ProblemSet12

ProblemSet12 - CHEM 3570, FALL 2009 Problem Set 12 Who Am...

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CHEM 3570, FALL 2009 Problem Set 12 Who Am I? Determine the structure based on the data provided Answers to these questions is on the last page Problem 1. Molecular Weight = 112 + NMR-data (see spectra below) 0 1 2 3 4 PPM Proton- NMR 0 20 40 60 80 100 120 140 160 180 200 220 PPM Carbon-NMR
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Problem 2. Molecular weight = 92. Integrals for proton NMR, ratio of peaks is 1:3. NMR-data (see spectra below). IR stretches at 2100 and 3300 cm -1 . 0 10 20 30 40 50 60 70 80 90 PPM
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Problem 3. Molecular Formula = C 6 H 10 . 1 H-NMR = 1) triplet at 5.3, 2) quartet at 5.1, 3) multiplet at 2.0, 4) doublet at 1.9 and 5) triplet at 1.0 ppm. Problem 4. Molecular Formula = C 5 H 6 O 3 . Ratio of peaks is 2:1. 0 1 2 PPM 0 20 40 60 80 100 120 140 160 180 PPM
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Problem 5: Molecular formula = C 8 H 14 O. 1 H-NMR and 13 C-NMR data is provided. 1 H-NMR = 1) multiplet at 6.8, 2) doublet at 6.2, 3) doublet at 2.1, and 4) singlet at 1.2 ppm. 13
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This note was uploaded on 02/16/2010 for the course CHEM 2183 taught by Professor Jonnjardarson during the Fall '09 term at Cornell.

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ProblemSet12 - CHEM 3570, FALL 2009 Problem Set 12 Who Am...

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