cas 5030-61-5, 1,4-DIMETHOXY-2,3-DIBROMOBENZENE

1,2-Dibromobenzenes are highly valuable precursors for various organic transformations, in particular, reactions based on the intermediate formation of benzynes. This report describes short sequences for the synthesis of various derivatives based on regioselective bromination, ortho-metalation, and halogen/metal permutations. 1,2-Dibromo-3-iodobenzene (2f), 1,2-dibromo-4- iodobenzene (4c), and 2,3-dibromo-1,4-diiodobenzene (5e) act as intermediates in these syntheses. Bromo-iodoarenes have been synthesized by short and regioselective bromination or iodination sequences that combine ortho-metalation, halo-desilylation, diazotation, or bromination reactions of anilines. These polyhalo derivatives were then used as key intermediates to access a wide range of functionalized 1,2-dibromobenzenes by chemoselective organometallic reactions. Copyright

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Chemical Properties

Melting Point: 154-158 °C

Boiling Point: 296.5±35.0 °C(Predicted)

Density: 1.742±0.06 g/cm3(Predicted)

Storage Temp.:Sealed in dry,Room Temperature

PSA: 18.46000

LogP: 3.22880

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