The 'H NMR spectrum has four signals: a doublet at 81.2(3H), a quartet at 84.5(1H),a singlet at 83.6(3H) and a singlet at 12.5 ppm. The ¹3C NMR spectrum has foursignals at 8177, 70, 54 and 18 ppm. Suggest a structure for this compound.A C,H,N compound shows infrared absorption at 2250 cm. It's 'H NMR spectrumhas three signals: sharp singlets at 8 2.4 (3H), 3.8 (2H) and a broader one at 7.2 (4H)ppm. The ¹5C NMR spectrum has seven signals, five at fields lower than 8100 ppmand two at higher fields. Suggest a structure for this compound.

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he NMR singlet at 83. gnals at 8177

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Question

The 'H NMR spectrum has four signals: a doublet at 81.2(3H), a quartet at 84.5(1H),
a singlet at 83.6(3H) and a singlet at 12.5 ppm. The ¹3C NMR spectrum has four
signals at 8177, 70, 54 and 18 ppm. Suggest a structure for this compound.
A C,H,N compound shows infrared absorption at 2250 cm. It's 'H NMR spectrum
has three signals: sharp singlets at 8 2.4 (3H), 3.8 (2H) and a broader one at 7.2 (4H)
ppm. The ¹5C NMR spectrum has seven signals, five at fields lower than 8100 ppm
and two at higher fields. Suggest a structure for this compound.

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