📜异氰酸苯酯,4-溴苯基三氟硼酸钾置于正丁基锂,Potassium Hydrogen Bifluoride体系中,用 四氢呋喃 作为反应溶剂,化学反应 1.92H,以68%的收率获得产物4-(苯基胺基羰基)苯基三氟硼酸钾
参考文献:Linchpin Synthons: Metalation Of Aryl Bromides Bearing A Potassium Trifluoroborate Moiety
标题:Linchpin Synthons: Metalation Of Aryl Bromides Bearing A Potassium Trifluoroborate Moiety
摘要:Aryl Bromides Bearing A Potassium Trifluoroborate Moiety Were Subjected To Lithium-Halogen Exchange At Low Temperature Using A Variety Of Alkyllithium Reagents. A Number Of Different Electrophiles Were Evaluated In Their Reactions With The Aryllithiums Produced Therein. Under Carefully Optimized Conditions,Potassium Bromophenyl Trifluoroborates Afforded Good To Excellent Yields Of The Corresponding Alcohols (64-94% Isolated Yield) When Aldehydes Or Ketones Were Used As The Electophilic Partner. Esters Were Unfortunately Found To Be Unreactive.
DOI:10.1021/jo061324U