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Controlling the Size, Shape and Stability of Supramolecular Polymers in Water
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Discrimination of metallosupramolecular architectures in solution by using diffusion ordered spectroscopy (DOSY)

Lionel Allouche1, Annie Marquis, Jean-Marie Lehn

  • 1Département RMN, Institut de Chimie, CNRS-Université Louis Pasteur, 1, rue Blaise Pascal, 67000 Strasbourg Cedex, France.

Chemistry (Weinheim an Der Bergstrasse, Germany)
|July 29, 2006
PubMed

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¹H NMR: Interpreting Distorted and Overlapping Signals01:02

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Spin systems where the difference in chemical shifts of the coupled nuclei is greater than ten times J are called first-order spin systems. These nuclei are weakly coupled, and their chemical shifts and coupling constant can generally be estimated from the well-separated signals in the spectrum.
As Δν decreases and the signals move closer, the doublets appear increasingly distorted. The intensities of the inner lines increase at the cost of those of the outer lines as the signals are slanted or...