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Organic Chemistry 2

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Moderate

Ketone Spectroscopy

ORGO2-B@GT1L

Which compound is the most consistent with ALL of the spectral data listed?

Formula: $C_8H_8OS$

Infrared: Prominent absorptions at 3089, 2972, 2861, 1717, 1443 $cm^{-1}$ (the peak at 1717 is by far the largest peak in the spectrum)

Proton NMR: 7.40 (1H, doublet), 6.96 (1H, doublet), 3.98 (2H, singlet), 3.24 (2H, triplet), 2.69 (2H, triplet) ppm.

Carbon-13 NMR: 209, 137, 134, 124, 123, 41, 40, 19 ppm.

A

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B

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C

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D

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E

Created for Albert.io. Copyright 2016. All rights reserved.