...质子磁共振谱法 立体选择性 醛 钛络合物 还原剂 缩醛 频那醇重排 碳酸酯 [gap=423]Keywords】: CHLORIDE,CYCLOPENTADIENE,PROTON MAGNETIC RESONANCE SPECTROMETRY,STEREOSELECTIVITY,ALDEHYDES,TITANIUM COMPLEX,REDUCER,ACETAL,PINACOL REARRANGEME..
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proton nuclear magnetic resonance spectrometry 质子磁共振谱法
The resulted D, L-lactide and glycolide were found to have ring structure by fourier transform infrared spectrometry and proton nuclear magnetic resonance(1H NMR) spectrometry.
通过傅立叶红外光谱和氢核磁谱（1H NMR）测试表明所合成的丙交酯和乙交酯具有环状结构。
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