For arginine,the yield was improved to nearly 80% by using weakly polar solvent such as DCM and simultaneously increasing the reaction time to 20 h in the method of acyl chloride.
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- 在酰氯法中;对于精氨酸;选择弱极法溶剂如DCM;延长反应时间至20 h;连接效率接近80%25.