Abstract
Treatment of a THF solution of trans-[ReCl(N 2)(dppe) 2] (dppe = Ph 2PCH 2CH 2PPh 2) with NO, in the presence of Tl[BF 4], forms trans-[Re(NO) 2(dppe) 2][BF 4], a rare formal 20-electron d 8-rhenium nitrosyl complex which, by reaction with HX (X = BF 4, Cl or HSO 4), gives trans-[ReF(NO)(dppe) 2][BF 4] ( 2) (the X-ray structure of which is reported) or trans-[ReX(NO)(dppe) 2]X ( 3, X = Cl or HSO 4), respectively, as well as nitrous oxide.
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