Dibenzopyrromethene boron chelate compound, near-infrared light-absorbing material, thin-film, and organic electronic device
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United States of America Patent
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Aug 18, 2020
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Jul 30, 2020
app pub date -
Aug 6, 2018
filing date -
Aug 10, 2017
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Abstract
A compound is represented by the formula, R1 to R8 are each a hydrogen atom, aliphatic hydrocarbon group, aromatic group, heterocyclic group, a halogen atom, or the like. One of X1 to X3 is a sulfur atom, and the remaining two are carbon atoms having one R0. One of X4 to X6 is a sulfur atom, and the other two are carbon atoms having one R0. R0 is a hydrogen atom, aliphatic hydrocarbon group, aromatic group, heterocyclic group, a halogen atom, or the like. When X1 and X2 are each R0C, X2 and X3 are each R0C, X4 and X5 are each R0C, or X5 and X6 are each R0C, the adjacent R0s may be bounded to each other to form a cyclic structure.
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