Acid-mediated [3+3] cycloaddition of α-EWG-α-formyl ketene-S,S-acetals and α-carbamoyl ketene-S,S-acetals: a new approach to 2-pyridone derivatives

Acid-mediated [3+3] cycloaddition of α-EWG-α-formyl ketene-S,S-acetals and α-carbamoyl ketene-S,S-acetals: a new approach to 2-pyridone derivatives

Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Tetrahedron Letters - Volume 56, Issue 46, 18 November 2015, Pages 6444-6447

Xiao-Dan Han, Hui-Bin Wang, Ju-Wu Hu, Wei Xiong, Jian-Ping Fu, Ren-Guo Zhu, Zhao-Yang Deng, Guo-Liang Xu, Xiong-Hui Li,