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US 2026/0062434 A1Published application
Metallocene compound, a catalyst, an electron mediator, an electrolyte for a redox flow battery, a medicament and a method for producing the metallocene compound
AssigneeOkinawa Institute of Science and Technology School Corporation
InventorSatoshi TAKEBAYASHI
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Abstract
Provided is a new metallocene compound with a formal electron count of 20 to 22. The metallocene compound may be represented by formula (1). This application also provides methods for producing the compound, which can be used, amongst other things, as a catalyst, an electron mediator, or as an electrolyte in a redox flow battery. The unique electronic structure of these compounds provides for novel and highly tunable redox properties.
Claims13
A metallocene compound represented by formula (1):
- wherein,
- R1 to R7 are independently selected from a hydrogen atom, a halogen atom, a hydrocarbon group, and a heteroatom-containing group,
- or any one of R4 to R7 attached to one of the two cyclopentadienyl rings and any one of R4 to R7 attached to the other cyclopentadienyl ring may together form a linking group,
- or any adjacent two of R4 to R7 may form a ring together with the carbon atoms to which they are attached;
- L1 is a linking group;
- M is selected from Co, Ni, and Fe;
- and
- X is not present when M has an oxidation state of 2, and
- X is a counter anion when M has an oxidation state of 3 or 4.
6 more elements
A metallocene compound represented by formula (1′):
- wherein,
- R1 to R7 are independently selected from a hydrogen atom, a halogen atom, a hydrocarbon group, and a heteroatom-containing group, or any one of R4 to R7 attached to one of the two cyclopentadienyl rings and any one of R4 to R7 attached to the other cyclopentadienyl ring may together form a linking group;
- L1 is a linking group;
- M is selected from Co, Ni, and Fe;
- and
- X is not present when M has an oxidation state of 2, and
- X is a counter anion when M has an oxidation state of 3 or 4.
4 more elements
Dependencies are inferred from the claim text.