5.实验室合成: TI(OOCCE3h O-C-CF3 (CF3 COO)3TI (CF3C0O4Pb 1. OH (C6H5)3P 2.H5．实验室合成： (CF3COO)3Tl (CF3COO)4Pb (C6H5)3P O C O CF3 1. OH - 2.H + Tl(OOCCF3)2 OH