GAMMA-DEX 225, 30m x 0.25mmID x 0.25μm df

The chiral stationary phase in γ-DEX 225 columns contains 2,3-di-O-acetyl-6-0-TBDMS-γ-cyclodextrin embedded in an intermediate polarity phase.

Application: γ-DEX™ 225 GC column was used during asymmetric highly enantioselective copper catalytic conjugate addition of Et2Zn to enones, using monodentate chiral spiro phosphoramidite ligands.

Temp. Limits:
30 °C to 230 °C