NMR studies of hexacoordinated phosphorus anions in solution

Abstract

Some spirophosphoranes e.g., I reacted with 2 mols of KOMe in the presence of 18-crown-6 to give cis and trans hexacoordinated phosphorus anions. The 31P NMR spectrum shows that the exocyclic ligand was replaced by 2 MeO groups to yield six coordinated phosphorus anions. The formation of the trans isomer is kinetically controlled and of the cis isomer is thermodynamically controlled.

Key words: OXYGEN HETEROCYCLICS, CHEMICAL SHIFT, NUCLEAR MAGNETIC RESONANCE, ISOMER, PHOSPHORIC ACID ESTER, PHOSPHOROUS HETEROCYCLIC COMPOUNDS, PHOSPHORUS COMPLEX, PHOSPHORUS ISOTOPES, HEXACOORDINATE

CLC Number:

O627

Cite this article

LIU LUNZU. NMR studies of hexacoordinated phosphorus anions in solution[J]. Acta Chimica Sinica, 1989, 47(5): 472-473.

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