Label NMR spectra Corboxylic Acids (#1): "C NMR Spectrum in CDCI, ppm 20 40 60 76.745...
problem 4.05 please 1-3. There are two sets of spectra attached. For each provide a structure and assign the peaks by labeling the structures and listing the peaks in the tables provided. 208 Label H NMR 6 Label C NMR 6 4.05 Label H NMR 8 Label C NMR 8 Problem 4.05 Given the spectroscopic data below (Proton, Carbon, gHSQC, gCOSY, and gHMBC), provide the structure of the molecule. (HR-MS: 238.1358 amu), {'H, 'H) Nuclear Overhauser effect correlation was observed...
Identify compound using C13 NMR. Label spectra. 1 PPM COPYRIGHT 1992 C-13 NMA (COCL3) 60 40 20 PPM 0 140 120 100 80
label the spectrum OTBS Meo Yome Me H NMR spectrum (CDC13, 400 MHz) 8.5 8.0 7.5 7.0 6.5 6.0 5.5 5.0 4.5 4.0 f1 (ppm) 3.5 3.0 2.5 2.0 1.5 1.0 0.5 0.0 -0.5 18C NMR spectrum (CDCI, 100 MHz) 210 200 190 180 170 160 150 140 130 120 110 100 fi (ppm) 90 80 70 60 50 40 30 20 10 -10
Label the spectra and propose a structure for the compound. Compound 3 IR Spectrum quid 4000 3000 2000 V (cm 1000 ) 1200 800 of base peak more Cg H100 280 40 80 120 160 200 240 C NMR Spectrum 50. 0 00, DEPT Chi sont on GGL 200 160120 120 80 40 0 5 (ppm) TH NMR Spectrum (200 M . CDCI, solution 10 9 8 7 6 5 4 3 2 i 8 (ppm)
please answer completely and correctly 8) The 'H and "C NMR spectra of a compound with the formula CHoBr are shown below. Pr a structure for this molecule and assign the peaks in the spectra. TMS 10 9 0 ppm Chemical shift (5) TMS 200 180 16010 120 10806040 20 ppm Chemical shift (8) 9) The mass spectrum and 13C NMR spectrum of a hydrocarbon are shown below. Propose a structure for this hydrocarbon and explain your answer based on...
1) Which compound gives the following spectra? For the 'H-NMR assign all signals. Interpret base peak and mole peak in the mass spectrum if a mole peak exists. Assign at least two "C signals. How does the IR spectrum support your findings? (12 pts.) 100- Relative Intensity 0- 20 40 60 80 100 140 160 180 200 220 120 m/ 200 180 160 140 120 100 80 60 40 20 0 ppm t6H 9,4H 11H d, 2 H 9 8...
Find the compounds using NMR and IR: Problem 85 IR Spectrum (liquid fiim) 1720 1600 2000 v (cm) 800 3000 1200 4000 100 Mass Spectrum 73 140 138 80 No significant UV 60 115 absorption above 220 nm 40 M 194/196 (1% ) 20 CeH1102Br 120 160 200 240 280 40 80 m/e 13C NMR Spectrum (50.0 MHz, CDCI, solution) DEPT CH, Cн, сн! solvent proton decoupled 8 (ppm) 160 120 40 200 80 H NMR Spectrum (200 MHz, CDCI,...
Please label all spectra for C5H9O2Br Problem 2 IR Spectrum liquid film) 1740 4000 3000 2000 1600 V (cm) 1200 600 Mass Spectrum قليلالالالالالا % of base peak No significant UV absorption above 220 nm 107/109 152/154 M + 180/182 C5H,OBr 40 80 200 240 120 160 m/e 280 . 13C NMR Spectrum (50,0 MHz, CDCI, solution) DEPT CH CH CH4 proton decoupled solvent 200 160 120 80 OLII 40 08 (ppm) TH NMR Spectrum (300 MHz, CDCI, solution) expansion...
16. Propose a structure for a molecule of formula CaHsCl which gave the following 1H NMR spectrum. PPM 17. Propose a structure for a molecule whose mass spectrum shows a parent ion at m/z 148, an IR peak at 1680 cm'and gives the following H and 13C NMR spectra 3H зн 2H 2H 2H 3 5 2 7 6 4 PPM 160 140 180 60 220 200 20 0 120 100 80 40 PPM -
Please answer questions 2,3, and 4 that correspond to the nmr spectra of (2E,6E)-2,6-dibenzylidenecyclohexanone. Product: ppm BE 06 135 94 190 180 170 160 150 140 130 120 110 100 90 80 70 60 50 40 ppm 30 20 2. Are there any non-aromatic or non-alkene protons seen on the 'H NMR spectrum (yes or no)? If so, list the corresponding ppm value(s): 3. Are there any peaks upfield of 70 ppm seen in the 13C NMR spectrum (yes or...