Deduce the structure of an unknown compound from the spectroscopic and other data. Molecular formula = Draw the unknown compound. 'H NMR Select Draw Rings More 2 H 2 H C Br 7.6 7.2 7.1 (CH3)4Si 8.0 7.5 7.0 6.5 6.0 5.5 5.0 4.5 4.0 3.5 3.0 2.5 2.0 1.5 1.0 0.5 0.0 300-MHz 'H NMR spectrum ppm (d) 13C NMR: 3 peaks -1 IR: 745 (s, broad) cm UV: Amax(e) = 263(150), 270 (250), and 278 (180) nm %3D
Deduce the structure of an unknown compound from the spectroscopic and other data. Molecular formula = Draw the unknown compound. 'H NMR Select Draw Rings More 2 H 2 H C Br 7.6 7.2 7.1 (CH3)4Si 8.0 7.5 7.0 6.5 6.0 5.5 5.0 4.5 4.0 3.5 3.0 2.5 2.0 1.5 1.0 0.5 0.0 300-MHz 'H NMR spectrum ppm (d) 13C NMR: 3 peaks -1 IR: 745 (s, broad) cm UV: Amax(e) = 263(150), 270 (250), and 278 (180) nm %3D
Chapter15: Benzene And Aromaticity
Section15.SE: Something Extra
Problem 13VC: Give IUPAC names for the following substances (red = O, blue = N):
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Transcribed Image Text:Deduce the structure of an unknown compound from the spectroscopic and other data.
Molecular formula =
Draw the unknown compound.
1Η ΝMR
Select
Draw
Rings
More
2 H
2 H
C
Br
7.6
7.2
7.1
(CH3),Si
8.0 7.5 7.0 6.5 6.0 5.5 5.0 4.5 4.0 3.5 3.0 2.5 2.0 1.5 1.0 0.5 0.0
300-MHz 'H NMR spectrum ppm (8)
13C NMR: 3 peaks
IR: 745 (s, broad) cm
UV: Amax(e) = 263(150), 270 (250), and 278 (180) nm
%3D
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