详细介绍
Supelco DEX环糊精衍生物手性气相柱
固定相介绍:
1. β-DEX 110:非键合相,SPB-35(35%苯基/65%甲基聚硅氧烷)中含20%全甲基化β-环糊精。应用:挥发性手性异构体(酮、酯、烷烃、烯烃、醇、酸、醚等)。温度范围:30℃*230℃。
2. α-DEX 120:非键合相,SPB-35(35%苯基/65%甲基聚硅氧烷)中含20%全甲基化α-环糊精。对小分子手性异构体的分离有*的选择性,也适用于分离同分异构体(如苯酚、二甲苯等)。温度范围:30℃*230℃。
3. β-DEX 120:非键合相,SPB-35(35%苯基/65%甲基聚硅氧烷)中含20%全甲基化β-环糊精。应用:挥发性手性异构体(酮、酯、烷烃、烯烃、醇、酸、醚等),与β-DEX 110有相同的手性选择性但洗脱顺序不同。温度范围:30℃*230℃。
4. γ-DEX 120:非键合相,SPB-35(35%苯基/65%甲基聚硅氧烷)中含20%全甲基化γ-环糊精。手性异构体的洗脱顺序常常跟α-DEX和β-DEX柱相反,可作为α-DEX和β-DEX的补充。温度范围:30℃*230℃。
5. α-DEX-225:非键合相,SPB-20(20%苯基/80%甲基聚硅氧烷)中含25% 2,3-二-O-乙酰基-6-O-TBDMS-α-环糊精。可用于分离挥发性手性分子,包括醇、醛、羧酸、环氧化合物、酯和卤化物。温度范围:30℃*230℃。
6. β-DEX 225:非键合相,SPB-20(20%苯基/80%甲基聚硅氧烷)中含25% 2,3-二-O-乙酰基-6-O-TBDMS-β-环糊精。对于小分子手性异构体分离有特异的选择性,适用于醇、醛(如二苯基丙醛)、酯(如甲基马来酸,甲基乳酸)、香料和酮等。温度范围:30℃*230℃。
7. γ-DEX 225:非键合相,SPB-20聚(20%苯基/80%甲基硅氧烷)中含25% 2,3-二-O-乙酰基-6-O-TBDMS-γ-环糊精。温度范围:30℃*230℃。
8. α-DEX 325:非键合相,SPB-20(20%苯基/80%甲基聚硅氧烷)中含25% 2,3-二-O-甲基-6-O-TBDMS-α-环糊精。温度范围:30℃*230℃。
9. β-DEX 325:非键合相;SPB-20聚(20%苯基/80%甲基硅氧烷)中含25% 2,3-二-O-甲基-6-O-TBDMS-β-环糊精。β-DEX 325与CHIRALDEX B-DM的化学性质和用途都相同,主要区别在于掺入聚硅氧烷载体中的二甲基衍生的环糊精浓度不同。温度范围:30℃*230℃。
10. γ-DEX 325:非键合相;SPB-20聚(20%苯基/80%甲基硅氧烷)中含25% 2,3-二-O-甲基-6-O-TBDMS-γ-环糊精。温度范围:30℃*230℃。
Astec CHIRALDEX环糊精衍生物手性气相柱
应用:分离多种未衍生化的非芳香化合物手性异构体,及一些芳香化合物的手性异构体。包括手性合成中大量的起始物和中间体,生化和制药中的中间体及代谢物,环境污染物和香料等。温度范围:AT固定性-5℃~180℃,其他固定性-5℃~2200℃
固定相:由复杂的环糊精衍生物组成特殊固定相,具有宽范围的手性选择性。
固定相 | 描述 | |
TA | Trifluoroacetyl | (2,6-di-O-pentyl-3-trifluoroacetyl) |
DM | Dimethyl | (2,3-di-O-methyl-6-t-butyl silyl) |
DP | Dipropionyl | (2,3-di-O-propionyl-6-t-butyl silyl) |
DA | Dialkyl | (2,6-di-O-pentyl-3-methoxy) |
PN | Propionyl | (2,6-di-O-pentyl-3-Propionyl) |
BP | Butyryl | (2,6-di-O-pentyl-3- Butyryl) |
PH | S-Hydroxypropyl | ((S)-2-hydroxy propyl methy ether) |
PM | Permethyl | (2,3,6-tri-O- methyl) |
Supelco DEX和Astec CHIRALDEX环糊精衍生物手性气相柱订货信息:
1. Supelco DEX环糊精衍生物手性气相柱 | |||
品名 | 货号 | 固定相 | 规格 |
β-DEX 110 | 24301 | 10%permethylated β-cyclodextrin in SPB-35 | 30m×0.25mm×0.25μm |
α-DEX 120 | 24310 | 20%permethylated α-cyclodextrin in SPB-35 | 30m×0.25mm×0.25μm |
β-DEX 120 | 24304 | 20%permethylated β-cyclodextrin in SPB-35 | 30m×0.25mm×0.25μm |
γ-DEX 120 | 24307 | 20%permethylated γ-cyclodextrin in SPB-35 | 30m×0.25mm×0.25μm |
α-DEX 225 | 24311 | 25% 2,3-di-Oacetyl-6-O-TBDMS-α-cyclodextrin in SPB-20 | 30m×0.25mm×0.25μm |
β-DEX 225 | 24348 | 25% 2,3-di-Oacetyl-6-O-TBDMS-β-cyclodextrin in SPB-20 | 30m×0.25mm×0.25μm |
γ-DEX 225 | 24312 | 25% 2,3-di-Oacetyl-6-O-TBDMS-γ-cyclodextrin in SPB-20 | 30m×0.25mm×0.25μm |
α-DEX 325 | 24303 | 25% 2,3-di-Menthyl-6-O-TBDMS-α-cyclodextrin in SPB-20 | 30m×0.25mm×0.25μm |
β-DEX 325 | 24308 | 25% 2,3-di-Menthyl-6-O-TBDMS-β-cyclodextrin in SPB-20 | 30m×0.25mm×0.25μm |
γ-DEX 325 | 24306 | 25% 2,3-di-Menthyl-6-O-TBDMS-γ-cyclodextrin in SPB-20 | 30m×0.25mm×0.25μm |
2. Astec CHIRALDEX环糊精衍生物手性气相柱 | |||
品名 | 货号 | 固定相 | 规格 |
Astec CHIRALDEX B-PH | 71023AST | non-bonded; (S)-2-hydroxy propyl methyl ether derivative of β-cyclodextrin phase | 30m×0.25mm×0.12μm |
Astec CHIRALDEX A-DA | 72003AST | non-bonded; 2,6-di-O-pentyl-3-methoxy derivative of α-cyclodextrin phase | 30m×0.25mm×0.12μm |
Astec CHIRALDEX B-DA | 72023AST | non-bonded; 2,6-di-O-pentyl-3-methoxy derivative of β-cyclodextrin phase | 30m×0.25mm×0.12μm |
Astec CHIRALDEX A-TA | 73003AST | non-bonded; 2,6-di-O-pentyl-3-trifluoroacetyl derivative of α-cyclodextrin phase | 30m×0.25mm×0.12μm |
Astec CHIRALDEX B-TA | 73023AST | non-bonded; 2,6-di-O-pentyl-3-trifluoroacetyl derivative of β-cyclodextrin phase | 30m×0.25mm×0.12μm |
Astec CHIRALDEX G-TA | 73033AST | non-bonded; 2,6-di-O-pentyl-3-trifluoroacetyl derivative of γ-cyclodextrin phase | 30m×0.25mm×0.12μm |
Astec CHIRALDEX G-PN | 74033AST | non-bonded; 2,6-di-O-pentyl-3-propionyl derivative of γ-cyclodextrin phase | 30m×0.25mm×0.12μm |
Astec CHIRALDEX G-BP | 75033AST | non-bonded; 2,6-di-O-pentyl-3-butyryl derivative of γ-cyclodextrin phase | 30m×0.25mm×0.12μm |
Astec CHIRALDEX B-DM | 77023AST | non-bonded; 2,3-di-O-methyl-6-t-butyl silyl derivative of β-cyclodextrin phase | 30m×0.25mm×0.12μm |
Astec CHIRALDEX G-DM | 77033AST | non-bonded; 2,3-di-O-methyl-6-t-butyl silyl derivative of γ-cyclodextrin phase | 30m×0.25mm×0.12μm |
Astec CHIRALDEX B-DP | 78023AST | non-bonded; 2,3-di-O-propionyl-6-t-butyl silyl derivative of β-cyclodextrin phase | 30m×0.25mm×0.12μm |
Astec CHIRALDEX G-DP | 78033AST | non-bonded; 2,3-di-O-propionyl-6-t-butyl silyl derivative of γ-cyclodextrin phase | 30m×0.25mm×0.12μm |
Astec CHIRALDEX B-PM | 76023AST | non-bonded; 2,3,6-tri-O-methyl derivative of β-cyclodextrin phase | 30m×0.25mm×0.12μm |
Astec CHIRALDEX B-PH | 71023AST | non-bonded; (S)-3-hydroxy propyl methyl ether derivative of β-cyclodextrin phase | 30m×0.25mm×0.12μm |