Reactivity of the Polyhydride Complexes , (dppe = Ph2PCH2CH2PPh2), , and PF6 (L = MeCN or tBuNC) towards Electrophiles and Nucleophiles

DOI: 10.1039/DT9870000715

Source and publish data:

Journal of the Chemical Society, Dalton Transactions p. 715 - 720 (1987)

Update date:2022-08-02

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Authors:

Moehring, Gregory A.

Walton, Richard A.

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Article abstract of DOI:10.1039/DT9870000715

Protonation of with HBF4 in CH2Cl2 gives yellow BF4, whereas its treatment with C7H7⁺PF6^- in the presence of various ligands leads to formation of the compounds PF6, where L = MeCN, PPh3, tBuNC, or 2,6-Me2C6H3NC.Deprotonation of the complexes where L = MeCN or tBuNC was accomplished using NEt3 to form the neutral trihydrides and .Protonation of with HBF4 in MeCN reforms ⁺, whereas with C7H7⁺PF6^- in MeCN the dihydride PF6 is produced; a second equivalent of C7H7⁺PF6^- (in MeCN) results in the formation of 2.The complex reacts with C7H7⁺PF6^- and MeCN in a similar fashion to to produce PF6, but when it is treated with HBF4 and MeCN the protonated isocyanide complex 2 is isolated.Furthermore, (dppe = Ph2PCH2CH2PPh2) reacts with C7H7⁺PF6^- in the presence of MeCN, tBuNC, or 2,6-Me2C6H3NC to produce complexes of the type PF6.

Full text of DOI:10.1039/DT9870000715

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