Note the major differences between the IR of the starting material(vanillin acetate) and the product 4-acetoxy-3-methoxybenzl alcohol. (a reduction rxn using NaBH4 was performed)

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Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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Chapter1: Chemical Foundations
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Note the major differences between the IR of the starting material(vanillin acetate) and the product 4-acetoxy-3-methoxybenzl alcohol. (a reduction rxn using NaBH4 was performed)

3017 cm-1
C-H stretch
(aromatic)
2754 cm-1
H-C=O stretch
(aldehyde)
2 13
2849 cm-1
76
1748 cm-1
C=O stretch
(ester)
70
H.
1686 cm-1 1595 cm-1
ÓCH3
C=O stretch
(aldehyde)
C=C stretch
(aromatic)
Transcribed Image Text:3017 cm-1 C-H stretch (aromatic) 2754 cm-1 H-C=O stretch (aldehyde) 2 13 2849 cm-1 76 1748 cm-1 C=O stretch (ester) 70 H. 1686 cm-1 1595 cm-1 ÓCH3 C=O stretch (aldehyde) C=C stretch (aromatic)
Product IR:
Transcribed Image Text:Product IR:
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