Structure of 3-Bromo-5-iodophenol
                                    
                                    
CAS No.: 570391-20-7
                                    
                                
                                
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| CAS No. : | 570391-20-7 | 
| Formula : | C6H4BrIO | 
| M.W : | 298.90 | 
| SMILES Code : | OC1=CC(I)=CC(Br)=C1 | 
| MDL No. : | MFCD12405397 | 
| InChI Key : | IQYQJLWQIUGDTI-UHFFFAOYSA-N | 
| Pubchem ID : | 22630182 | 
| GHS Pictogram: | 
                                
                                
                                     
                                
                                
                             | 
| Signal Word: | Warning | 
| Hazard Statements: | H302-H315-H319 | 
| Precautionary Statements: | P261-P305+P351+P338 | 
| Num. heavy atoms | 9 | 
| Num. arom. heavy atoms | 6 | 
| Fraction Csp3 | 0.0 | 
| Num. rotatable bonds | 0 | 
| Num. H-bond acceptors | 1.0 | 
| Num. H-bond donors | 1.0 | 
| Molar Refractivity | 48.88 | 
| TPSA ? Topological Polar Surface Area: Calculated from   | 
                                            20.23 Ų | 
| Log Po/w (iLOGP)? iLOGP: in-house physics-based method implemented from   | 
                                            1.94 | 
| Log Po/w (XLOGP3)? XLOGP3: Atomistic and knowledge-based method calculated by   | 
                                            2.91 | 
| Log Po/w (WLOGP)? WLOGP: Atomistic method implemented from   | 
                                            2.76 | 
| Log Po/w (MLOGP)? MLOGP: Topological method implemented from   | 
                                            3.15 | 
| Log Po/w (SILICOS-IT)? SILICOS-IT: Hybrid fragmental/topological method calculated by   | 
                                            3.03 | 
| Consensus Log Po/w? Consensus Log Po/w: Average of all five predictions  | 
                                            2.76 | 
| Log S (ESOL):? ESOL: Topological method implemented from   | 
                                            -4.02 | 
| Solubility | 0.0286 mg/ml ; 0.0000955 mol/l | 
| Class? Solubility class: Log S scale   | 
                                            Moderately soluble | 
| Log S (Ali)? Ali: Topological method implemented from   | 
                                            -3.0 | 
| Solubility | 0.302 mg/ml ; 0.00101 mol/l | 
| Class? Solubility class: Log S scale   | 
                                            Soluble | 
| Log S (SILICOS-IT)? SILICOS-IT: Fragmental method calculated by   | 
                                            -3.61 | 
| Solubility | 0.0727 mg/ml ; 0.000243 mol/l | 
| Class? Solubility class: Log S scale   | 
                                            Soluble | 
| GI absorption? Gatrointestinal absorption: according to the white of the BOILED-Egg  | 
                                            High | 
| BBB permeant? BBB permeation: according to the yolk of the BOILED-Egg  | 
                                            Yes | 
| P-gp substrate? P-glycoprotein substrate: SVM model built on 1033 molecules (training set)   | 
                                            No | 
| CYP1A2 inhibitor? Cytochrome P450 1A2 inhibitor: SVM model built on 9145 molecules (training set)  | 
                                            Yes | 
| CYP2C19 inhibitor? Cytochrome P450 2C19 inhibitor: SVM model built on 9272 molecules (training set)  | 
                                            No | 
| CYP2C9 inhibitor? Cytochrome P450 2C9 inhibitor: SVM model built on 5940 molecules (training set)  | 
                                            Yes | 
| CYP2D6 inhibitor? Cytochrome P450 2D6 inhibitor: SVM model built on 3664 molecules (training set)  | 
                                            No | 
| CYP3A4 inhibitor? Cytochrome P450 3A4 inhibitor: SVM model built on 7518 molecules (training set)  | 
                                            No | 
| Log Kp (skin permeation)? Skin permeation: QSPR model implemented from   | 
                                            -6.06 cm/s | 
| Lipinski? Lipinski (Pfizer) filter: implemented from   | 
                                            0.0 | 
| Ghose? Ghose filter: implemented from   | 
                                            None | 
| Veber? Veber (GSK) filter: implemented from   | 
                                            0.0 | 
| Egan? Egan (Pharmacia) filter: implemented from   | 
                                            0.0 | 
| Muegge? Muegge (Bayer) filter: implemented from   | 
                                            1.0 | 
| Bioavailability Score? Abbott Bioavailability Score: Probability of F > 10% in rat   | 
                                            0.55 | 
| PAINS? Pan Assay Interference Structures: implemented from   | 
                                            0.0 alert | 
| Brenk? Structural Alert: implemented from   | 
                                            1.0 alert: heavy_metal | 
| Leadlikeness? Leadlikeness: implemented from   | 
                                            No; 1 violation:MW<0.0 | 
| Synthetic accessibility? Synthetic accessibility score:  from 1 (very easy) to 10 (very difficult)  | 
                                            2.21 | 
* All experimental methods are cited from the reference, please refer to the original source for details. We do not guarantee the accuracy of the content in the reference.

| Yield | Reaction Conditions | Operation in experiment | 
|---|---|---|
| 86% | With potassium hydrogen difluoride; dihydrogen peroxide; In water; N,N-dimethyl-formamide; at 20℃; for 16h; | General procedure: [00184] To C (79,3 mg, 0.189 mmol) in DMF (0.6 ml.) was added KHF2 (44.3 mg, 0.567 mmol, 3.0 equiv) and H202 (56 of 30percent w/w in H20, 0,49 mmol, 2.6 equiv), and the mixture was stirred at room temperature for 16 h and then partitioned between H20 and ethyl acetate (4 mL each). The organic layer was separated, and the aqueous layer was extracted with ethyl acetate (4 mL). The combined organic layer was washed with H20 (3 mL) and brine (2 mL), dried over MgS04, and concentrated. The residue was purified by flash column chromatography (0 -> 50percent ethyl acetate in hexanes) to afford the product as a colorless solid (35.3 mg, 87percent yield). : 1 NMR (500 MHz, CDCk) delta 7.62 (s, 1H), 7.46 - 7.42 (m, 1H), 7.25 (d, J= 0.9 Hz, IH), 6.55 (bs, IH), 2.59 (s, 3H). 13C MR (126 MHz, CDCI3) delta 197.94 (s), 157.18 (s), 139.47 (s), 124.30 (s), 123.89 (s), 123.30 (s), 113.94 (s), 26.96 (s). HRMS (ESI-) calcd for [C8H6Br02-] ( -H+): 212.9557, found: 212.9557. | 
| Yield | Reaction Conditions | Operation in experiment | 
|---|---|---|
| 59% | With potassium carbonate; In N,N-dimethyl-formamide; at 0 - 20℃; for 44h; | <strong>[570391-20-7]3-Bromo-5-iodo-phenol</strong> (8.48 g, 28.37 mmol) was dissolved in DMF (50 mL) under dry argon and cooled to 0° C. Then potassium carbonate (3.92 g, 28.37 mmol) was added, followed by drop wise addition of 4-methoxybenzyl chloride (3.7 mL, 27.0 mmol). The mixture was slowly warmed to room temperature and stirred for 20 h. Additional 4-methoxybenzyl chloride (0.19 mL, 1.4 mmol) was added and the mixture was stirred for additional 24 h at room temperature. The reaction mixture was diluted with tert-butylmethyl ether (300 mL) and water (150 mL). The layers were separated and the aqueous one extracted with tert-butylmethyl ether (2.x.150 mL). The combined organics were washed with water and brine (150 mL), dried (Na2SO4) and concentrated to give the crude product which was purified by flash chromatography on silica gel (330 g, AcOEt/heptane 1:9). 1-Bromo-3-iodo-5-(4-methoxy-benzyloxy)-benzene (8.80 g, 59percent, purity 80percent, HPLC 220 nm) was obtained as a yellow oil. | 
| 59% | With potassium carbonate; In N,N-dimethyl-formamide; at 0 - 20℃; for 44h; | 1-Bromo-3-iodo-5-(4-methoxy-benzyloxy)-benzene<strong>[570391-20-7]3-Bromo-5-iodo-phenol</strong> (8.48 g, 28.37 mmol) was dissolved in DMF (50 mL) under dry argon and cooled to 0° C. Then potassium carbonate (3.92 g, 28.37 mmol) was added, followed by drop wise addition of 4-methoxybenzyl chloride (3.7 mL, 27.0 mmol). The mixture was slowly warmed to room temperature and stirred for 20 h. Additional 4-methoxybenzyl chloride (0.19 mL, 1.4 mmol) was added and the mixture was stirred for additional 24 h at room temperature. The reaction mixture was diluted with tert-butylmethyl ether (300 mL) and water (150 mL). The layers were separated and the aqueous one extracted with tert-butylmethyl ether (2.x.150 mL). The combined organics were washed with water and brine (150 mL), dried (Na2SO4) and concentrated to give the crude product which was purified by flash chromatography on silica gel (330 g, AcOEt/heptane 1:9). 1-Bromo-3-iodo-5-(4-methoxy-benzyloxy)-benzene (8.80 g, 59percent, purity 80percent, HPLC 220 nm) was obtained as a yellow oil. | 
| 59% | With potassium carbonate; In N,N-dimethyl-formamide; at 0 - 20℃; for 44h; | [0357] 3-Bromo-5-iodo-rhohenol (8.48 g, 28.37 mmol) was dissolved in DMF(50 niL) under dry argon and cooled to 0°C. Then potassium carbonate (3.92 g, 28.37 mmol) was added, followed by drop wise addition of 4- methoxybenzyl chloride (3.7 mL, 27.0 mmol). The mixture was slowly warmed to room temperature and stirred for 20 h. Additional 4-methoxybenzyl chloride (0.19 mL, 1.4 mmol) was added and the mixture was stirred for additional 24 h at room temperature. The reaction mixture was diluted with fert-butylmethyl ether (300 mL) and water (150 mL). The layers were separated and the aqueous one extracted with tert-butylmethyl ether (2 x 150 mL). The combined organics were washed with water and brine (150 mL), dried (Na2SO4) and concentrated to give the crude product which was purified by flash chromatography on silica gel (330 g, AcOEt/heptane 1:9). 1-Bromo- 3-iodo-5-(4-methoxy-benzyloxy)-benzene (8.80 g, 59 percent, purity 80percent, HPLC 220 nm) was obtained as a yellow oil. | 
| Yield | Reaction Conditions | Operation in experiment | 
|---|---|---|
| 96% | With hydrogen bromide; acetic acid;tetrabutylammomium bromide; for 48h;Heating / reflux; | 1-Bromo-3-iodo-5-methoxy-benzene (6.29 g, 20.1 mmol) was suspended in a solution of hydrogen bromide in acetic acid (33percent, 150 mL). Tetrabutylammonium bromide (0.5 g, 1.55 mmol) was added and the mixture was heated to reflux under vigorous stirring for 2 d. After cooling to room temperature the mixture was extracted with methylene chloride (3.x.100 mL). The combined organic layers were washed with water (50 mL), dried (MgSO4) and concentrated to give the crude product which was purified by flash chromatography on silica gel (300 g, AcOEt/heptane 1:9). 3-Bromo-5-iodo-phenol (21.2 g, 96percent) was obtained as pale brown solid. | 
| 96% | With tetrabutylammomium bromide; hydrogen bromide; acetic acid; for 48h;Heating / reflux; | 3-Bromo-5-iodo-phenol1-Bromo-3-iodo-5-methoxy-benzene (6.29 g, 20.1 mmol) was suspended in a solution of hydrogen bromide in acetic acid (33percent, 150 mL). Tetrabutylammonium bromide (0.5 g, 1.55 mmol) was added and the mixture was heated to reflux under vigorous stirring for 2 d. After cooling to room temperature the mixture was extracted with methylene chloride (3.x.100 mL). The combined organic layers were washed with water (50 mL), dried (MgSO4) and concentrated to give the crude product which was purified by flash chromatography on silica gel (300 g, AcOEt/heptane 1:9). 3-Bromo-5-iodo-phenol (21.2 g, 96percent) was obtained as pale brown solid. | 
| 96% | With tetrabutylammomium bromide; hydrogen bromide; In acetic acid; for 48h;Heating / reflux; | [0355] l-Bromo-3-iodo-5-methoxy-benzene (6.29 g, 20.1 mmol) was suspended in a solution of hydrogen bromide in acetic acid (33 percent, 150 mL). Tetrabutylammonium bromide (0.5 g, 1.55 mmol) was added and the mixture was heated to reflux under vigorous stirring for 2 d. After cooling to room temperature the mixture was extracted with methylene chloride (3 x 100 mL). The combined organic layers were washed with water (50 mL), dried (MgSO4) and concentrated to give the crude product which was purified by flash chromatography on silica gel (300 g, AcOEt/heptane 1:9). 3-Bromo-5-iodo- phenol (21.2 g, 96 percent) was obtained as pale brown solid. | 
| Yield | Reaction Conditions | Operation in experiment | 
|---|---|---|
| 99% | With potassium carbonate; In 1-methyl-pyrrolidin-2-one; at 70℃; for 1h;Inert atmosphere; | Step 1: A mixture of <strong>[570391-20-7]3-bromo-5-iodophenol</strong> (1.40 g, 4.68 mmol), benzyl bromide (0.89 g, 5.20 mmol) and anhydrous K2CO3 (1.44 g, 10.4 mmol) in anhydrous NMP (8 mL) was stirred under argon at + 70 0C for 1 hour. The reaction mixture was partitioned between aqueous NH4Cl and hexanes. Aqueous layer was additionally extracted with hexanes and combined organic layers were washed with IN NaOH, brine, dried over anhydrous MgSO4 and concentrated under reduced pressure to give l-(benzyloxy)-3-bromo-5-iodobenzene as a colorless oil. Yield (2.14 g, 99percent); 1H NMR (400 MHz, <n="235"/>CDCl3) delta 7.45 (t, J = 1.4 Hz, IH), 7.32-7.40 (m, 5H), 7.26 (dd, J = 1.4, 2.2 Hz, IH), 7.09 (t, J= 2.0 Hz, IH), 5.00 (s, 2H). | 
| 99% | With potassium carbonate; In acetonitrile; for 18h; | Benzyl bromide (4.78 ml, 40.1 mmol) was added to a slurry of <strong>[570391-20-7]3-bromo-5-iodophenol</strong> (10.00g, 33.5 mmol) and potassium carbonate (13.87 g, 100 mmol) in acetonitrile (33.5ml). The resulting mixture was stirred for 18 h. Water and excess EtOAc was added. The organics were washed with water (2x) and brine (lx). The combined washes were back- extracted using EtOAc (2x). The combined organics were dried over Mg504, filtered, and concentrated to afford 1-(benzyloxy)-3-bromo-5-iodobenzene (14.06 g, 33.3 mmol, 99 percentyield) as an orange oil. MS (mlz) 388.9 (M+H). | 
| 50% | Step 1: 1 -(benzyloxy)-3-bromo-5-iodobenzene To a solution of <strong>[570391-20-7]3-bromo-5-iodophenol</strong> (1.5 g, 5 mmol) in DMF (10 ml) was added K2003 (0.83 g, 6 mmol). The reaction mixture was then heated at 50 C for 30 minutes before the addition of KI (0.08 g, 0.5 mmol) and (bromomethyl)benzene (0.93 g, 5.4 mmol). The reaction continued to stir for 18 hours at 65 00. The mixture was poured intowater and extracted with EtOAc (3 x 100 ml). The combined organic layers were washedwith water (3 x 50 ml), brine, dried over Na2504, filtered and concentrated in vacuo. Theresultant residue was purified via flash column chromatography (0-10 percent EtOAc:Hexane)to afford the title compound as a yellow oil (1.3 g, 50percent yield). MS (mlz) 391.3 (M+H). | 
| 50% | To a solution of <strong>[570391-20-7]3-bromo-5-iodophenol</strong> (1.5 g, 5 mmol) in DMF (10 ml) was added K2CO3 (0.83 g, 6 mmol). The reaction mixture was then heated at 50° C. for 30 minutes before the addition of KI (0.08 g, 0.5 mmol) and (bromomethyl)benzene (0.93 g, 5.4 mmol). The reaction continued to stir for 18 hours at 65° C. The mixture was poured into water and extracted with EtOAc (3*100 ml). The combined organic layers were washed with water (3*50 ml), brine, dried over Na2SO4, filtered and concentrated in vacuo. The resultant residue was purified via flash column chromatography (0-10percent EtOAc:Hexane) to afford the title compound as a yellow oil (1.3 g, 50percent yield). MS (m/z) 391.3 (M+H+). | 

| Yield | Reaction Conditions | Operation in experiment | 
|---|---|---|
| 100% | With potassium carbonate; In acetonitrile; at 80℃; | Step 1: 1-bromo-3-ethoxy-5-iodobenzene To a 250 ml flask was added CH3CN (158 ml), <strong>[570391-20-7]3-bromo-5-iodophenol</strong> (12.1 g, 40.5 mmol), potassium carbonate (28.0 g, 202 mmol), and iodoethane (3.60 ml, 44.5mmol). The mixture was heated to 80 00 overnight and then cooled to room temperature. The reaction was filtered and the solids washed with CH3CN. The filtrate was concentrated and the residue was stirred with hexanes, then filtered and the solid washed with hexanes. The hexanes was concentrated to to give the title compound as a yellow oil (13.2 g, 100 percent yield). MS (mlz) 328.9 (M+2). | 
| 100% | With potassium carbonate; In acetonitrile; at 80℃; | To a 250 ml flask was added CH3CN (158 ml), <strong>[570391-20-7]3-bromo-5-iodophenol</strong> (12.1 g, 40.5 mmol), potassium carbonate (28.0 g, 202 mmol), and iodoethane (3.60 ml, 44.5 mmol). The mixture was heated to 80° C. overnight and then cooled to room temperature. The reaction was filtered and the solids washed with CH3CN. The filtrate was concentrated and the residue was stirred with hexanes, then filtered and the solid washed with hexanes. The hexanes was concentrated to give the title compound as a yellow oil (13.2 g, 100percent yield). MS (m/z) 328.9 (M+2+). | 
| 100% | With potassium carbonate; In acetonitrile; at 80℃; | To a 250 ml flask was added acetonitrile (158 ml), <strong>[570391-20-7]3-bromo-5-iodophenol</strong> (12.1 g,40.5 mmol), potassium carbonate (28.0 g, 202 mmol), and iodoethane (3.60 ml, 44.5 mmol).The reaction was heated at 80 00 overnight and then cooled to room temperature. The reaction was filtered and the solids washed with acetonitrile. The filtrate was concentrated and the residue was stirred with hexanes, then filtered and the solid washed with hexanes. The hexanes were concentrated to give the title compound as a yellow oil (13.2 g, 100 percentyield). MS (mlz) 328.9 (M+2). | 
| 98% | With potassium carbonate; In acetonitrile; at 80℃; | Step 1 : 1-bromo-3-ethoxy-5-iodobenzene To a solution containing <strong>[570391-20-7]3-bromo-5-iodophenol</strong> (15 g, 50.2 mmol) in CH3CN (201 mL) was added K2C03 (34.7 g, 251 mmol) followed by iodoethane (4.46 mL, 55.2 mmol). The white suspension was heated to reflux at 80 °C overnight. The reaction was filtered and washed with CH3CN. The filtrate was concentrated and stirred in hexanes, and filtered washing with excess hexanes. The filtrate was concentrated to obtain the title compound as a yellow oil (16.1 g, 98 percent yield). | 
