Phosphinite

Source: Wikipedia, the free encyclopedia.
Not to be confused with phosphonite (formula P(OR)2R) .
Structural formula of a generic phosphinite, R represents a side chain.
Skeletal formula of methyl diphenylphosphinite

In

coordination chemistry.[1]

Preparation

Phosphinites are prepared by

alcoholysis of organophosphinous chlorides. For example, treatment of chlorodiphenylphosphine with methanol
and base gives methyl diphenylphosphinite:

ClPPh2 + CH3OH → CH3OPPh2 + HCl

Although they are esters of phosphinous acids (R2POH), phosphinites are not made via such intermediates.

Reactions

Oxidation of phosphinites gives phosphinates:

2 P(OR)R2 + O2 → 2 OP(OR)R2

Phosphinites are ligands, giving derivatives similar to

metal phosphine complexes. They are stronger pi-acceptors than typical phosphine ligands.[2]

References

  1. ISBN 0-444-89307-5
    .
  2. ISBN 9781118299715
    .

See also
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