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Names | |
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IUPAC name 2H-Inden-2-one | |
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3D model (JSmol) | |
PubChem CID | |
UNII | |
CompTox Dashboard (EPA) | |
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Properties | |
C9H6O | |
Molar mass | 130.146 g·mol−1 |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). |
Isoindenone is a polycyclic ketone with chemical formula C9H6O. It is a cross-conjugated. It is unstable. [2]
The revenge of the forty-seven rōnin, also known as the Akō incident or Akō vendetta, is a historical event in Japan in which a band of rōnin avenged the death of their former master on 31 January 1703. The incident has since become legendary. It is one of the three major adauchi vendetta incidents in Japan, alongside the Revenge of the Soga Brothers and the Igagoe vendetta.
Hyōgo Prefecture is a prefecture of Japan located in the Kansai region of Honshu. Hyōgo Prefecture has a population of 5,469,762 and a geographic area of 8,400 square kilometres. Hyōgo Prefecture borders Kyoto Prefecture to the east, Osaka Prefecture to the southeast, and Okayama and Tottori prefectures to the west.
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Harima Province or Banshū (播州) was a province of Japan in the part of Honshū that is the southwestern part of present-day Hyōgo Prefecture. Harima bordered on Tajima, Tanba, Settsu, Bizen, and Mimasaka Provinces. Its capital was Himeji.
Ōishi Yoshio was the chamberlain (karō) of the Akō Domain in Harima Province, Japan. He is known as the leader of the Forty-seven Rōnin in their 1703 vendetta and thus the hero of the Chūshingura. He is often referred to by his pseudonym (kemyō), Ōishi Kuranosuke (大石内蔵助).
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Akō Line is a railway line owned by West Japan Railway Company between Aioi, Hyōgo to Okayama, Okayama in Japan. A loop line off the Sanyō Main Line, the Akō Line commences at Aioi, is situated south of the main line approximately paralleling the Seto Inland Sea, and rejoins the main line at Higashi-Okayama.
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