IR (cm): 3500-2600 (broad), 1710, 1500, 900, 730,690...
6. The 'H NMR spectrum of a compound with molecular formular CaH10O is shown below. Determine the structure of the compound and assign the 'H NMR signals. 4 2
The H-NMR spectrum of an unknown compound (formula CaHgO2) is shown below. Draw the structure of the unknown compound. Question 5 4 1 6 5 8 10 11 Ppm The 13C-NMR spectrum of an unknown compound (formula CgH180) is shown below. Its 1H-NMR spectrum only shows one singlet at 1.2 ppm. Draw the structure of this unknown compound. uestion 2 220 200 160 140 120 PPM 100 80 240 180 60 40 20 Create OscerSketch Answer 2 What would be...
4. The H NMR spectrum shown below is for a compound with the formula CgHi9lN a) Determine the lOU for the compound b) Propose a structure for the compound c) Assign all H NMR signals to the hydrogens in your structure 6H 4H 4H 4H 1H
6. The 'H NMR spectrum of a compound with the molecular formula CsH.CIO, is shown below. Note: To clearly assess the splitting of each signal, refer to the insets that are provided. (10 points) 445 44 60 620 415 (a) Calculate the number of degrees of unsaturation for this molecule (2 points) (b) What is the structure of this compound? To receive full credit, completely annotate the above spectrum by assigning each signal to the corresponding proton(s) in your proposed...
Compound 5 undergoes the four-step reaction sequence shown below, to form compound 6 Based on the H-NMR data given for compound 6, propose structures for compounds 5 and 6. 1) NaOEt, xs EtO Compound 5 Compound 6 2) NaOH/H20 3) НСIН,0 4) A Compound 6: (C,H 180) 'H-NMR: 0.7 (d, 6H), 1.2 (m, 1H), 1.4 (s, 9 H), 2.2 (d, 2H) Compound 5 undergoes the four-step reaction sequence shown below, to form compound 6 Based on the H-NMR data given...
19. A compound with a molecular formula C Hascio, has the following 'H NMR spectrum. The IR spectrum shows strong absorption at 1800 cm. Which of the following structures is consistent with this spectrum? quartet triplet triplet quartet triplet 20. Which of the following compounds is consistent with the C NMR spectrum shown below? 3 signals PPM CHO / a) OH b) OH d) OH
4) The 'H-NMR spectra of benzhydrol and benzophenone are given below. Identify which spectrum belongs to which compound and and assign the peaks in each spectrum that substantiate your decision. 10