free carboxyl group 中文意思是什麼
free carboxyl group
解釋
自由羧基-
All of 19 amino acid thiohydantoins were synthesized by using free amino acids as starting materials, acetic anhydride as the carboxyl group activating reagent and tms - itc as the derivatizing reagent. the proiine thiohydantoin was prepared by using ammonium thiocyanate ( n114scn ) as the derivatizing reagent
本文以l -氨基酸為原料,採用乙酸酐作活化試劑, tms - itc作為偶聯試劑,制備了19種th - aa ,另外th - pro的制備是用nh _ 4scn作為偶聯試劑獲得成功的。
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