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J Comb Chem. 2006 Sep-Oct;8(5):705-14.

Development of a mass-directed preparative supercritical fluid chromatography purification system.

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  • 1ArQule, Inc., 19 Presidential Way, Woburn, Massachusetts 01801, USA.


In this paper, we report the development of a mass-directed supercritical fluid chromatography (SFC) purification system. We have addressed issues on software compatibility, the interface between the preparative SFC and the mass spectrometer, and fraction collection. Good peak shape and signal were achieved in the mass spectrometry (MS) trace, allowing accurate peak detection and reliable fraction collection. Simple modifications on a commercially available fraction collector enabled fractionation at atmospheric pressure with high recovery. The SFC/MS purification system has been used in support of high-throughput library purification and has been proven to be a valuable tool in complementing our reversed-phase high-performance liquid chromatograph (RP-HPLC/MS)-based technology platform.

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