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5.E: Structure Determination (Exercises)

Organic Chemistry with a Biological Emphasis · LibreTexts

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    From LibreTexts, under CC BY-NC-SA 4.0, as the source states it; its equations are written in TeX, which the PDF shows typeset. This page at LibreTexts.

    P5.1:

    1. For each molecule below, draw in all hydrogen atoms, and label them \(H_a\), \(H_b\), etc., with chemically equivalent hydrogens having the same label.
    2. Predict splitting patterns for all proton signals.

    Illustration

    P5.2: For each of the 20 common amino acids, predict the number of signals in the proton-decoupled \(^{13}C-NMR\) spectrum.

    P5.3: Match spectra below to their corresponding structures A-F. Make complete peak assignments for all structures.

    (in all \(^1H-NMR\) data tables in the following problems, peak relative integration values are listed in which the smallest area peak is equal to 1)

    This page titled 5.E: Structure Determination (Exercises) was last modified on Wed, 20 Jul 2022 14:01:20 GMT and is shared under a CC BY-NC-SA 4.0 license and was authored, remixed, and/or curated by Tim Soderberg via source content that was edited to the style and standards of the LibreTexts platform.