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Asked Nov 30, 2019
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CDCI3
240
QE-300
220
200
20
40
180
140
60
160
120
80
100
triplet
triplet
triplet
quartet
sextet
0
2
3
12
5
7
11
8
C6H1202
LDD
DEPT 135
90
13
D
2000
1500
3000
1000
500
4000
HAVENUMBERI -Il
Using the HNM and LR
above, create a
strocture for the
reasanable
Compound
12
10
50
TRANSMETTANCEL
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CDCI3 240 QE-300 220 200 20 40 180 140 60 160 120 80 100 triplet triplet triplet quartet sextet 0 2 3 12 5 7 11 8 C6H1202 LDD DEPT 135 90 13 D 2000 1500 3000 1000 500 4000 HAVENUMBERI -Il Using the HNM and LR above, create a strocture for the reasanable Compound 12 10 50 TRANSMETTANCEL

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Expert Answer

Step 1

The IR-stretching’s shown in the spectra gives the information,

1450 cm
1450 cm
3100-3000 cm
1750-1735cm
methylene C-H bending
methyl C-H bending
C-H stretching
Ester C-Ostretching
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1450 cm 1450 cm 3100-3000 cm 1750-1735cm methylene C-H bending methyl C-H bending C-H stretching Ester C-Ostretching

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Step 2

IR-spectra gives the information that the given compound is an Ester.

Step 3

H1-NMR:

Based on the given ...

Chemical shifts
Triplet -CH-CH
0.90
Triplet--CH-CH,-C(O)-O
2.32
sextet O-C(O)-CH2-CH2-CH
quartet-C(O)-O-CH,-CH
Triplet-CH,-CH
1.79
4.13
1.29
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Chemical shifts Triplet -CH-CH 0.90 Triplet--CH-CH,-C(O)-O 2.32 sextet O-C(O)-CH2-CH2-CH quartet-C(O)-O-CH,-CH Triplet-CH,-CH 1.79 4.13 1.29

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