作者:Zhi Guan、Di Wu、Jian-Ping Fu、Yan-Hong He
DOI:10.1002/hc.20604
日期:——
A facile and efficient synthetic methodo- logy for the preparation of diethyl α,α-chlorofluoro- alkanephosphonates is described. A wide variety of diethyl α-hydroxyphosphonates were investigated by a two-step halogenation procedure, which includes nucleophilic chlorination with PPh3 and CCl4 and electrophilic fluorination with N-fluorobisbenzene- sulfonimide. Aromatic and aliphatic α,α-chlorofluoro-
描述了一种用于制备 α,α-氯氟烷膦酸二乙酯的简便有效的合成方法。通过两步卤化程序研究了多种 α-羟基膦酸二乙酯,包括用 PPh3 和 CCl4 进行亲核氯化以及用 N-氟双苯磺酰亚胺进行亲电氟化。芳香族和脂肪族 α,α-氯氟代膦酸酯可以通过这种方法以可接受的产率制备。© 2010 Wiley Periodicals, Inc. 杂原子化学 21:250–255, 2010; 在线发表于 Wiley InterScience (www.interscience.wiley.com)。DOI 10.1002/hc.20604