Shown below is the structure of one of the methyl ester biodiesel products together with its 13c NMR spectrum. Several of the peaks in the NMR spectrum are indicated by letters, A - D and several of the protons in the structure are indicated by Roman numerals, I- IV. II III II II HC=CH HC=CH Hco n H3CO II CH2 CH2 CH3 IV B D A 180 160 140 120 100 PPM 40 20 80 60 Decide which of the carbons indicated I - IV correspond to which of the NMR signals, A - D.
Shown below is the structure of one of the methyl ester biodiesel products together with its 13c NMR spectrum. Several of the peaks in the NMR spectrum are indicated by letters, A - D and several of the protons in the structure are indicated by Roman numerals, I- IV. II III II II HC=CH HC=CH Hco n H3CO II CH2 CH2 CH3 IV B D A 180 160 140 120 100 PPM 40 20 80 60 Decide which of the carbons indicated I - IV correspond to which of the NMR signals, A - D.
Chapter24: Amines And Heterocycles
Section24.SE: Something Extra
Problem 65AP: Phenacetin, a substance formerly used in over-the-counter headache remedies, has the formula...
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