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Open AccessArticle

Photochemically Immobilized 4-Methylbenzoyl Cellulose as a Powerful Chiral Stationary Phase for Enantioselective Chromatography

Novartis Pharma AG, Global Discovery Chemistry, 4002-Basel, Switzerland
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Author to whom correspondence should be addressed.
Present address: Chiral Technologies Europe, Parc d’Innovation, Bd. Gonthierd’Andernach, B.P. 80140, 67404 Illkirch, France
Academic Editor: Yoshio Okamoto
Molecules 2016, 21(12), 1740; https://doi.org/10.3390/molecules21121740
Received: 7 November 2016 / Revised: 5 December 2016 / Accepted: 9 December 2016 / Published: 17 December 2016
A process to immobilize para-methylbenzoyl cellulose (PMBC) on silica gel has been developed and applied to prepare chiral stationary phases (CSPs) for enantioselective chromatography. The immobilization was achieved by simple irradiation of the polysaccharide derivative with ultraviolet light after coating on a silica gel support. The influence of parameters such as irradiation time and solvent on immobilization effectiveness were investigated. The performance of the prepared immobilized phases were evaluated by injection of a series of racemic compounds onto the packed columns and determination of their chiral recognition ability. By contrast to the classical coated phase, the immobilized CSP can be used under various chromatographic conditions without limitation of organic solvent types as the mobile phase. This extended applicability permits to improve selectivity and to resolve chiral compounds which are not or only poorly soluble in the mobile phases which are compatible with the non-immobilized PMBC stationary phase. View Full-Text
Keywords: enantioselective chromatography; chiral stationary phase; immobilized methylbenzoyl cellulose; photochemistry enantioselective chromatography; chiral stationary phase; immobilized methylbenzoyl cellulose; photochemistry
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MDPI and ACS Style

Francotte, E.; Huynh, D.; Zhang, T. Photochemically Immobilized 4-Methylbenzoyl Cellulose as a Powerful Chiral Stationary Phase for Enantioselective Chromatography. Molecules 2016, 21, 1740.

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