Is the proposed structure correct?
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Is the proposed structure correct? IH NMR Spectrum (400 MHz, CDCI solution) expansions (not to scale)...
Match NMR to one of the molecules below and why please
expansion scale H NMR Spectrum (400 MHz, CDCi solution) 0 20 Hz expansions و مالدار 9.8 9.7 2.3 2.2 10 0.95 ppm TMS 10 9 8 7 6 LO 4 3 1 N 0 o (ppm OH &
Use IR, proton NMR and MS data to deduce the correct structure. Draw the structure and circle it. Indicate on the IR, NMR and MS spectra the information you got from each to deduce the structure. 14, IR Spectrum 4000 3000 2000 V (cm 16001200800 ) Mass Spectrum 121/123 % of base peak M+-- 200202/204 X X or C₂ H₂ Brz 240 280 40 80 120 160 m/e 200 'H NMR Spectrum (400 MHz, CDCI, solution) triplet expansions carbon Carbon...
Find the compounds using IR and NMR:
Problem 25 2251 IR Spectrum (liquid film) 800 1600 1200 4000 3000 2000 v (cm) 100 Mass Spectrum M 117 80 77 60 91 40 20 CgH7N 200 80 120 160 240 280 40 m/e expansion 13C NMR Spectrum (100.0 MHz, CDCI, solution) 130 129 ppm DEPT CH Cн,! сн! expansion 130 129 ppm solvent proton decoupled (ppm) 40 200 160 120 80 H NMR Spectrum (400 MHz. CDCI, solution) TMS 10 7...
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 4 Da- U6)+20 IR Spectrum Oquid fim) 1760 800 1200 2000 1600 3000 4000 v (cm) Mass Spectrum 100 43 No significant UV absorption above 220 nm M146 (1% ) 87 20 CH1004 280 40 80 120 m/e 160 200 240 13C NMR Spectrum (1000 MHz,...
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,...
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
Q-2……………..By
identifing the sprectra provide the information about the structure
, Please provide the structure of the compound. Justification (i.e.
shifts, multiplicities, peaks etc.) for your structure should be
given.
13C NMR Spectrum (100.0 MHz, CDCI, solution) DEPT CH CH. CH 3395 solvent proton decoupled IR Spectrum liquid film) 1093 LLLLLLLLLLLL 20016012080 400 g (ppm) 4000 3000 2000 V (cm 800 1600 ) 1200 expansion expansions TH NMR Spectrum (400 MHz, CDCI, solution) 91 107 Mass Spectrum expansion 5.14 5.10...
Identify the structure
Problem 120 mm IR Spectrum liquid film) 1734 4000 3000 2000 1200 800 1600 V (cm) 100 Mass Spectrum M 128 80 60 40F wodowe No significant UV absorption above 220 mm 83 100 113 C-H1202 40 80 120 200 240 280 160 m/e 13C NMR Spectrum (100.0 MHZ. CDCI, solution) DEPT Chat Chat Cht W proton decoupled 200 160 120 80 40 O 8 (ppm) H NMR Spectrum (400 MHE, COCI, solution) expansions oppm 1936 ppi...
The 1H NMR spectrum has peaks (marked with "x") for a minor
byproduct - what might that be?
7.4741 7.3572 7.3393 -5.4109 4.2023 4.1906 -4.1725 4.1608 -3.5350 -3.5065 -3.4775 Spectrometer: 400 MHZ Solvent: CDCI T 4.4 4.3 4.2 4.1 4.0 3.9 3.8 3.7 3.6 3.5 3.4 3.3 <3.2368 CDCI, x = peak from minor byproduct do 1.00-1 F-602 3.1444 Feer to 7.5 7.0 6.5 6.0 5.5 5.0 4.5 4.0 3.5 3.0 2.5 2.0 1.5 ppm 1.0 CHEM 08LB: 1H NMR...
Identify the peak in the 1H NMR spectrum corresponding to the
CH3 group, explain what coupling pattern it has and why it has that
pattern.
7.4741 7.3572 7.3393 -5.4109 4.2023 4.1906 -4.1725 4.1608 -3.5350 -3.5065 -3.4775 Spectrometer: 400 MHZ Solvent: CDCI T 4.4 4.3 4.2 4.1 4.0 3.9 3.8 3.7 3.6 3.5 3.4 3.3 <3.2368 CDCI, x = peak from minor byproduct do 1.00-1 F-602 3.1444 Feer to 7.5 7.0 6.5 6.0 5.5 5.0 4.5 4.0 3.5 3.0 2.5 2.0...