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・ Bis(5'-nucleosyl)-tetraphosphatase (asymmetrical)
・ Bis(5'-nucleosyl)-tetraphosphatase (symmetrical)
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Bis(cyclooctadiene)nickel(0)
・ Bis(cyclooctatetraene)iron
・ Bis(dicyclohexylphosphino)ethane
・ Bis(dinitrogen)bis(1,2-bis(diphenylphosphino)ethane)molybdenum(0)
・ Bis(pinacolato)diboron
・ Bis(pyridine)iodonium(I) tetrafluoroborate
・ Bis(triethoxysilylpropyl)tetrasulfide
・ Bis(trimethylsilyl)acetamide
・ Bis(trimethylsilyl)acetylene
・ Bis(trimethylsilyl)amine
・ Bis(trimethylsilyl)mercury
・ Bis(trimethylsilyl)sulfide
・ Bis(triphenylphosphine)iminium chloride
・ Bis(triphenylphosphine)nickel chloride
・ Bis(triphenylphosphine)palladium(II) dichloride


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Bis(cyclooctadiene)nickel(0) : ウィキペディア英語版
Bis(cyclooctadiene)nickel(0)

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Bis(cyclooctadiene)nickel(0) is the organometallic compound with the formula Ni(C8H12)2. This air-sensitive yellow solid is a common source of Ni(0) in chemical synthesis.
Ni(cod)2, as it is commonly abbreviated, is a diamagnetic coordination complex featuring tetrahedral nickel(0) bound to the alkene groups in two 1,5-cyclooctadiene ligands. The complex is prepared by reduction of anhydrous nickel(II) acetylacetonate in the presence of the diolefin:
:1/3 () + 2 cod + 2 AlEt3 → Ni(cod)2 + 2 acacAlEt2 + C2H6 + C2H4
Ni(cod)2 is moderately soluble in benzene and THF. The cod ligands are easily displaced by phosphines, phosphites, and isocyanides.
==References==


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