Example Analysis: 0 PP 10 Chemical shift (8) 2004 Thomson-BrocksCole a. Calculat

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Example Analysis: 0 PP 10 Chemical shift (8) 2004 Thomson-BrocksCole a. Calculate: elements/deg unsatn 4 b. dentiy the IR absorptions (after providing the structure). 818, 18-10=8,812 = 4 expect stretching absorption at 1600 cm for the conjugated benzene C-Cs, a stretching absorption at 3300 cm1 for the-OH function a stretching absorption at 3050 cm-1 for C=C-H stretch, and -a stretching absorption at 2950 cm1 for the C-H c. Analyze NMR spectrum. Peak 1: Ös 7.2 aryl? Peak 2 & 45 deshielded area-1.75 2 Hs Peak 3 2.5 OH? Peak 4:a 2.3 deshielded area-25 2HS 4 Hs 1 H 10Hs multiplet, may be a doublet of doublets-each-sees 1 singlet-sees 0.-may be doublet (note top), Sees- "funny looking-peak (squashed, fireplug) singlet,"seeso. area-3 area-1 d. Provide an appropriate structure. e Label each proton-NMR peak, ie, a, b, c, d, etc, appropriately. t Identify the number of carbon-13 peaks: 6 peaks expected in the 13C NMR spectrum Hd Hd Ha Ha-C He Hd

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Example Analysis: 0 PP 10 Chemical shift (8) 2004 Thomson-BrocksCole a. Calculat

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