Tetrahedron

Substituent effects on the 31 P NMR chemical shifts of arylphosphorothionates

…, M Salas-Reyes, B Gordillo, C Velázquez-Contreras…

文献索引：Hernandez, Javier; Goycoolea, Francisco M.; Zepeda-Rivera, Denisse; Juarez-Onofre, Josue; Martinez, Karla; Lizardi, Jaime; Salas-Reyes, Magali; Gordillo, Barbara; Velazquez-Contreras, Carlos; Garcia-Barradas, Oscar; Cruz-Sanchez, Samuel; Dominguez, Zaira Tetrahedron, 2006 , vol. 62, # 11 p. 2520 - 2528

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被引用次数: 16

摘要

Six tris (aryloxy) phosphorothionates substituted in the para position of the aromatic rings were synthesized and studied by 31P NMR, X-ray diffraction techniques and ab initio calculations at a RHF/6-31G** level of theory, in order to find the main structural factors associated with the δ31P in these compounds. As the electron-withdrawing (EW) ability of the substituents was increased, an 'abnormal'shielding effect on δ31P of the ...