Chemistry Letters
Online ISSN : 1348-0715
Print ISSN : 0366-7022
ISSN-L : 0366-7022
Highly Efficient Chromatographic Optical Resolution of fac-Tris(β-alaninato)cobalt(III) with an Optically Active ob3 Isomer of Tris(trans-1,2-diaminocyclohexane)cobalt(III) Cation Adsorbed on a Cation-Exchange Resin
Tsutomu MizutaAtsushi UchiyamaKazumasa UedaKatsuhiko MiyoshiHayami Yoneda
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1994 Volume 23 Issue 1 Pages 101-104

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Abstract

An extraordinarily high separation factor, amounting approximately to 7, was attained in the title system, where only the Λ enantiomer is strongly associated with the Δ-ob3 isomer on the resin. The efficiency is explained in terms of the linearity of the triple hydrogen-bonds formed between the three lone-pairs of fac-[Co(β-ala)3] and the three N-H groups of the Δ-ob3-[Co{(+)-chxn}3]3+.

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© 1994 The Chemical Society of Japan
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