Benzopyran

From Health Encyclopedia

Contents 1 Used for 2 See for 3 Broader Terms 4 Narrower Terms 5 Facts (generated by robot; please edit if you find it inaccurate)

Used for

xanthene

See for

rose bengal

Broader Terms

oxygenous heterocyclic compound

Narrower Terms

cannabinoid, flavonoid, fluorescein, tocopherol

Facts (generated by robot; please edit if you find it inaccurate)

• In the second process of WO/00/18754, 4-bromo-2,2-bis(fluoromethyl)-6-(perfluoroalkyl)-2H-1-benzopyran is reacted with 3-aminopropionitrile in the presence of palladium acetate in N,N-dimethylacetoamide, under an atmosphere of carbon monoxide.
• 45 mmoles) 2-carbamyl-7-methyl-4-oxo-4H-1-benzopyran is added and the mixture stirred at room temperature overnight, then poured into ice water and is allowed to stand for 1 hour at room temperature.
• The two-dimensional NMR spectrum of 2,2-dimethyl-5-hydroxy-2H-1-benzopyran is shown.
• Synthesis Of 6,8-Dichloro-2-(4-fluorophenyl)-3-nitro-1,2-benzopyran The preferred method for synthesizing 6,8-Dichloro-2-(4-fluorophenyl)-3-nitro-1,2-benzopyran is as follows: 4-Fluoro-.
• 4-Oxo-4H-1-benzopyran-2-carboxylic acid 4-Oxo-4H-1-benzopyran-2-carboxylic acid Chromone-2-carboxylic acid 4-Oxo-4H-1-benzopyran-2-carboxylic acid Campel CHROMOCARB RN: 4940-39-0 MF: C10 H6 O4 C10H6O4 C10H6O4 MW: 190.
• Parasar: The Office of Pollution Prevention and Toxics is transmitting EPAs comments on the robust summaries and test plan for Cyclopenta[g]-2-benzopyran,1,3,4,6,7,8-hexahydro-4,6,6,7,8,8-hexamethyl posted on the ChemRTK HPV Challenge Program Web site on December 15, 2003.
• chloro*) Micromeritics Synonyms: 2-(3,4-Dihidroxyphenyl)-3-(beta-D-glucofuranosyloxy)-5,7-dihydroxy-, 21637-25-2, 4H-1-benzopyran-4-one, C05623, Isoquercitrin, Isotrifoliin, Quercetin 3-O-glucoside, 21637-25-2, 4H-1-Benzopyran-4-one, 2-(3,4-dihydroxy-phenyl)-3-(.

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