Trifluoromethyl-Substituted Bis(pyrazolyl)methanes as Ligands for Copper and Silver: Synthesis and Spectroscopic and Structural Characterization
作者:Guido Pampaloni、Riccardo Peloso、Daniele Belletti、Claudia Graiff、Antonio Tiripicchio
DOI:10.1021/om700325t
日期:2007.8.1
New fluorinated bis(pyrazolyl)methanes with the general formula RCH(PzF)2 [R = H, PzF = 3-(trifluoromethyl)pyrazolyl, 3,5-bis(trifluoromethyl)pyrazolyl; R = Ph, PzF = 3,5-bis(trifluoromethyl)pyrazolyl] have been prepared, and their reactivity with copper and silver salts has been studied. Copper derivatives Cu[RCH(PzF)2](L)(OTf) [R = H, PzF = 3-(trifluoromethyl)pyrazolyl, 3,5-bis(trifluoromethyl)pyrazolyl;
具有通式RCH(Pz F)2 [R = H,Pz F = 3-(三氟甲基)吡唑基,3,5-双(三氟甲基)吡唑基的新型氟化双(吡唑基)甲烷;R = PH,的Pz ˚F = 3,5-双(三氟甲基)吡唑基]已经制备,以及它们与铜和银的盐的反应进行了研究。铜衍生物Cu [RCH(Pz F)2 ](L)(OTf)[R = H,Pz F = 3-(三氟甲基)吡唑基,3,5-双(三氟甲基)吡唑基;R = PH,的Pz ˚F = 3,5-双(三氟甲基)吡唑基,L = CO,环辛烯(COE); R = Ph,Pz F通过使Cu(OTf)(甲苯)0.5与双(吡唑基)甲烷配体反应,分离出3,5-双(三氟甲基)吡唑基,L = coe,4-乙烯基苯甲醚(van)和三乙基乙烯基硅烷(tevs)]其中一些已在结构上得到了表征(R = H,Pz F = 3-(三氟甲基)吡唑基,3,5-双(三氟甲基)吡唑基,L = CO)