三甲基膦

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| ImageFile = Trimethylphosphine Structural Formula.svg
| ImageFile_Ref =
| ImageSize = 200
| ImageName = Stereo, skeletal formula of trimethylphosphine with the lone pair of electrons shown, and all explicit hydrogens added
| ImageFile1 = Trimethylphosphine-A-3D-balls.png
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| ImageSize1 = 200
| ImageName1 = Ball and stick model of trimethylphosphine
| ImageFile2 = Trimethylphosphine-3D-vdW.png
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| PIN = Trimethylphosphane
| SystematicName = Trimethylphosphane (substitutive)

Trimethylphosphorus

: 3 CH3MgCl + P(OC6H5)3 → P(CH3)3 + 3 C6H5OMgCl

反应在二丁醚中进行，更容易挥发的三甲基膦可以通过蒸馏得到。

参考文献