Rhodium-Catalyzed Linear Codimerization and Cycloaddition of Ketenes with Alkynes

Molecules

Teruyuki Kondo¹  Masatsugu Niimi¹  Yuki Yoshida¹  Kenji Wada¹  Take-aki Mitsudo¹  Yu Kimura¹ 

[1] ¹Advanced Biomedical Engineering Research Unit, Kyoto University, Katsura, Nishikyo-ku, Kyoto 615-8510, Japan

关键词: rhodium;    catalyst;    ketene;    alkyne;    codimerization;    cycloaddition;   

DOI  :  10.3390/molecules15064189

来源: mdpi

【 摘 要 】

A novel rhodium-catalyzed linear codimerization of alkyl phenyl ketenes with internal alkynes to dienones and a novel synthesis of furans by an unusual cycloaddition of diaryl ketenes with internal alkynes have been developed. These reactions proceed smoothly with the same rhodium catalyst, RhCl(PPh₃)₃, and are highly dependent on the structure and reactivity of the starting ketenes.

【 授权许可】

CC BY   
This is an open access article distributed under the Creative Commons Attribution License (CC BY) which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.