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Bis(6-Diphenylphosphinoacenaphth-5-yl)Telluride as a Ligand toward Manganese and Rhenium Carbonyls.

ABSTRACT: The reaction of the previously known bis(6-diphenylphosphinoacenaphthyl-5-)telluride (6-Ph?P-Ace-5-)?Te (IV) with (CO)?ReCl and (CO)?MnBr proceeded with the liberation of CO and provided fac-(6-Ph?P-Ace-5-)?TeM(X)(CO)? (fac-1: M = Re, X = Cl; fac-2: M = Mn, X = Br), in which IV acts as bidentate ligand. In solution, fac-1 and fac-2 are engaged in a reversible equilibrium with mer-(6-Ph?P-Ace-5-)?TeM(X)(CO)? (mer-1: M = Re, X = Cl; mer-2: M = Mn, X = Br). Unlike fac-1, fac-2 is prone to release another equivalent of CO to give (6-Ph?P-Ace-5-)?TeMn(Br)(CO)? (3), in which IV serves as tridentate ligand.

SUBMITTER: Do TG 

PROVIDER: S-EPMC6278489 | biostudies-other | 2018 Oct

REPOSITORIES: biostudies-other

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Bis(6-Diphenylphosphinoacenaphth-5-yl)Telluride as a Ligand toward Manganese and Rhenium Carbonyls.

Do Truong Giang TG   Hupf Emanuel E   Lork Enno E   Beckmann Jens J  

Molecules (Basel, Switzerland) 20181029 11

The reaction of the previously known bis(6-diphenylphosphinoacenaphthyl-5-)telluride (6-Ph₂P-Ace-5-)₂Te (<b>IV</b>) with (CO)₅ReCl and (CO)₅MnBr proceeded with the liberation of CO and provided <i>fac</i>-(6-Ph₂P-Ace-5-)₂TeM(X)(CO)₃ (<i>fac</i>-<b>1</b>: M = Re, X = Cl; <i>fac</i>-<b>2</b>: M = Mn, X = Br), in which <b>IV</b> acts as bidentate ligand. In solution, <i>fac</i>-<b>1</b> and <i>fac</i>-<b>2</b> are engaged in a reversible equilibrium with <i>mer</i>-(6-Ph₂P-Ace-5-)₂TeM(X)(CO)₃ (<i>m  ...[more]