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Which compound matches the following 13C NMR? 200 180 760 740 120 80 40 60 100...
Which compound matches the following 13C NMR? 160 140 120 100 60 40 80 PPM NH2 A. B. C. D. H ОА OD Ос OB
Which compound corresponds to the 13C NMR spectrum below? 240 220 200 180 160 140 100 80 50 120 PPM 40 20 0 to in OH A B с D E OA OB What is the product in the following reaction sequence? Br 1. NaN, 2. Hz (excess). Pdic NH NH2 B С D E OA OB Ос OD OE Identify which of the following molecules corresponds to the MS data below. tot Le ОН А D E F 100...
13C NMR 1. Propose a structure for the compound CsH12, with the following 13C NMR spectral data. 160 140 120 80 60 40 20 0 200 180 CDS-00-748 100 ppm 2. Propose a structure for the compound CaH;Br, with the following C NMR spectral data. 200 180 160 140 120 80 60 40 100 ppm 20 0 3. Propose a structure for the compound C H2O2, with the following "'C NMR spectral data. 200 180 160 140 120 30600 T...
Which compound matches the following 1H NMR spectrum? singlet 3H singlet 3H PPM A. B. i. C D. ОН H Ос B OD ОА
based on 13c nmr find unknown compound and label each peak. ppm 200 180 160 140 120 80 60 40 20 100 165 160 155 150 145 140 135 130 125 P
A compound with molecular formula C11H140 displays the following IR, H NMR and 13C NMR spectra. Propose a structure for this compound 180 20.200 160 0 120 100 06 60 40 20 PPM
On the attached image are 1H NMR, 13C NMR, and IR spectra of a compound with the formula C4H8O. 1H NMR signal at 1.2 is caused by 3 hydrogens, the sigbal at 2.1 is caused by 3 hydrogens, and the signal at 2.5 is caused by 2 hydrogens. Identify the compound. CH 1110 9 8 7 6?4 Problem 6. 'H NMR spectrum of compound HsO Problem 6. 13C NMR spectrum of compound C4HsO 200 180 160 140 120 100 80...
Bellow is the 13C NMR spectra including the integrations of the compound. Show the structure of each (remember from the integration that S singlet, d doublet, t triplet …. So on) Draw the compound structure for each spectrum and show every line belong to which carbon in the molecule Example: Problem (3) molecular formula is: C6H8O (cyclic compound) H O CDClj 100 80 60 40 20 160 140 120 220 200 180 PPM (8)
Deduce the following structure of the compound given their IR, H1 NMR, 13C NMR spectra, and assign IR functional group absorptions and assign the structure's protons and carbons to their respective spectral resonances. Compound 6 1756 IR Spectrum uid Sm) 15820 4000 3000 2000 1600 1200 800 V (cm) 100 55 Mass Spectrum 71 80 70 60 No significant UV M158 (1%) absorption above 220 nm C&H140s 40 80 120 160 200 240 280 m/e 13C NMR Spectrum (50.0 MHz,...
28. A compound with the molecular formula of C3H.ON shows 1H NMR and 13C NMR as below. Give the most plausible structure in the box. 2H, 3 peaks 2H, 3 peaks 1H, 1 peak PPM 180 160 140 120 100 80 60 40 20 PPM