Myriam17181.4000300016001200800V (cm¹)100Mass Spectrum431198060JIKM+*4017620161C12 H16 O4080200280120 160m/e13C NMR Spectrum(50.0 MHz, CDCI, solution)expansion188IR Spectrum(liquid film)% of base peakDEPT CH₂ CH₂ CHproton decoupledL200¹H NMR Spectrum(200 MHz, CDCI, solution)J1910I82000160the176240120130130 125 ppm125 ppmL5expansion18014solventProblem 99UV Spectrummax 262 nm (log₁0 € 2.5)solvent methanol40tI312408 (ppm)TMS108 (ppm)11205

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IR Spectrum (liquid film) 4000 3000 100 80 60 40 20 13C NMR Spectrum (50.0 MHz, CDCI, solution) % of base peak 43 40 80 DEPT CH₂ CH₂ CH4 proton decoupled 200 ¹H NMR Spectrum (200 MHz, CDCI, solution) 10 9 1 8 2000 V (cm'¹) 119 Myamm 1718 1600 1200 800 Mass Spectrum C12 H16 O 280 expansion 160 161 120 160 m/e M+ 176 7 200 240 125 ppm 130 130 125 ppm 120 6 5 expansion 80 4 solvent Problem 99 UV Spectrum max 262 nm (log10 € 2.5) solvent: methanol 40 + 3 f 1 2 0 L 1 8 (ppm) TMS 1 1 0 8 (ppm) 205

IR Spectrum (liquid film) 4000 3000 100 80 60 40 20 13C NMR Spectrum (50.0 MHz, CDCI, solution) % of base peak 43 40 80 DEPT CH₂ CH₂ CH4 proton decoupled 200 ¹H NMR Spectrum (200 MHz, CDCI, solution) 10 9 1 8 2000 V (cm'¹) 119 Myamm 1718 1600 1200 800 Mass Spectrum C12 H16 O 280 expansion 160 161 120 160 m/e M+ 176 7 200 240 125 ppm 130 130 125 ppm 120 6 5 expansion 80 4 solvent Problem 99 UV Spectrum max 262 nm (log10 € 2.5) solvent: methanol 40 + 3 f 1 2 0 L 1 8 (ppm) TMS 1 1 0 8 (ppm) 205

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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опанит 1715 1600 IR Spectrum 100 4000 (liquid film) 43 80 75 60 M 40 20 % of base peak 10 3000 40 C 13C NMR Spectrum (20.0 MHz, CDCI solution) proton decoupled 9 80 200 ¹H NMR Spectrum (100 MHz, CDCI, solution) 101 8 2000 v (cm¹) M** 132 120 160 m/e 160 7 6 1200 120 Mass Spectrum 200 240 280 800 C-H 5 C6H1203 solvent L 80 4 -CH3 No significant UV absorption above 220 nm 3 H-C-H u -CH3 40 2 59 TMS 0 1 8 (ppm) TMS 0 8 (ppm)
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