1H NMR Spectrum (200 MHz, CDCI solution) expansion 2.0 1.0 ppm 10 9 8 7 6 5 4 3 2 1 c) C6H8O2 IR Spectrum (CHCl 3 solution) 4000 1725 mr 3000 2000 1600 1200 800 V (cm³) 1H NMR Spectrum (400 MHz, CDCI, solution) T 10 9 8 7 6 5 4 3 2 1 TMS 0 8 (ppm) TMS 0 8 (ppm) 7. Using the IR and NMR data below, identify the structure of the compound. Briefly explain how you arrived at your answer. (15 pts) a) C4H4N2 IR Spectrum (KBr disk) 4000 2249 3000 2000 1H NMR Spectrum (400 MHz, CDCl3 solution) 10 b) C4H8O2 9 IR Spectrum (CCI4 solution) 4000 8 00 V (cm³) 1600 7 3000 2000 60 ww mm 1744 1200 800 5 4 3 2 1 1600 1200 800 V (cm³) TMS 0 $ (ppm)

1H NMR Spectrum (200 MHz, CDCI solution) expansion 2.0 1.0 ppm 10 9 8 7 6 5 4 3 2 1 c) C6H8O2 IR Spectrum (CHCl 3 solution) 4000 1725 mr 3000 2000 1600 1200 800 V (cm³) 1H NMR Spectrum (400 MHz, CDCI, solution) T 10 9 8 7 6 5 4 3 2 1 TMS 0 8 (ppm) TMS 0 8 (ppm) 7. Using the IR and NMR data below, identify the structure of the compound. Briefly explain how you arrived at your answer. (15 pts) a) C4H4N2 IR Spectrum (KBr disk) 4000 2249 3000 2000 1H NMR Spectrum (400 MHz, CDCl3 solution) 10 b) C4H8O2 9 IR Spectrum (CCI4 solution) 4000 8 00 V (cm³) 1600 7 3000 2000 60 ww mm 1744 1200 800 5 4 3 2 1 1600 1200 800 V (cm³) TMS 0 $ (ppm)

Organic Chemistry

8th Edition

ISBN:9781305580350

Author:William H. Brown, Brent L. Iverson, Eric Anslyn, Christopher S. Foote

Publisher:William H. Brown, Brent L. Iverson, Eric Anslyn, Christopher S. Foote

Chapter21: Benzene And The Concept Of Aromaticity

Section: Chapter Questions

Problem 21.30P

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