Efficient and fast sign-sensitive determination of heteronuclear coupling constants

“Efficient and fast sign-sensitive determination of heteronuclear coupling constants” by Josep Saurí, Pau Nolis and Teodor ParellaJournal of Magnetic Resonance 236 (2013) 66–69. DOI: http://dx.doi.org/10.1016/j.jmr.2013.08.013

Two complementary 1D NMR approaches for the fast and easy determination of the magnitude and the sign of heteronuclear J(XH) coupling constants are proposed:The Up&Down technique relies on the direct analysis of anti-phase multiplets whereas the Left&Right technique is based on the relative displacement between separate IPAP components.

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