A general term for unsaturated cyclic compounds that do not have a benzene nucleus and have aromatic properties. They are also called non-benzenoid aromatic compounds. In addition to neutral molecules such as azulene and tropolone, they also include ionic species such as cyclopentadienyl anions and cycloheptatrienyl cations. [Tomoda Shuji] Source: Heibonsha World Encyclopedia, 2nd Edition Information |
ベンゼン核をもたない不飽和環式化合物で芳香族性を有するものの総称。非ベンゼノイド芳香族化合物とも呼ばれる。アズレンやトロポロンなど中性分子のほかに,シクロペンタジエニルアニオン,シクロヘプタトリエニルカチオン,などイオン種も含まれる。【友田 修司】
出典 株式会社平凡社世界大百科事典 第2版について 情報 |
A type of mechanical tissue made up of thick horn...
In Greek mythology, she was the daughter of Thauma...
...However, compared to vocal polyphony, which wa...
…In Europe and America, silicified wood fragments...
… In the second half of the 18th century, a movem...
A waxy ore mainly composed of pyrophyllite. It can...
…In 1514, a battle took place in the fields of Ça...
…He was a supporter of Tilak and then approached ...
… Words meaning children are said to be roughly d...
Oriolidae is a general term for birds in the passe...
This refers to a physical functional disorder that...
An attempted assassination of Emperor Showa occur...
A leader of the right-wing and nationalist moveme...
…The culture continues to run parallel to the Mag...
…In animal stories, K. Knaak and F. Steuben made ...