Given the molecular formula: C9H8O4, answer the following questions
Molecular formula C9H8O4
1. Degree of unsaturation : replace O with an CH2, we get, C13H16. This is short of 12 H's from its saturated structure. The molecule thus has 6 degrees of unsaturation.
2. IR interpretation
peak around 1500-1600 cm-1 are due to aromatic C-C stretch
peak around 1760 cm-1 is due to C=O stretch
peaks around 2800 cm-1 are due to aliphatic C-H stretch
3. 1H-NMR interpretation
2.4 ppm (singet) for 3H due to CH3 next to an C=O
peaks between 7-8.4 pm are due to aromatic C-H protons
4. A predicted structure would be thus,
Given the molecular formula: C9H8O4, answer the following questions Given the molecular formula C_9H_8O_4 and -NMR...
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