Nickel-Catalyzed Regio- and Stereoselective Double Carboxylation of Trimethylsilylallene under an Atmosphere of Carbon Dioxide and Its Application to the Synthesis of Chaetomellic Acid A Anhydride
作者:Miwako Mori、Yoshihiro Sato、Masanori Takimoto、Mitsunobu Kawamura
DOI:10.1055/s-2005-872225
日期:——
In the presence of a nickel catalyst and excess amounts of DBU and Me2Zn, various 1-trimethylsilylallenes smoothly reacted with two equivalents of carbon dioxide at an ambient temperature and pressure in regio- and stereoselective manners to provide 1-trimethylsilylprop-1-ene-2,3-dioic acid derivatives. A short total synthesis of chaetomellic acid A anhydride was achieved using this method.
在镍催化剂和过量的DBU与Me2Zn存在下,各种1-三甲基硅烷丙烯顺利地在常温常压下与两个当量的二氧化碳进行区域选择性和立体选择性的反应,生成1-三甲基硅烷-丙-1-烯-2,3-二羧酸衍生物。采用这种方法成功完成了对千里光酸A酸酐的短程总合成。