The PMR spectra were run on a Bruker WM-400 spectrometer (*H, 400 MHz, TMS), mass spectra on a M-80a Hitachi spectrometer (Japan) at a ionizing voltage of 12 and 70 eV, and IR spectra in CHCIs on a Specord 75 IR spectrophotometer in CHCIs in KBr cuvettes. The melting points were determined on a RNMX-05 apparatus. In the syntheses, absolute solvents and freshly prepared and freshly purified reagents
PMR 光谱在 Bruker W
M-400 光谱仪 (*H, 400
MHz, TMS) 上运行,质谱在 M-80a Hitachi 光谱仪(日本)上以 12 和 70 eV 的电离电压运行,并在 CHCIs 上运行 IR 光谱在 KBr 比色皿中的 CHCI 中使用 Specord 75 IR 分光光度计。熔点在 RNMX-05 仪器上测定。在合成中,使用无
水溶剂和新鲜制备和新鲜纯化的试剂。