Reactions of fluoroalk-1-en-1-yltrifluoroborate and perfluoroalk-1-yn-1-yltrifluoroborate salts and selected hydrocarbon analogues with hydrogen fluoride and with halogenating agents in aHF and in basic solvents
作者:Vadim V. Bardin、Nicolay Yu. Adonin、Hermann-Josef Frohn
DOI:10.1016/j.jfluchem.2011.09.011
日期:2012.3
products. In contrast, the salts K[RCFCFBF3] (R = CnF2n+1, trans-C4H9) and K[CF3CCBF3] underwent bromodeboration to RCFCFBr and CF3CCBr, respectively, when they were reacted with bromine in the polar solvents MeOH, MeCN, or sulfolane.
K的电hydrodeboration [R'BF的相对速率3 ]与HF(27-100%)系列中的R'=减少Ç 4 ħ 9 Ç C> c ^ 4 ˚F 9 CF CFC C> CF 2 C(CF 3)> C 3 F 7 C C〜(CF 3)2 CFC C> CF 3 CC 。当R'= CF 3 C C时,通过添加获得新盐K [CF 3 CH 2 –CF 2 BF 3 ] CF 3 C以外的HF含量CH和K [BF 4 ]。少量水引起副产物K [CF 3 CH 2 –C(O)BF 3 ]的形成。全氟链烯基三氟硼酸盐与NCS或NBS在aHF(无水HF)中的亲电子卤代氟化作用导致K [R F CFHal–CF 2 BF 3 ](来自K [R F CF CFBF 3 ])和K [R F CFal 2 –CF 2 BF 3 ](来自K [R F CHal CFBF 3 ]和K [R F C CBF 3