What is the IR and HNMRAndCNMR and mass 1027.633264000100806040204013C NMR Spectrum(100 MHz, CDCI, solution)DEPT CH, CH, CHproton decoupled200¹H NMR Spectrum(400 MHz CDCI, solution)expansion7419% of base peak3000797.2 ppm88091IR Spectrum(liquid film)2000120M 10816071600V (cm¹)160m/emmm1200800Mass SpectrumC7H8O28062001205240solvent+804Problem 23UV Spectrummax 243 nm (log, 1.9)max 248 nm (log₁0 2.1)Amax 252 nm (log₁0 2.2)max 258 nm (log10 2.3)max 264 nm (log10€ 2.1)max 268 nm (log₁0€ 1.9)solvent ethanolexpansion129 128 127ppmexpansion129 128 127ppm40Exchanges withD₂032018 (ppm)TMS08 (ppm)

The different spectroscopic technique like IR, Mass, NMR help us to find the structure of the…

76 O 4000 100 80 3326 % of base peak 3000 79 60 40 20 40 13C NMR Spectrum (100 MHz, CDCI, solution) DEPT CH, CH, CH proton decoupled 200 ¹H NMR Spectrum (400 MHz CDCI, solution) expansion 74 9 72 ppm 8 80 91 IR Spectrum (liquid film) 120 2000 1600 V (cm¹) M 108 160 7 160 m/e HM 1200 800 Mass Spectrum C7H8O 280 6 200 120 5 240 solvent + 80 4 Problem 23 UV Spectrum Amax 243 nm (log₁0 1.9) max 248 nm (log, 2.1) max 252 nm (log10 2.2) max 258 nm (log₁0 2.3) max 264 nm (log,0 2.1) max 268 nm (log₁0€ 1.9) solvent ethanol expansion 129 128 127 ppm expansion 129 128 127 ppm 40 Exchanges with D₂0 1 3 2 0 8 (ppm) TMS 0 1

76 O 4000 100 80 3326 % of base peak 3000 79 60 40 20 40 13C NMR Spectrum (100 MHz, CDCI, solution) DEPT CH, CH, CH proton decoupled 200 ¹H NMR Spectrum (400 MHz CDCI, solution) expansion 74 9 72 ppm 8 80 91 IR Spectrum (liquid film) 120 2000 1600 V (cm¹) M 108 160 7 160 m/e HM 1200 800 Mass Spectrum C7H8O 280 6 200 120 5 240 solvent + 80 4 Problem 23 UV Spectrum Amax 243 nm (log₁0 1.9) max 248 nm (log, 2.1) max 252 nm (log10 2.2) max 258 nm (log₁0 2.3) max 264 nm (log,0 2.1) max 268 nm (log₁0€ 1.9) solvent ethanol expansion 129 128 127 ppm expansion 129 128 127 ppm 40 Exchanges with D₂0 1 3 2 0 8 (ppm) TMS 0 1

Organic Chemistry: A Guided Inquiry

2nd Edition

ISBN:9780618974122

Author:Andrei Straumanis

Publisher:Andrei Straumanis

ChapterL3: Carbon (13c) Nmr Spectroscopy

Section: Chapter Questions

Problem 9CTQ

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Similar questions

For each set of spectral data, propose an acceptable structure that is consistent with that data 1.. MS: M+ m/z= 84, IR: 2960, 2870, 1734 cm^-1, 13C NMR: 220.16 (C), 38.30 (CH2), 23.24 (CH2) ppm 2. MS:M+ m/z= 138, (M:M+2=1:1), IR: ~3010(broad), 1715 cm^-1, 13C NMR: 173.61(s), 25.21(t) ppm 3. MS:M+ m/z=88, IR: 2960, 2870, 1736cm^-1, 13C NMR: 170.95 (C), 60.34 (CH2), 20.98 (CH3), 14.23 (CH3) ppm 4. MS: M+ m/z=73, IR: 3410, 2960, 2870, 1668 cm^-1, 13C NMR: 171.27 (C), 26.26 (CH3), 22.87 (CH3) ppm
For each set of spectral data, propose an acceptable structure that is consistent with the data 1.. MS: M+ m/z=92 (M:M+2=3:1), IR: 2960, 2870 cm^-1, 13C NMR: 67.29 (C), 34.46 (CH3) ppm 2.. MS:M+ m/z=70, IR: 3070, 2960, 2870, 1666 cm^-1, 13C NMR: 138.92 (t), 114.26 (d), 35.96 (t), 22.17 (t), 13.59 (q) ppm 3.. MS: M+ m/z= 72, IR: 2960, 2870 cm^-1, 13C NMR: 31.68 (t), 29.80 (d), 22.20 (q), 11.69 (q) ppm
1. For each set of spectral data, propose an acceptable structure that is consistent with the data. a. MS: M+ m/z=71, IR: 3340, 2960, 2870 cm-1 , 13C NMR: 47.20 (CH2), 25.64 (CH2) ppm b. MS: M+ m/z= 102, IR: 2960, 2870 cm-1, 13C NMR: 72.73 (t), 23.20 (t), 10.80 (q) ppm c. MS: M+ m/z=74, IR: 3310, 2960, 2870 cm^-1, 13C NMR: 62.44 (down), 34.86 (down), 18.98 (down), 13.88 (up) ppm (DEPT-direction) d. MS: M+ m/z=92 (M:M+2=3:1), IR: 2960, 2870 cm^-1, 13C NMR: 67.29 (C), 34.46 (CH3) ppm e. MS:M+ m/z=70, IR: 3070, 2960, 2870, 1666 cm^-1, 13C NMR: 138.92 (t), 114.26 (d), 35.96 (t), 22.17 (t), 13.59 (q) ppm f. MS: M+ m/z= 72, IR: 2960, 2870 cm^-1, 13C NMR: 31.68 (t), 29.80 (d), 22.20 (q), 11.69 (q) ppm g. MS: M+ m/z= 84, IR: 2960, 2870, 1734 cm^-1, 13C NMR: 220.16 (C), 38.30 (CH2), 23.24 (CH2) ppm h. MS:M+ m/z= 138, (M:M+2=1:1), IR: ~3010(broad), 1715 cm^-1, 13C NMR: 173.61(s), 25.21(t) ppm i. MS:M+ m/z=88, IR: 2960, 2870, 1736cm^-1, 13C NMR: 170.95 (C), 60.34 (CH2), 20.98 (CH3), 14.23 (CH3)…
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