Add time:07/14/2019         Source:sciencedirect.com

Halogen exchange was observed when bis(NN-diethyldithiocarbamato) nickel(II), Ni(dtc)2, was refluxed with excess α,α′-dibromo-o-xylene in 1,2-dichloroethane forming α,α′-dichloro-o-xylene and α, α′-bromochloro-o-xylene. This exchange is absent without Ni(dtc)2 or when bis(o-ethylaxanthato)_nickel(II) is substituted for Ni (dtc)2.

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