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OALib Journal期刊
ISSN: 2333-9721
费用：99美元
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Merrifield树脂负载的L-脯氨酰L-苏氨酸二肽催化剂的合成及其对不对称Aldol反应的催化性能
DOI: 10.3724/SP.J.1105.2013.13079, PP. 1384-1389
Keywords: L-脯氨酸,L-苏氨酸,Merrifield树脂,Aldol反应,不对称催化
Abstract:
制备了Merrifield树脂负载的L-脯氨酰L-苏氨酸二肽催化剂.将制备的催化剂用于催化直接不对称Aldol反应,并探索了溶剂、表面活性剂、催化剂用量、底物等不同条件对其催化性能的影响.结果表明,该催化剂在Tween-20水溶胶束中有很高的催化活性和较好的立体选择性,Aldol反应中部分产率达到85%以上,e.e.值达到78%,且该催化剂具有一定的重复使用性能.
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