Direct observation of intramolecular hydrogen bonding of a hydroxy

Eugene Kang , Sung-Kwan Kim , Tae-Jin Kim , Jae-Ho Chung , Jong Sok Hahn , Jaejung Ko , Myung-Ahn Ok , Minserk Cheong , Sang Ook Kang. European ...
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J. Am. Chem. SOC.1992, 114, 10869-10873 Table 11. ''C-lH and 13C-13C Coupling Constants (Hz) in 1 IJ( "C-I H) ' J ( I T - 1 'C) CI4-CI5 48.8 C14-H 14 153.0 173.3 c14c13 61.8 c l 5-H I 5 2J( 'C-'H) 3 4 '3C-"C) C14-H1 5 10.6 CI 4 x 1 2a 4.5 c l S-H I 4