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- Benzopyran abstract "Benzopyran is an polycyclic organic compound that results from the fusion of a benzene ring to a heterocyclic pyran ring. According to IUPAC nomenclature it is called chromene. There are two isomers of benzopyran that vary by the orientation of the fusion of the two rings compared to the oxygen, resulting in 1-benzopyran (chromene) and 2-benzopyran (isochromene)—the number denotes where the oxygen atom is located by standard naphthalene-like nomenclature.The radical form of benzopyran is paramagnetic. The unpaired electron is delocalized over the whole benzopyran molecule, rendering it less reactive than one would expect otherwise, a similar example is the cyclopentadienyl radical. Commonly, benzopyran is encountered in the reduced state, in which it is partially saturated with one hydrogen atom, introducing a tetrahedral CH2 group in the pyran ring. Therefore, there are many structural isomers owing to the multiple possible positions of the oxygen atom and the tetrahedral carbon atom:".
- Benzopyran thumbnail 4H-Chromen.svg?width=300.
- Benzopyran wikiPageID "7379354".
- Benzopyran wikiPageRevisionID "555202519".
- Benzopyran hasPhotoCollection Benzopyran.
- Benzopyran imagefile "4".
- Benzopyran verifiedrevid "464365209".
- Benzopyran watchedfields "changed".
- Benzopyran subject Category:Chromenes.
- Benzopyran type ChemicalCompound.
- Benzopyran type ChemicalSubstance.
- Benzopyran type ChemicalSubstanceType.
- Benzopyran type ChemicalObject.
- Benzopyran type Thing.
- Benzopyran comment "Benzopyran is an polycyclic organic compound that results from the fusion of a benzene ring to a heterocyclic pyran ring. According to IUPAC nomenclature it is called chromene.".
- Benzopyran label "Benzopirano".
- Benzopyran label "Benzopyran".
- Benzopyran label "Benzopyran".
- Benzopyran label "Benzopyrane".
- Benzopyran label "Chromene".
- Benzopyran label "ベンゾピラン".
- Benzopyran sameAs Chromene.
- Benzopyran sameAs Benzopyran.
- Benzopyran sameAs Benzopyrane.
- Benzopyran sameAs Benzopirano.
- Benzopyran sameAs ベンゾピラン.
- Benzopyran sameAs m.025_x3n.
- Benzopyran sameAs Q421311.
- Benzopyran sameAs Q421311.
- Benzopyran wasDerivedFrom Benzopyran?oldid=555202519.
- Benzopyran depiction 4H-Chromen.svg.
- Benzopyran isPrimaryTopicOf Benzopyran.