Kupce Eriks, Freeman Ray
Varian Limited, 6 Mead Road, Yarnton, Oxford, OX5 1QU, UK.
J Am Chem Soc. 2008 Aug 13;130(32):10788-92. doi: 10.1021/ja8036492. Epub 2008 Jul 22.
A procedure is described for determining the structure of a small molecule from a single NMR experiment. Several standard NMR sequences are combined so that the essential structural information is obtained in just one pass. Two-dimensional (13)C-(13)C correlations ("INADEQUATE"), single- and multiple-bond (13)C-(1)H correlations, and the conventional (13)C spectrum are recorded in parallel, making use of separate receiver channels for acquisition of (13)C and (1)H signals. The natural-abundance (13)C-(13)C correlation measurements employ a high-sensitivity cryogenically cooled probe, optimized for (13)C detection. An extension of this "all-in-one" sequence with three parallel receivers permits the corresponding natural-abundance (15)N spectra to be included.
本文描述了一种通过单次核磁共振实验确定小分子结构的方法。将几个标准的核磁共振序列组合起来，以便仅通过一次扫描就能获得基本的结构信息。二维（13）C-（13）C相关谱（“INADEQUATE”）、单键和多键（13）C-（1）H相关谱以及常规（13）C谱同时记录，利用单独的接收通道采集（13）C和（1）H信号。天然丰度（13）C-（13）C相关测量采用了针对（13）C检测优化的高灵敏度低温冷却探头。这种带有三个并行接收器的“一体化”序列的扩展允许包含相应的天然丰度（15）N谱。
