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J-Resolved HMBC, a new NMR technique for measuring heteronuclear long-range coupling constants

✍ Scribed by Kazuo Furihata; Haruo Seto

Book ID
104262016
Publisher
Elsevier Science
Year
1999
Tongue
French
Weight
256 KB
Volume
40
Category
Article
ISSN
0040-4039

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✦ Synopsis

A new NMR pulse sequence that incorporates J-scaling into HMBC enables efficient measurement of heteronuclear long-range coupling.

📜 SIMILAR VOLUMES

Selective J-resolved HMBC, an efficient
Selective J-resolved HMBC, an efficient method for measuring heteronuclear long-range coupling constants
✍ Kazuo Furihata; Mitsuru Tashiro; Haruo Seto 📂 Article 📅 2009 🏛 John Wiley and Sons 🌐 English ⚖ 274 KB

## Abstract An efficient pulse sequence for measuring long‐range CH coupling constants (__J__~CH~) named selective __J__‐resolved HMBC has been developed by replacing a ^1^H 180° pulse with a selective ^1^H 180° pulse and the HMBC pulse scheme with the constant time (CT) HMBC employed in the __J_

Determination of Heteronuclear Long-Rang
Determination of Heteronuclear Long-Range 1H–13C and 1H–15N Coupling Constants of Harman by Modified J-HMBC 2D NMR Techniques
✍ Hiroko Seki; Tatsuhiro Tokunaga; Hiroaki Utsumi; Kentaro Yamaguchi 📂 Article 📅 2000 🏛 Elsevier Science 🌐 French ⚖ 178 KB

AbstractÐSelective and double-selective J-HMBC 2D methods were developed and employed to determine the coupling constants of harman (1). The 1 H± 13 C and 1 H± 15 N long-range coupling constants could be accurately determined without interference from the 1 H± 1 H Jmodulation effect. We also applied