A method for easily determining coupling constant values: An addendum to "a practical guide to first-order multiplet analysis in 1H NMR spectroscopy"

Thomas R. Hoye; Hongyu Zhao

doi:10.1021/jo001139v

A method for easily determining coupling constant values: An addendum to "a practical guide to first-order multiplet analysis in ¹H NMR spectroscopy"

Thomas R. Hoye, Hongyu Zhao

Chemistry (Twin Cities)

Research output: Contribution to journal › Article › peer-review

40 Scopus citations

Abstract

A systematic procedure to decipher first-order ¹H NMR multiplets is described. This method is a very practical tool for extracting coupling constant values. It requires only that one (a) learn to identify each of the 2ⁿ (n = number of spin 1/2 nuclei to which the proton is coupled) "units of intensity" of a multiplet and (b) then apply a clearly delineated sequence of iterative steps that allows the J's to be assigned in order (from smallest to largest). The approach is even easier to use than one described previously (J. Org. Chem. 1994, 59, 4096-4103).

Original language	English (US)
Pages (from-to)	4014-4016
Number of pages	3
Journal	Journal of Organic Chemistry
Volume	67
Issue number	12
DOIs	https://doi.org/10.1021/jo001139v
State	Published - Jun 14 2002

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N2 - A systematic procedure to decipher first-order 1H NMR multiplets is described. This method is a very practical tool for extracting coupling constant values. It requires only that one (a) learn to identify each of the 2n (n = number of spin 1/2 nuclei to which the proton is coupled) "units of intensity" of a multiplet and (b) then apply a clearly delineated sequence of iterative steps that allows the J's to be assigned in order (from smallest to largest). The approach is even easier to use than one described previously (J. Org. Chem. 1994, 59, 4096-4103).

AB - A systematic procedure to decipher first-order 1H NMR multiplets is described. This method is a very practical tool for extracting coupling constant values. It requires only that one (a) learn to identify each of the 2n (n = number of spin 1/2 nuclei to which the proton is coupled) "units of intensity" of a multiplet and (b) then apply a clearly delineated sequence of iterative steps that allows the J's to be assigned in order (from smallest to largest). The approach is even easier to use than one described previously (J. Org. Chem. 1994, 59, 4096-4103).

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A method for easily determining coupling constant values: An addendum to "a practical guide to first-order multiplet analysis in ¹H NMR spectroscopy"

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