An Unusual Product from the Reaction of C(PPh3)2 with [Mn2(CO)10]: Formation and Crystal Structure of [Mn(OPPh3)2{O2CC(PPh3)2}2][Mn(CO)5]2†
Corresponding Author
Wolfgang Petz Prof. Dr.
Marburg Germany, Fachbereich Chemie der Philipps-Universität
Fachbereich Chemie der Universität, D-35032 Marburg, Fax: int.-6421/2825653Search for more papers by this authorFlorian Öxler
Marburg Germany, Fachbereich Chemie der Philipps-Universität
Search for more papers by this authorRamona Ronge
Marburg Germany, Fachbereich Chemie der Philipps-Universität
Search for more papers by this authorCorresponding Author
Bernhard Neumüller Prof. Dr.
Marburg Germany, Fachbereich Chemie der Philipps-Universität
Fachbereich Chemie der Universität, D-35032 Marburg, Fax: int.-6421/2825653Search for more papers by this authorCorresponding Author
Wolfgang Petz Prof. Dr.
Marburg Germany, Fachbereich Chemie der Philipps-Universität
Fachbereich Chemie der Universität, D-35032 Marburg, Fax: int.-6421/2825653Search for more papers by this authorFlorian Öxler
Marburg Germany, Fachbereich Chemie der Philipps-Universität
Search for more papers by this authorRamona Ronge
Marburg Germany, Fachbereich Chemie der Philipps-Universität
Search for more papers by this authorCorresponding Author
Bernhard Neumüller Prof. Dr.
Marburg Germany, Fachbereich Chemie der Philipps-Universität
Fachbereich Chemie der Universität, D-35032 Marburg, Fax: int.-6421/2825653Search for more papers by this authorProfessor Heinrich Nöth zum 80. Geburtstag gewidmet
Abstract
The carbodiphosphorane C(PPh3)2 (1) reacts with [Mn2(CO)10] in THF to produce quantitatively the salt-like complex (HC{PPh3}2)[Mn(CO)5] (2) as THF solvate. If the reaction is carried out in 1,2-dimethoxyethane (DME) small amounts of [Mn(OPPh3)2{O2CC(PPh3)2}2][Mn(CO)5]2 (3) as DME solvate along with solvent free 2 as the main product were isolated. Proton abstraction from the solvent led to the formation of 2; the ligands OPPh3 and O2CC(PPh3)2}2 of 3 are the results of a side reaction from [Mn2(CO)10] and 1 in a Wittig type manner. From the reaction in benzene small amounts of 3 were also obtained, crystallizing as benzene solvate 3·4C6H6. The crystal structures of 2·THF, 2, 3·1.75DME and 3·4C6H6 are reported. The compounds are further characterized by IR and 31P NMR spectroscopy.
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