Method for preparing solid-phase synthesized carrier
A solid-phase synthesis and carrier technology, which is applied in peptide preparation methods, chemical instruments and methods, organic chemistry, etc., can solve problems such as chemical side reactions and affecting resin performance, and achieve simple steps, safe materials, and clear structures. Effect
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[0019] Example 1
[0020] Take 1g of chloroacetylated cross-linked polystyrene (cross-linking degree 1%, particle size 100um, loading capacity of 2.17mmol / g) in a round bottom flask, add 10mL N,N-dimethylformamide to swell, Then add 1.6145g of p-hydroxybenzyl alcohol, 0.6900g of sodium carbonate, and 0.1049g of tetrabutylammonium bromide, stir to make it evenly dispersed, and react at 50°C for 12 hours to obtain a solid-phase synthesis carrier with a loading of 1.07mmol / g. , The conversion rate reached 49.3%.
Example Embodiment
[0021] Example 2
[0022] Take 1g of bromoacetylated crosslinked polystyrene (crosslinking degree 2%, particle size 150um, loading 1.95mmol / g) in a round low flask, add 10mL N,N-dimethylformamide to swell, Then add 1.6145g of p-hydroxybenzyl alcohol, 0.6900g of sodium carbonate and 0.1049g of tetrabutylammonium bromide, stir to make it evenly dispersed, and react at 80℃ for 12h to obtain a solid-phase synthesis carrier with a loading of 1.06mmol / g , The conversion rate reached 54.3%.
Example Embodiment
[0023] Example 3
[0024] Take 1g of chloroacetylated crosslinked polystyrene (crosslinking degree 1%, particle size 200um, loading capacity 1.95mmol / g) in a round bottom flask, add 10mL N, N-dimethylformamide to swell, and then Add 1.6145g of p-hydroxybenzyl alcohol, 0.7364g of sodium bicarbonate, and 0.1049g of tetrabutylammonium bromide, stir to make it evenly dispersed, and react at 80℃ for 12h to obtain a solid-phase synthesis carrier with a loading of 1.19mmol / g , The conversion rate reached 61.0%.
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