Synthesis of multi-substituted cyclobutenes: Cyclic strategy for [2 + 2] cycloaddition of ketene silyl acetals with propiolates

Synthesis of multi-substituted cyclobutenes: Cyclic strategy for [2 + 2] cycloaddition of ketene silyl acetals with propiolates

Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Tetrahedron Letters - Volume 58, Issue 30, 26 July 2017, Pages 2944-2947

Yousuke Yamaoka, Motoki Ueda, Tohru Yamashita, Kazuma Shimoda, Ken-ichi Yamada, Kiyosei Takasu,