Determination of heteronuclear long-range H-1-C-13 and H-1-N-15 coupling constants of harman by modified J-HMBC 2D NMR techniques

Authors
Seki, H Tokunaga, T Utsumi, H Yamaguchi, K
Citation
H. Seki et al., Determination of heteronuclear long-range H-1-C-13 and H-1-N-15 coupling constants of harman by modified J-HMBC 2D NMR techniques, TETRAHEDRON, 56(19), 2000, pp. 2935-2939
Citations number
21
Categorie Soggetti
Chemistry & Analysis","Organic Chemistry/Polymer Science
Journal title
TETRAHEDRON
ISSN journal
00404020 → ACNP
Volume
56
Issue
19
Year of publication
2000
Pages
2935 - 2939
Database
ISI
SICI code
0040-4020(20000505)56:19<2935:DOHLHA>2.0.ZU;2-F
Abstract
Selective and double-selective J-HMBC 2D methods were developed and employe d to determine the coupling constants of harman (1). The H-1-C-13 and H-1-N -15 long-range coupling constants could be accurately determined without in terference from the H-1-H-1 J-modulation effect. We also applied selective J-HMBC 2D to 2-fluoropyridine (2) to confirm effectiveness. (C) 2000 Elsevi er Science Ltd. All rights reserved.