O-benzoquinone
1,2-Benzoquinone, also called '''ortho-benzoquinone''', is an organic compound with formula . It is one of the two isomers of quinone, the other being 1,4-benzoquinone. It is a red volatile solid that is soluble in water and diethyl ether. It is rarely encountered because of its instability, but it is of fundamental interest as the parent compound of many derivatives which are known.
Article
5 sectionsContents
- Structure
- Preparation and reactions
- Occurrence of ''ortho''-quinones
- See also
- References
1,2-Benzoquinone, also called '''ortho-benzoquinone', is an organic compound with formula . It is one of the two isomers of quinone, the other being 1,4-benzoquinone. It is a red volatile solid that is soluble in water and diethyl ether. It is rarely encountered because of its instability, but it is of fundamental interest as the parent compound of many derivatives which are known.
==Structure== The molecule has C symmetry. X-ray crystallography shows that the double bonds are localized, with alternatingly long and short C-C distances within the ring. The C=O distances of 1.21 Å are characteristic of ketones.