3. (5 points) From the NMR spectrum below, determine the structure of the compound. The molecular...
3. From the NMR spectrum below, determine the structure of the compound. The molecular formula is C4H7BrO2 . There are no 1H NMR signals outside of the region shown. 3. (5 points) From the NMR spectrum below, determine the structure of the compound. The molecular formula is C4H-BrO2. There are no 'H NMR signals outside of the region shown.
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 1H NMR spectrum below corresponds to an unknown compound with the molecular formula C4H7Cl. Deduce and draw the structure of the molecule from the data below. Clearly show stereochemistry where applicable. 3 H H NMR 2 H 1 H (CH3)4Si 1 H 5.0 4.5 4.0 3.5 3.0 2.5 2.0 1.5 1.0 0.5 0.0 300-MHz H NMR spectrun ppm (o)
8. The 'H NMR spectrum below corresponds to a compound with molecular formula CH1202 Determine the structure, label the unique sets of hydrogens and then use these labels to mark the corresponding signals. (4 pts.) s, 9H s, 2H bs, 1H 10 6 2 P-03-15 ppm
Question 23 What is the structure of the compound in the following 1H-NMR spectrum with the molecular formula C10H11N? Looking at the 13C-NMR you notice 10 distinct a characteristic peak around 2250 cm-1 . Relative Integration is shown.Question 26 For the following compound how many different signals would you see in the carbon NMR?
A compound with a molecular formula C5H10O has the following 1H NMR spectrum. Provide a structure that is consistent with this spectrum. 3. A compound with a molecular formula CsHioO has the following 'H NMR spectrum. pound with a molecular formula CsHioO has the following H NMR Propose a structure for this compound. PPM
(iii) A compound of unknown structure was found to have a molecular formula CHNO. The wavenumber () of selected bands from the IR spectrum of the compound are given below: v (cm)-2980-2830 (multiple overlapping bands, medium intensity), 2250 (medium), 1125 (strong) The 'H NMR spectrum (400 MHz, CDCls solvent) of the compound is shown, with the integration of the signals indicated by the curves. The chemical shifts (8) and coupling constants of the iH NMR signals are: 83.50 (tJ-7 Hz),...
2. Given the 'H NMR spectrum below and a molecular formula of CsH60, provide a structure. Note you must assign all of the signals in the spectrum below to receive full credit. IR: 1710 cm (5 pts.) 6H, 1H, S 2H, d 1H, m NH PPM CHE 310 Homework 9 Due WED NOV 20 3. Given the 'H NMR spectrum below and a molecular formula of CH..0. provide a structure. Note you must assign all of the signals in the...
"Determine the structure of each compound. For each NMR below, draw the determined structure and annotate( correlate the equivalent protons with the corresponding NMR signals in the spectrum)." All work must be very neat and organized. you need to organize your thoughts, please use o separate sheet of paper. Below are six IH NMR spectra from six different compounds. The molar mass for each compound is given. Determine the structure of each compound. For each 'H NMR spectra below, draw...
3. Given the 'H NMR spectrum below and a molecular formula of CaH.O, provide a structure. Note you must assign all of the signals in the spectrum below to receive full credit. IR: 3300 cm (broad) (5 pts.) зн, d Зн, t 2H,t 2H, q 2H, m 1H, bs 1H, m 4 3 2 PPM 4. In the space below, draw a 'H NMR spectrum for each of the following molecules. Note that only one of these will be graded...