Phosphine-Catalyzed [3+2] Annulations with γ-Methyl Allenoates

被引:9
|
作者
Ma, Rong [1 ]
Song, Gege [1 ]
Xi, Qiuzhen [1 ]
Yang, Liu [1 ]
Li, Er-Qing [1 ]
Duan, Zheng [1 ]
机构
[1] Zhengzhou Univ, Coll Chem & Mol Engn, Int Phosphorus Lab, Int Joint Res Lab Funct Organophosphorus Mat Hena, Zhengzhou 450001, Henan, Peoples R China
基金
中国国家自然科学基金; 中国博士后科学基金;
关键词
phosphine-catalyzed; gamma-methyl allenoates; 3+2] annulation; ALLYLIC PHOSPHORUS YLIDES; SUBSTITUTED ALLENOATES; DOMINO REACTION; CYCLOADDITION; CONSTRUCTION; ALLENES; IMINES; DERIVATIVES; REACTIVITY; PROGRESS;
D O I
10.6023/cjoc201901040
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
The phosphine-catalyzed [3+2] annulation of gamma-methyl allenoates with 2-arylidene-1H-indene-1,3(2H)-diones is reported. In the reaction, a series of highly functionalized spiro[4.4] dec-6-ene skeletons were obtained in moderate to good yields and high diastereoselectivities. It should be noted that the perfect alpha-regioselective annulation adducts were obtained with simple PPh3 catalyst.
引用
收藏
页码:2196 / 2202
页数:7
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