有机化学 ›› 1988, Vol. 8 ›› Issue (6): 545-549. 上一篇    下一篇

研究论文

二烷氧基膦酰乙酸酯的核磁共振

史丽萍;陈朝环;叶伟贞;廖秀高   

  1. 中国科学院上海有机化学研究所
  • 发布日期:1988-12-25

NMR spectra of alkyl dialkoxyphosphinylacetates

SHI LIPING;CHEN CHAOHUAN;YE WEIZHEN;LIA XIUGAO   

  • Published:1988-12-25

研究了用^1H, ^3^1P, ^1^3C核磁共振测定二烷氧基膦酰乙酸酯的核磁共振, 报导了它们的化学位移及偶合常数, 并观察到随着温度变化, P-O-C键的位置转动, 这对鉴定其它磷化合物的结构有一定意义.

关键词: 乙酸酯, 烷氧基, 膦酸酯类, 耦合常数, 化学位移, 核磁共振

The structure of (RO)2P(O)CH2CO2R1 (R = alkyl; R1 = alkyl, cycloalkyl) were determine by means of 1H, 31P and 13C NMR. The chem. shifts and JHP, 2JCCPand 3JCCOPare reported. With the change of temperature, the hindered rotating of P-O-C bonds was observed

Key words: ACETIC ACID ESTER, ALKOXYL GROUP, PHOSPHONIC ACID ESTER, COUPLING CONSTANT, CHEMICAL SHIFT, NUCLEAR MAGNETIC RESONANCE

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