| Weight | 132.162 g/mol |
|---|---|
| Formula | C9H8O |
| Hydrogen Acceptors | 1 |
| Hydrogen Donors | 0 |
| Aromatic Rings | 1 |
| Rotatable Bonds | 0 |
2H-Chromene (254-04-6)
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- Wikipedia - Benzopyran
Benzopyran is an polycyclic organic compound that results from the fusion of a benzene ring to a heterocyclic pyran ring. According to current IUPAC nomenclature, the name chromene used in previous recommendations is retained; however, systematic benzo names, for example 2H-1-benzopyran, are preferred IUPAC names for chromene, isochromene, chromane, isochromane, and their chalcogen analogues. 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.
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