| 摘要 |
PROBLEM TO BE SOLVED: To provide a polyacene compound having a new structure and effectively exerting optical or electrical function. SOLUTION: The polyacene compound is represented by general formula (1). Wherein, in formula (1), X<SP>1</SP>and X<SP>2</SP>are each independently S, Se, or Te; R<SP>1</SP>to R<SP>8</SP>, R<SP>m1</SP>, R<SP>m2</SP>, R<SP>n1</SP>and R<SP>n2</SP>are each independently H, or a univalent organic group; R<SP>m1</SP>, R<SP>m2</SP>, R<SP>n1</SP>, R<SP>n2</SP>, R<SP>1</SP>, R<SP>4</SP>, R<SP>5</SP>, R<SP>8</SP>of rings adjacent to rings to which X<SP>1</SP>and X<SP>2</SP>connect are H; R<SP>a</SP>and R<SP>b</SP>are each independently a univalent organic group; and m and n are integers satisfying 0≤m≤3, 0≤n≤3 and 1≤m+n. COPYRIGHT: (C)2006,JPO&NCIPI
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