(b) The proton decoupled" 1°C spectrum of compound A (C,H1202) contain three peaks-13, 40, 60, 130-138 (4 peaks), ppm. In proton spectrum the peaks at 13 ppm. 40 and 60 ppm split into quartret, triplet and, triplet respectively. Suggest a`structure. the compound A. Explain your deduction. If you take a DEPT-135 spectrum, then what will be the nature of these peaks? What 1°C proton coupling nonstant J would you expect for the 172 coupled 1C for

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(b) The proton decoupled
compound A (COH1202) còntain three
peaks-13, 40, 60, 130-138 (4 peaks),
13 C spectrum of
172
n proton coupled C
ppm. In
spectrum the peaks at 13 ppm. 40 and
60 ppm split into quartret, triplet and
triplet respectively. Suggest a`structure.
for the compound A. Explain your
deduction. If you take a DEPT-135
spectrum, then what will be the nature of
these peaks? What 13C proton coupling
constant (' J) would you expect for the
peak at 13 and 40 ppm?
Transcribed Image Text:(b) The proton decoupled compound A (COH1202) còntain three peaks-13, 40, 60, 130-138 (4 peaks), 13 C spectrum of 172 n proton coupled C ppm. In spectrum the peaks at 13 ppm. 40 and 60 ppm split into quartret, triplet and triplet respectively. Suggest a`structure. for the compound A. Explain your deduction. If you take a DEPT-135 spectrum, then what will be the nature of these peaks? What 13C proton coupling constant (' J) would you expect for the peak at 13 and 40 ppm?
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