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Establishing long‐range connectivities in polynuclear aromatics through the use of two‐dimensional MLEV‐17‐based isotropic mixing
Author(s) -
Johnston Milton D.,
Martin Gary E.
Publication year - 1989
Publication title -
magnetic resonance in chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.483
H-Index - 72
eISSN - 1097-458X
pISSN - 0749-1581
DOI - 10.1002/mrc.1260270604
Subject(s) - chemistry , range (aeronautics) , isotropy , mixing (physics) , coupling (piping) , thiophene , computational chemistry , stereochemistry , organic chemistry , optics , physics , mechanical engineering , materials science , quantum mechanics , composite material , engineering
A method for observing long range 1 H; 1 H coupling pathways of polynuclear aromatics using the HOHAHA (TOCSY) experiment is described. The method affords a potentially superior alternative to the more established long range optimized COSY (LRCOSY) experiment. Hexahelicene derived phenanthro[3′,4′:3,4]phenanthro[2,1‐ b ]thiophene is employed as a model compound to demonstrate the method.
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