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Synthesis of novel spirophosphanes containing a pentacoordinated P–C bond by P-alkylation reaction
Tetrahedron ( IF 2.1 ) Pub Date : 2019-12-19 , DOI: 10.1016/j.tet.2019.130886
Wenwen Ma , Wang Dai , Qiangqiang Liu , Yonghong Chen , Yufen Zhao , Shuxia Cao

A novel, efficient method for the synthesis of spirophosphoranes containing a pentacoordinated P–C bond has been developed by P-alkylation reaction between pentacoordinated hydrospirophosphorane and halohydrocarbon. A series of new spirophosphoranes were synthesized, and the relative phosphorus configurations were presumed by 1H NMR NOESY or coupling constants experiment. Furthermore, the stereochemical mechanism of the pentacoordinated P-alkylation reaction was proposed by the verified experiment and 31P NMR tracing experiment.



中文翻译:

通过P-烷基化反应合成含有五配位PC键的新型螺膦

通过五配位氢螺膦与卤代烃之间的P-烷基化反应,已经开发出一种新颖,高效的合成具有五配位P–C键的螺磷膦的方法。合成了一系列新的螺正膦,并通过1 H NMR NOESY或偶合常数实验推测了相对的磷构型。此外,通过验证实验和31 P NMR示踪实验,提出了五配位P-烷基化反应的立体化学机理。

更新日期:2019-12-20
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