5-Bromo-1,3-benzenedicarboxylic acid

white to almost white powder

33.23 g (0.2 mol) of isophthalic acid and 37.42 g (0.12 mol) of silver sulphate are dissolved in 330 ml of sulphuric acid. 13.3 ml (0.26 mol) of bromine are then added over 1 h. The solution is heated at 55° C. for 24 h. The medium is then poured into ice, the insoluble material is filtered and taken up in ethyl acetate. The remaining solid is taken up in water and basified with a saturated aqueous sodium hydrogen carbonate solution. The insoluble material is filtered and the filtrate is acidified and then extracted with ethyl acetate. The organic phase is washed with water and then dried over magnesium sulphate and concentrated. [00640] White powder. m=42.1 g. Y=86percent. m.p.=285-7° C. A mixture ofA (12.2 g, 73.5 mmol), Ag2SO4 (13.3g, 43 mmol) and Br2 (5 ml, 97 mmol) in conc. sulphuric acid was stirred at 60° C. for 32 h. The excess of Br2 was removed by addition of saturated Na2S2O3 solution very slowly. The residue was poured into ice-watet The solids were isolated by filtration and given into a NaHCO3 solution. The AgBr was then removed by filtration. The solution was acidified with concentrated hydrochloric acid to give white precipitates. The solid was filtered and washed with water several times to give the product as white solid 20.5 g (Yield. 86.7percent). 1H-NMR (DMSO-d5): ö=8.23 (d, 2H), 8.40 (t, 1H).A mixture of A (12.2 g, 73.5 mmol), Ag2SO4 (13.3 g, 43 mmol) and Br2 (5ml, 97 mmol) in conc. sulphuric acidwas stirred at 60°C for 32 h. The excess of Br2 was removed by addition of saturated Na2S2O3 solution very slowly. Theresidue was poured into ice-water. The solids were isolated by filtration and given into a NaHCO3 solution. The AgBrwas then removed by filtration. The solution was acidified with concentrated hydrochloric acid to give white precipitates.The solid was filtered and washed with water several times to give the product as white solid 20.5g (Yield. 86.7percent). 1HNMR(DMSO-d6): δ = 8.23 (d, 2H), 8.40 (t, 1H).Into a 100-mL round-bottom flask, was placed a solution of isophthalic acid (10 g, 60 24 mmol, 1 00 equiv) in 98Isophthalic acid (II) (5 g, 60 mmol) was dissolved in concentrated sulfuric acid (30 mL) at room temperature and raised to 60 ° C. NBS (10.6 g, 60 mmol) was then added to the solution in three batches and 3 g was added every half hour. TLC followed the reaction. After the reaction was completed, the reaction solution was poured into ice (200 g) and precipitated as a white solid. Filtered, filtered with water (100 mL) and petroleum ether (50 mL). The solvent was evaporated to dryness using a rotary evaporator to give 13.2 g of 5-bromoisophthalic acid as a white solid in a yield of 90percent and used directly in the next step.Placing Compound A in an amount of 25.2 g (136 mmol) and KMnO

Functionalizable MOF linker with an electron rich hetero atom. Reactant for: Preparation of manganese(II) bromoisophthalate bis(pyridyl)ethane coordination polymerPreparation of nickel(II) and cobalt(II) bromoisophthalate coordination polymers Preparati

Molecular Weight:245.03
XLogP3:1.7
Hydrogen Bond Donor Count:2
Hydrogen Bond Acceptor Count:4
Rotatable Bond Count:2
Exact Mass:243.93712
Monoisotopic Mass:243.93712
Topological Polar Surface Area:74.6
Heavy Atom Count:13
Complexity:206
Covalently-Bonded Unit Count:1
Compound Is Canonicalized:Yes