Sumrnary of main observation and conclusion We report a silver-catalyzed borylation of alkyl tosylates,which provides a new method for the synthesis of all<ylboron compounds with good functional group compatibility...Sumrnary of main observation and conclusion We report a silver-catalyzed borylation of alkyl tosylates,which provides a new method for the synthesis of all<ylboron compounds with good functional group compatibility and excellent chemoselectivity.The present work added highly polarized alkyl tosylate C-O bonds to the fairly limited number of C-O bonds able to participate in free radical cleavage pathways.The mechanistic studies suggested that in situ-generated silver(O)catalytic species were the active catalytic species and played a key role in the radical pathway cleavage of C-O bonds.展开更多
基金the National Natural Science Foundation of China [Nos.21472181,21572212, 21502184,21732006,21702200 and 51821006)the Major Program of Development Foundation of Hefei Center for Physical Science and Technology (No.2017FXZY001).
文摘Sumrnary of main observation and conclusion We report a silver-catalyzed borylation of alkyl tosylates,which provides a new method for the synthesis of all<ylboron compounds with good functional group compatibility and excellent chemoselectivity.The present work added highly polarized alkyl tosylate C-O bonds to the fairly limited number of C-O bonds able to participate in free radical cleavage pathways.The mechanistic studies suggested that in situ-generated silver(O)catalytic species were the active catalytic species and played a key role in the radical pathway cleavage of C-O bonds.