Except in the most hindered of cases, N,N'-diaryl N,N'-dimethyl ureas adopt a conformation with the two aryl rings disposed cis to one another. Variable temperature NMR studies reveal the rate at which the Ar-N bonds rotate as well as the
Derivatized cyclodextrins for normal-phase liquid chromatographic separation of enantiomers.
Armstrong DW, et al.
Analytical Chemistry, 62(15), 1610-1615 (1990)
Selective substitution of an imido ligand in alkyl-and aryl-imido rhenium (VII) complexes; crystal structures of (2, 6-dimethylphenyl) ammonium trichlorobis (2, 6-dimethylphenyl-imido) methylrhenate (VII) and bis (2, 6-dimethylphenylimido) methylbis (neopentyl) rhenium (VII).
Cook MR, et al.
J. Chem. Soc., Dalton Trans., 797-804 (1991)
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