material
fused silica
description
GC capillary column
parameter
30-230 °C temperature
Beta value
250
df
0.25 μm
technique(s)
gas chromatography (GC): suitable
L × I.D.
30 m × 0.25 mm
matrix active group
non-bonded; 25% 2,3-di-O-acetyl-6-O-TBDMS-γ-cyclodextrin in SPB-20 poly(20% phenyl/80% dimethylsiloxane) phase
application(s)
agriculture
chemicals and industrial polymers
cleaning products
clinical
cosmetics
environmental
flavors and fragrances
food and beverages
forensics and toxicology
life science and biopharma
personal care
pharmaceutical (small molecule)
column type
capillary chiral
separation technique
chiral
storage temp.
2-8°C
General description
γ-DEX 225 柱中的手性固定相包含嵌入中极性相的 2,3-二-O-乙酰基-6-0-TBDMS-γ-环糊精。
毛细管 GC 柱也称为开口管柱。载气流过中心孔，并且在整个柱长内不受限制。
Application
γ-DEX™ 225 GC柱被用于使用单齿手性螺亚磷酰胺配体，在在不对称高对映选择性铜催化缀合物中将 Et2Zn 加成到烯酮上。
Features and Benefits
温度限制：
- 30°C 至 230°C
Other Notes
我们提供各种色谱配件，包括 分析注射器
Legal Information
DEX is a trademark of Sigma-Aldrich Co. LLC
Highly enantioselective copper-catalyzed conjugate addition of diethylzinc to enones using chiral spiro phosphoramidites as ligands.
Zhou H
The Journal of Organic Chemistry, 68 (4), 1582-1584 (2003)
Scott RPW.
Introduction to Analytical Gas Chromatography, 101-102 (1997)
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