Accordion‐optimized DEPT experiments

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Abstract
In this contribution, a pulse sequence is described for recording accordion‐optimized DEPT experiments. The proposed ACCORDEPT experiment detects a wide range of one‐bond coupling constants using accordion optimization. As a proof of concept, this strategy has been applied to a mesogen containing a large range of one‐bond 1JCH coupling constants associated with the various structural elements. The ACCORDEPT experiment afforded significant enhancements for the resonances with the larger 1JCH couplings, similar SNR for aliphatic resonances, but reduced SNR for aliphatic resonances as compared with the standard DEPT experiment. In addition, the ACCORDEPT is straightforward to implement, does not require any supplementary calibration procedures and can be used under automated conditions without difficulty by inexperienced users. Copyright © 2010 John Wiley & Sons, Ltd.
Funding Information
  • Swiss National Science Foundation (200020-129501)

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