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王程

铁虫 (初入文坛)

[求助] P(DNP)His 聚组氨酸脱保护 已有1人参与

合成的P(DNP)His,要脱除DNP对组氨酸上咪唑基团的保护,使用巯基乙醇,DMF作溶剂,发现一直脱除不干净
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木槿琉璃

金虫 (正式写手)

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反应完了做了核磁发现没脱完全的嘛?脱掉DNP基团以后的溶解性应该和原料的性质有很大差别~我做过一批,脱掉后DMSO都不溶解,做不了核磁~
2楼2015-11-20 10:29:03
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