Stereoselective Synthesis of Highly Functionalized α-Diazo-β-ketoalkanoates via Catalytic One-Pot Mukaiyama-Aldol Reactions

被引:19
作者
Zhou, Lei [1 ]
Doyle, Michael P. [1 ]
机构
[1] Univ Maryland, Dept Chem & Biochem, College Pk, MD 20742 USA
基金
美国国家卫生研究院; 美国国家科学基金会;
关键词
CARBONYL-COMPOUNDS; REDUCTIVE ALDOL; HYDROXY ESTERS; ALDEHYDES; KETONES; DIAZOACETOACETATES; REARRANGEMENT; DERIVATIVES; LIGAND; ACYLDIAZOMETHANES;
D O I
10.1021/ol902872y
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
Methyl diazoacetoacetate undergoes zinc triflate catalyzed condensation with a broad selection of aldehydes to produce delta-siloxy-alpha-diazo-beta-ketoalkanoates in good yield, and delta-hydroxy-alpha-diazo-beta-ketoalkanoates are formed with high diastereoselectivity in reactions with alpha-diazo-beta-ketopentanoate promoted by dibutylboron triflate.
引用
收藏
页码:796 / 799
页数:4
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