Two-Step, Practical, and Diversity-Oriented Synthesis of Multisubstituted Benzofurans from Phenols through Pummerer Annulation Followed by Cross-coupling
Two-Step, Practical, and Diversity-Oriented Synthesis of Multisubstituted Benzofurans from Phenols through Pummerer Annulation Followed by Cross-coupling
Practical and Scalable Syntheses of Substituted Ketene Dithioacetal Monoxides
作者:Kei Murakami、Hideki Yorimitsu、Atsuhiro Osuka
DOI:10.1246/bcsj.20130148
日期:2013.10.15
Practical syntheses of substituted ketene dithioacetal monoxides (KDMs) from the corresponding aldehydes or ethyl trifluoroacetate are described. Newly developed procedures are scalable and versatile to provide aryl-, alkyl-, and trifluoromethyl-substituted KDMs in gram scales.