organocatalyst;
N-terminal prolyl-dipeptide derivatives;
direct aldol reaction;
asymmetric catalysis;
D O I:
10.1016/j.tetlet.2006.08.084
中图分类号:
O62 [有机化学];
学科分类号:
070303 ;
081704 ;
摘要:
A series of new N-terminal prolyl-dipeptide derivatives have been synthesized and evaluated as organocatalysts for the direct asymmetric aldol reaction of acetone with electron-deficient aromatic aldehydes. At room temperature, the presence of 10 mol % of catalysts 2 and 5 efficiently catalyzes the direct asymmetric aldol reaction to give the aldol adducts with modest to excellent enantiomeric excesses (ee) values, which are up to 96%. (c) 2006 Elsevier Ltd. All rights reserved.
机构:
Henan Inst Engn, Dept Mat & Chem Engn, Zhengzhou 450007, Henan, Peoples R ChinaHenan Inst Engn, Dept Mat & Chem Engn, Zhengzhou 450007, Henan, Peoples R China
Liu, Yu-Xia
Ma, Zhi-Wei
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机构:
Henan Univ Anim Husb & Econ, Dept Fundamental Courses, Zhengzhou 450044, Henan, Peoples R ChinaHenan Inst Engn, Dept Mat & Chem Engn, Zhengzhou 450007, Henan, Peoples R China
Ma, Zhi-Wei
Li, Yan-Xun
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机构:
Henan Inst Engn, Dept Mat & Chem Engn, Zhengzhou 450007, Henan, Peoples R ChinaHenan Inst Engn, Dept Mat & Chem Engn, Zhengzhou 450007, Henan, Peoples R China
Li, Yan-Xun
Tao, Jing-Chao
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机构:
Zhengzhou Univ, Dept Chem, New Drug Res & Dev Ctr, Zhengzhou 450052, Henan, Peoples R ChinaHenan Inst Engn, Dept Mat & Chem Engn, Zhengzhou 450007, Henan, Peoples R China
机构:
Fourth Mil Med Univ, Sch Pharm, Dept Med Chem, Xian 710032, Peoples R ChinaFourth Mil Med Univ, Sch Pharm, Dept Med Chem, Xian 710032, Peoples R China
Hu, Xiao-Mu
Zhang, Dong-Xu
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Fourth Mil Med Univ, Sch Pharm, Dept Med Chem, Xian 710032, Peoples R ChinaFourth Mil Med Univ, Sch Pharm, Dept Med Chem, Xian 710032, Peoples R China
Zhang, Dong-Xu
Zhang, Sheng-Yong
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机构:
Fourth Mil Med Univ, Sch Pharm, Dept Med Chem, Xian 710032, Peoples R ChinaFourth Mil Med Univ, Sch Pharm, Dept Med Chem, Xian 710032, Peoples R China
Zhang, Sheng-Yong
Wang, Ping-An
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机构:
Fourth Mil Med Univ, Sch Pharm, Dept Med Chem, Xian 710032, Peoples R ChinaFourth Mil Med Univ, Sch Pharm, Dept Med Chem, Xian 710032, Peoples R China