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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 13, Number 1
BKCSDE 13(1)
January 20, 1992

Title	The Application of NMR Techniques to the Structural Confirmation of O-Substituted 3,4-Dihydroxyphenylacetic Acid Derivatives
Author	Sueg-Geun Lee*, Joong-Kwon Choi, No-Sang Park, Mi-Sook Hong, Deok-Chan Ha
Keywords
Abstract	The structures of the compounds, 1, 2, 3, and 4, which were precursors of analgesics, were confirmed by modern NMR techniques. The complete 13C-NMR assignments of these systems were established by applying COLOC (COrrelated spectroscopy for LOng range Couplings), HETCOR (HETeronuclear CORrelated spectroscopy), RCT (Relay Coherence Transfer), and NOE difference spectroscopy. The limitation of COLOC approach which has been widely used recently is discussed.
Page	87 - 91
Full Text	PDF

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