A general, green and efficient method for the synthesis of trans diiodoalkenes in CO 2(sc) has been developed. Trans diiodoalkenes were obtained stereospecifically in quantitative yields via diiodination of...A general, green and efficient method for the synthesis of trans diiodoalkenes in CO 2(sc) has been developed. Trans diiodoalkenes were obtained stereospecifically in quantitative yields via diiodination of both electron rich and electron deficient alkynes in the presence of KI, Ce(SO 4) 2 and water in supercritical carbon dioxide [CO 2 (sc)] at 40 ℃.展开更多
文摘A general, green and efficient method for the synthesis of trans diiodoalkenes in CO 2(sc) has been developed. Trans diiodoalkenes were obtained stereospecifically in quantitative yields via diiodination of both electron rich and electron deficient alkynes in the presence of KI, Ce(SO 4) 2 and water in supercritical carbon dioxide [CO 2 (sc)] at 40 ℃.