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・ 1,9-Pyrazoloanthrone
・ 1-(2-Dimethylaminoethyl)dihydropyrano(3,2-e)indole
・ 1-(2-Diphenyl)piperazine
・ 1-(2-Nitrophenoxy)octane
・ 1,2-Dibromo-3-chloropropane
・ 1,2-Dibromoethane
・ 1,2-Dibromopropane
・ 1,2-Dichloro-4-nitrobenzene
・ 1,2-Dichlorobenzene
・ 1,2-Dichloroethane
・ 1,2-Dichloroethane (data page)
・ 1,2-Dichloroethene
・ 1,2-Dichloroethyl acetate
・ 1,2-Dichloropropane
・ 1,2-Dichlorotetrafluoroethane
1,2-Difluorobenzene
・ 1,2-Diformylhydrazine
・ 1,2-Dihydro-1,2-azaborine
・ 1,2-dihydrovomilenine reductase
・ 1,2-dihydroxy-6-methylcyclohexa-3,5-dienecarboxylate dehydrogenase
・ 1,2-dihydroxynaphthalene dioxygenase
・ 1,2-Diiodoethane
・ 1,2-Dimethoxybenzene
・ 1,2-Dimethylcyclopropane
・ 1,2-Dimethylhydrazine
・ 1,2-dioleoyl-sn-glycerophosphoethanolamine
・ 1,2-Dioxane
・ 1,2-Dioxetane
・ 1,2-Dioxetanedione
・ 1,2-Dioxin


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1,2-Difluorobenzene : ウィキペディア英語版
1,2-Difluorobenzene

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1,2-Difluorobenzene, also known as DFB, is an aromatic compound with formula C6H4F2. This colorless liquid is a solvent used in the electrochemical studies of transition metal complexes.
== Synthesis ==
1,2-Difluorobenzene is prepared by a simple substitution reaction of fluorine with fluorobenzene.
:C6H5F + F2 → C6H4F2 + HF
The 1,4-isomer and small amounts of the 1,3-isomer are also produced in the reaction as the fluorine group on the aromatic ring of fluorobenzene is ortho- and para- directing.

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