One-Pot Synthesis of Novel Chiral β-Amino Acid Derivatives by Enantioselective Mannich Reactions Catalyzed by Squaramide Cinchona Alkaloids

被引:18
|
作者
Zhang, Kankan [1 ]
Liang, Xueping [1 ]
He, Ming [1 ]
Wu, Jian [1 ]
Zhang, Yuping [1 ]
Xue, Wei [1 ]
Jin, Linhong [1 ]
Yang, Song [1 ]
Hu, Deyu [1 ]
机构
[1] Guizhou Univ, State Key Lab Breeding Base Green Pesticide & Agr, Key Lab Green Pesticide & Agr Bioengn, Minist Educ, Guiyang 550025, Peoples R China
来源
MOLECULES | 2013年 / 18卷 / 06期
基金
中国国家自然科学基金;
关键词
Asymmetric Mannich addition; beta-amino acid derivatives; 1,3,4-thiadiazole moiety; thiourea derived from squaramide cinchona alkaloid; STEREOSELECTIVE-SYNTHESIS; ASYMMETRIC-SYNTHESIS; PEPTIDES; ROUTE;
D O I
10.3390/molecules18066142
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
An efficient one-pot synthesis of novel beta-amino acid derivatives containing a thiadiazole moiety was developed using a chiral squaramide cinchona alkaloid as organocatalyst. The reactions afforded chiral beta-amino acid derivatives in moderate yields and with moderate to excellent enantioselectivities. The present study demonstrated for the first time the use of a Mannich reaction catalyzed by a chiral bifunctional organocatalyst for the one-pot synthesis of novel beta-amino acid derivatives bearing a 1,3,4-thiadiazole moiety on nitrogen.
引用
收藏
页码:6142 / 6152
页数:11
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