Abstract − Analytical Sciences, 15(11), 1157 (1999).
PFG J-HMBC 2D NMR Spectroscopic Observation of the Natural Abundance 1H-15N Long-Range Coupling
Tatsuhiro TOKUNAGA*, Hiroko SEKI*, Hiroaki UTSUMI**, Masamichi NAKAKOSHI*** and Kentaro YAMAGUCHI* +
*Chemical Analysis Center, Chiba University, 1-33 Yayoicho, Inage, Chiba 263-8522, Japan
**NM Application Lab., JEOL Ltd., 3-1-2 Musashino, Akishima, Tokyo 196-8558, Japan
***Research Institute of Life Science, Snow Brand Milk Products Co. Ltd., 519 Shimo-ishibashi, Ishibashi-machi, Shimotsuga, Tochigi 329-0512, Japan
**NM Application Lab., JEOL Ltd., 3-1-2 Musashino, Akishima, Tokyo 196-8558, Japan
***Research Institute of Life Science, Snow Brand Milk Products Co. Ltd., 519 Shimo-ishibashi, Ishibashi-machi, Shimotsuga, Tochigi 329-0512, Japan
Keywords 1H-15N long-range coupling constant, HMBC, 2D NMR, PFG
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