Please mention the exact
question next time. The peak assignment has been already done. I
have checked assign again.
NHa PPM FIG. 2-Proton (300-mHr) NMR spectrum for aminorex with interpretation Page 1 of 1 Maton...
Нь He Ha -CEC Hd a) Given that the 'H NMR spectrum was acquired at 300 MHz, convert the ppm values for the alkenyl region to Hz and provide the cis proton coupling constant to 1 decimal place. b) Please provide the chemical shift values for Он i) Both alkyne carbons ii) The aromatic carbon bearing the substituent ili)H vi) H v) He iv) H H NMR spectrum 7.50 745 740 7.35 6.0 58 S.6 n (ppm) S4 52 75...
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...
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,...
Choose the molecule fit the 13C and H NMR from the list. Label
the hydrogen
Cr13 C Hy Br 143L LHY 11 oCH3 O H BY CH3 BY CH3 NHL By By 1130 CH3 BY C19) ECCCH2)3 CH3 OH CH3 2 ) CH BY CHy 27 30 OH BY NMR-022 CDCI3 QE-300 240 220 200 180 160 140 120 80 60 40 100 20 0 12 11 7 6 8 5 4 3 2 10 NMR-023 CDCI3 240 QE-300 60...
DESCRIBE PEAKS OF EACH NMR (Carbon 13 and PROTON 1H) and mass
spec on the one page
NMR Unknown_18 200 180 160 140 120 80 60 40 20 0 100 pom - 2 2 4 3 11 10 9 8 7 6 4 3 2 1 0 5 ppm - Relative Intensity 25 50 75 100 125 150 m/z
solve for the unknown molecular structure.
#2 IR Spectrum iquid m 1740 2000 v (em) 800 3000 1600 1200 4000 100 Mass Spectrum 80 No significant UV absorption above 220 nm 5e M116 (1%) 73 C&H1202 120 160 m/e 40 80 200 240 280 13C NMR Spectrum (20.0 MHz, CDa, solution) -CH C-H -CH TMS solvent proton decoupled 200 160 120 80 40 8 (ppm) H NMR Spectrum (100 MHr, CDC, soluon) 20 Hz aas pom 192 ppm 0.03 Pem...
Label NMR spectra
Corboxylic Acids (#1): "C NMR Spectrum in CDCI, ppm 20 40 60 76.745 80 E2 120 -128.455 129.328 TOZOFT TOREET 140 160 172.595 180 20 40 09 OB .................................. ......... 00T ...........021 OZT -76.745 -76.993 -77.249 -172.595 180 160 133.801 136.201 129.328 -128.455
H2 Ha a) Given that the 'H NMR spectrum was acquired at 300 MHz, convert the ppm values for the alkenyl region to Hz and provide the cis proton coupling constant to 1 decimal place. CEC Ha OH b) Please provide the chemical shift values for i) Both alkyne carbons i) The aromatic carbon bearing the substituent ii)H iv) H v) H vi) H H NMR spectrum as 25 1C NMR spectrum 9911 1C NMR spectrum 90 60 10 170...
Use the mass spectrum and either the NMR spectrum or the IR
spectrum to deduce the structure of the following compound
(c) C8HO3H NMR, 300 MHz, 6.1 ppm (singlet, 2H), 6.9 ppm (doublet, 1H), and 7.3 ppm (singlet, 1H), 7.4 ppm (doublet, 1H), 9.8 ppm (singlet, 1H); significant IR absorbances at 1687, 1602, 1449, 1264, 1038, 929, and 815 cm1. 100 149 (150) 80 60 40 121 63 20 65 91 0 15 20 25 30 35 40 45 50...
Problem 112: treat the peaks at 2.3 ppm as two singlets, as the 1BC NMR confirms. Problem 112 IR Spectrum 4000 3000 2000 1600 1200 V (cm) Mass Spectrum uv Spectrum 100 A,s. 265 nm (log10ε 2.6) λ max 271 nm 0og10ε 2.6 ) M* 150 solvent: methanol 40 80 120 160 200 240 280 m/e 13C NMR Spectrum (100.0 MHz, CDC, solution) 24 20 ppm 24 proton decoupled 200 160 120 80 40 δ (ppm) H NMR Spectrum 400...