Benzopyran
Benzopyran is a 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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2H2H-1-benzopyranAlniditanAngelicinAnnulationBenzhydryl compoundsBenzopyransBenzopyroneC9H8OChebulagic acidChromaneChromeneChromoneCrucibulumDaedalea quercinaEupatorium toppingianumFlavanFlavonesFlavonoidFlourensia cernuaIsochromeneLactarius fuliginosusLactarius fumosusList of MeSH codes (D03)List of selective estrogen receptor modulatorsPyrylium saltQuercinolR7 (drug)RussulaceaeUrolithin A
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Benzopyran
Benzopyran is a 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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Als Chromene (auch: Benzopyran ...... schen Sechsring unterscheiden.
@de
Bensopyran är en organisk före ...... H-2-bensopyran (3H-isokromen).
@sv
Benzopirano estas ducikla syst ...... nomenklaturo de la naftaleno.
@eo
Benzopyran is a polycyclic org ...... d the tetrahedral carbon atom:
@en
El benzopirano es un compuesto ...... átomo de carbono tetraédrico:
@es
Il benzopirano o cromene, è un ...... atomo di carbonio tetraedrico.
@it
Le benzopyrane ou chromène (IU ...... e et du carbone tétraédrique :
@fr
ベンゾピラン (benzopyran) は分子式C9H8Oを ...... 造異性体が挙げられる。主なベンゾピランは下表のとおりである。
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Als Chromene (auch: Benzopyran ...... schen Sechsring unterscheiden.
@de
Bensopyran är en organisk före ...... H-2-bensopyran (3H-isokromen).
@sv
Benzopirano estas ducikla syst ...... potencaj antikanceraj agentoj.
@eo
Benzopyran is a polycyclic org ...... naphthalene-like nomenclature.
@en
El benzopirano es un compuesto ...... la nomenclatura del naftaleno.
@es
Il benzopirano o cromene, è un ...... attività anticancro in vitro.
@it
Le benzopyrane ou chromène (IU ...... quée à un noyau de naphtalène.
@fr
ベンゾピラン (benzopyran) は分子式C9H8Oを ...... 造異性体が挙げられる。主なベンゾピランは下表のとおりである。
@ja
label
Bensopyran
@sv
Benzopirano
@eo
Benzopirano
@es
Benzopirano
@it
Benzopyran
@en
Benzopyrane
@fr
Chromene
@de
ベンゾピラン
@ja