Abstract
A review with 10 refs. discusses the stabilization of Cu(PPh3)2+ by 3,6-bis(2-pyridyl)-1,2,4,5-tetrazine radical anion (L) and 4,7-phenanthroline-5,6-semidione (Q) as [Cu(PPh3)2]2L+ (I) and [Cu(PPh3)2]2Q+, resp., and of Cu[Ph2P(CH2)6PPh2]+ by Me3COC(O)NNC(O)OCMe3.bul. (Z) as Cu[Ph2P(CH2)6PPh2]2Z (II). The crystal structures of I and II as BF4- salts are discussed. [on SciFinder(R)]
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