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Determine the structure of the compound using the Mass Spec, IR, C NMR, H NMR, and Dept experiments .

Splitting pattern from left to right is as follows: triplet, 6, 5, 6, triplet Compound 3 MS: M* = 81 Relative Intensity 10 20 30 40 70 80 90 50 60 m/z Microsoft AutogLOD TRANSMETTANCE1% 4000 2000 2000 1500 1000 HAVENUHBERI-11H NMR + ) PPM |13C NMR 90 80 70 60 50 40 30 20 16 PPM DEPT-90 positive ------- PPM 84 69 31 22 18 DEPT-135 positive Negati

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Answer #1

Please see there is some printing mistake in DEPT-135 as there should be 1 quarternary carbon according to 1H and IR datas.

For 1H NMR I have marked H-atoms as a,b,c,d, e for better understanding.

HR peak oneund 3300 cn coresponds to CE CH Peak ahonnd Ptnetch (c-) conrespondla bo N 2900 cm cCse)-H Stretch Peak anownd N21

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