1. Determine the structure for the compound with chemical formula CHO from the given 'Hand C...
3. Determine the structure for the compound with formula C H15BrO from the given NMR spectra. Use an inverted tree diagram to determine the coupling for the signals at 2.75 and 3.05 ppm. The compound shows a signal at 1705 cm' in the IR. (20 pts 6H ЗН 2H 1H 1H 1H 1H PPM
ty to whoever helps :,) 2. Determine the structure of a compound with molecular formula CHO and the following spectral data daudet Ho- 11 10 -o-H 1H NMR - - pom 200 180 160 340 120 100 ppm 80 60 40 20 13C NMR IR LY 2. Determine the structure of a compound with molecular formula C H200 and the following spectral data, doublet doublet 2H Sunglet 10 Ć -a 9 8 7 multis 11 10 - ppm
PROBLEMS L 445 of the H the structure of the compound Hand C spectra to the structure you 10) that gives the followinTH place carbons with signals in the propose. Use letters to comp s ur I R ani e ( F 949-951). Asignal s in the H NMR spectrum, and FIGURE 9.49 The 'H NMR spectrum simulated for Problem 9.43. 214 214 8pm FIGURE 9.50 A simulated broadband proton-decoupled SC NMR spectrum for Problem 9.43 CH .CH 180 160...
) 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 molecular formula GHO (IR spectrum has been included) triplet quartet Chemical Shift (d) Structure from NMR 5. Using the skills developed so far, predict the structure of the analysed compound from the given For the molecular formula CHO
Deduce the structure of the compound with molecular formula C5H10O. Deduce the structure of a compound with molecular formula C_3 H_10 O that exhibits the following IR, H^2 NMR, and C^13 NMR spectra. Data from the mass spectrum are also provided.
C5H1002 7. Draw the structure of the compound that correlates with this NMR. The chemical formula is given. Annotate the spectrum as we did in class, using the a, b, c scheme. O PPM 8. Tell me two IR peaks you know must be present for this compound. Draw the chemical bond and give me the approximate cm-1 value for each peak.
1. Given the 'H NMR spectrum below and a molecular formula of CHO, provide a structure. Note you must assign all of the signals in the spectrum below to receive full credit. IR: 1600-1650 cm (multiple peaks) (5 pts.) 3H5 2H, d 2H.d 2H, PPM
1. Given the 'H NMR spectrum below and a molecular formula of CHO, provide a structure. Note you must assign all of the signals in the spectrum below to receive full credit. IR: 1600-1650 cm (multiple peaks) (5 pts.) 3H5 2H, d 2H.d 2H, PPM
1. Given the 'H NMR spectrum below and a molecular formula of CHO, provide a structure. Note you must assign all of the signals in the spectrum below to receive full credit. IR: 1600-1650 cm (multiple peaks) (5 pts.) 3H5 2H, d 2H.d 2H, PPM