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DOI: 10.1039/A703005C (Paper) Reference Section for: J. Chem. Soc., Dalton Trans., 1997, 3387-3396

Reactivity of Group 10 halides toward (Ph2PN[double bond, length as m-dash])C(Ph)[N(SiMe3)2], (NC5H4){(Ph2PN[double bond, length as m-dash])C[N(SiMe 3)2]}-4 and C6H4{C([double bond, length as m-dash]NPPh2)[N(SiMe 3)2]}2-1,4

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Wai-Kwok Wong, Chaode Sun and Wing-Tak Wong

Abstract

Interaction of [NiBr2(dme)] (dme = 1,2-dimethoxyethane) with 1 equivalent of (Ph2PN[double bond, length as m-dash])C(Ph)[N(SiMe3)2] L1 in tetrahydrofuran gave cis-[NiBr2{(Ph2PNH)C(Ph)([double bond, length as m-dash] NH)}] 1, metathesis of this compound with excess NH4BF4 in methanol gave cis-[Ni{(Ph2PNH)C(Ph)([double bond, length as m-dash]NH)}2 ][BF4]2 2. Reaction of [NiBr2(dme)] with 1 equivalent of (NC5H4){Ph2PN[double bond, length as m-dash])C[N(SiMe 3)2]}-4 L3 followed by metathesis with excess NH4BF4 in methanol gave cis-[Ni{(NC5H4)[(Ph2PNH) C([double bond, length as m-dash]NH)]-4}2][BF4]2 3. Reaction of [PdCl2(PhCN)2] with 1 equivalent of L1 in acetonitrile gave cis-[PdCl2{(Ph2PNH)C(Ph)([double bond, length as m-dash] NH)}] 4, and with 0.5 equivalent of C6H4{C([double bond, length as m-dash]NPPh2)[N(SiMe 3)2]}2-1,4 L2 in tetrahydrofuran gave cis-[(PdCl2)2{C6H4 [C([double bond, length as m-dash]NPPh2){N(SiMe3)2 }]2-1,4}] 5 and cis-[(PdCl2)2{C6H4 [C(NHPPh2)([double bond, length as m-dash]NH)]2-1,4}] 6. Interaction of [PdCl2(PhCN)2] with L3 in 1∶1 and 3∶2 molar ratios gave cis-[PdCl2{(NC5H4)[(Ph 2PNH)C([double bond, length as m-dash]NH)]-4}] 7 and trans-[PdCl2{cis-PdCl2[ (NC5H4){(Ph2PNH)C([double bond, length as m-dash]NH) }-4]}2] 8, respectively. Reaction of [MCl2(PhCN)2] (M = Pd or Pt) with 2 equivalents of L3 followed by metathesis with excess NH4BF4 in methanol gave cis-[M{(NC5H4)[(Ph2PNH) C([double bond, length as m-dash]NH)]-4}{(NC5H4)[(Ph2 PNH)C([double bond, length as m-dash]N)]-4}][BF4] (Pd 9 or Pt 10). Crystal structures of compounds 1, 4, 7, 8, 9 and 10 have been determined.

References

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