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Solving an NMR unknown

Solving an NMR unknown. With a given formula and NMR spectra, you can determine a molecule’s structure by a 4-step process Calculate the degree of unsaturation or hydrogen deficiency index (HDI). Consider the number of C- 13 NMR signals to look for symmetry in the molecule

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Solving an NMR unknown

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  1. Solving an NMR unknown • With a given formula and NMR spectra, you can determine a molecule’s structure by a 4-step process • Calculate the degree of unsaturation or hydrogen deficiency index (HDI). • Consider the number of C- 13 NMR signals to look for symmetry in the molecule • Analyze the proton NMR shifts, integrations and multiplicities draw out the molecular fragments that match. • Assemble the fragments into a complete structure like puzzle pieces. Klein, Organic Chemistry 2e

  2. C11H14O

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