A practical Ti-salen catalyst based on dimeric salen ligand for asymmetric addition of trimethylsilyl cyanide to aldehydes
A practical Ti-salen catalyst based on dimeric salen ligand for asymmetric addition of trimethylsilyl cyanide to aldehydes
复制标题
基于二聚salen配体的实用Ti-salen催化剂,用于三甲基氰硅烷与醛的不对称加成
DOI:
10.1016/j.catcom.2011.04.022
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发表时间:
2011-07
影响因子:
3.7
通讯作者:
Sun, Wei
中科院分区:
文献类型:
--
作者:
Lv, Chengwei;Xu, Daqian;Wang, Shoufeng;Miao, Cheng-Xia;Xia, Chungu;Sun, Wei
A dimeric salen ligand derived from L-tartaric acid was synthesized through linking two salen units with 1,6-dibromohexane. The corresponding Ti complex was proved to be an efficient catalyst for asymmetric addition of trimethylsilyl cyanide to aldehydes, providing the corresponding optically active trimethylsilyl ether of cyanohydrins with moderate to good enantiomeric excesses and excellent yields under relatively low catalyst loading condition.
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