Chemical and Pharmaceutical Bulletin p. 262 - 265 (1995)
Update date:2022-08-30
Topics:
Abe
Shoji
Kobayashi
Qing
Asai
Nishizawa
Racemic amino-alcohols such as pindolol, propranolol, alprenolol and bucumolol enantiomers exhibited different distribution behaviors in a two-phase system consisting of a chloroform solution of didodecyl L-tartrate and an aqueous solution of boric acid. It seemed that a borate complex of the 1,2-diol group of the tartrate and the amino-alcohol was formed in the system. In the case of pindolol, one enantiomer was preferentially extracted into the organic phase (x 2.20) at equilibrium.
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