405139-83-5Relevant academic research and scientific papers
Asymmetric cycloaddition of β,γ-unsaturated α-ketoesters with electron-rich alkenes catalyzed by a chiral Er(OTf)3/N,N'- dioxide complex: Highly enantioselective synthesis of 3,4-dihydro-2H-pyrans
Zhu, Yin,Xie, Mingsheng,Dong, Shunxi,Zhao, Xiaohu,Lin, Lili,Liu, Xiaohua,Feng, Xiaoming
, p. 8202 - 8208 (2011)
The asymmetric inverse-electron-demand hetero-Diels-Alder (HDA) reactions of β,γ-unsaturated α-ketoesters with electron-rich alkenes were investigated, with an N,N'-dioxide/erbium(III) complex employed as the catalyst. Quantitative conversion of the β,γ-u
