Resolution of racemic mixtures using polymers containing chiral

Details Resolution of racemic mixtures using polymers containing chiral Resolution of racemic mixtures using polymers containing chiral

1996-11-26

1998-04-14

Richter, Johann

Organic compounds -- part of the class 532-570 series

Organic compounds

Carboxylic acids and salts thereof

562402, 562494, 562496, C07B 5700, C07C 5142, C07C 53134, C07C 5730

Patent

active

057393834

ABSTRACT:
Described herein is a novel process to resolve a racemic compound into its optically active isomers without need for chemical transformation such as salt formation. The process advantageously utilizes polymers containing chiral moieties in their repeat units as well as exhibiting critical solution temperature behavior in a suitable solvent. An embodiment describes the resolution of tryptophan.

REFERENCES:
"Supramolecular Polymers for Optical Resolution," Naoya Ogata, Proc. SPIE-INT. Soc. Opt. Eng. (Jun. 3-5, 1996), 2779 (Third International Conference on Intelligent Materials) pp. 393-400.
Chemical Abstracts, vol. 118:39405 (1993).
Chemical Abstracts, vol. 112:111197 (1990).

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