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CAS No. : | 1479-58-9 | MDL No. : | MFCD00038380 |
Formula : | C13H9BrFNO | Boiling Point : | No data available |
Linear Structure Formula : | - | InChI Key : | XCOKDXNGCQXFCV-UHFFFAOYSA-N |
M.W : | 294.12 | Pubchem ID : | 73865 |
Synonyms : |
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Signal Word: | Warning | Class: | |
Precautionary Statements: | P261-P305+P351+P338 | UN#: | |
Hazard Statements: | H315-H319-H335 | Packing Group: | |
GHS Pictogram: |
* 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 |
---|---|---|
79% | With dicyclohexyl-carbodiimide; In dichloromethane; at 0 - 20℃; for 8.5h; | {1-[4-Bromo-2-(2-fluoro-benzoyl)-phenylcarbamoyl]-ethyl}-carbamic acid tert-butyl ester 116.; To a stirred solution of <strong>[1479-58-9](2-amino-5-bromophenyl)-(2-fluoro-phenyl)-methanone</strong> (60 g, 204 mmol) 115 and the N-Boc-L-alanine 107 (38.59 g, 204 mmol) in CH2Cl2 (500 mL) was added dicyclohexylcarbodiimide (DCC) (42.09 g, 204 mmol) in CH2Cl2 (200 mL) dropwise, over a 30 min period at 0° C. The reaction mixture was allowed to stir an additional 8 h at rt. The dicyclohexyl urea which formed was filtered off and the filtrate concentrated under reduced pressure. The crude solid residue 116 was purified by recrystallization from hexane and EtOAc to afford 116 (74.9 g, 79percent). mp 158-159° C.; IR (KBr, cm-1) 3332, 2931, 255, 1694, 1643, 1613, 1582, 1537, 1450; 1H NMR (CDCl3) delta 11.68 (s, 1H), 8.71 (d, J=9.0 Hz, 1H), 7.69 (dd, J=9.0, 2.3 Hz, 1H), 7.55-7.62 (m, 2H), 7.46 (td, J=7.6, 1.4 Hz, 1H), 7.30 (t, J=7.5 Hz, 1H), 7.21 (t, J=9.1 Hz, 1H), 5.13 (b, 1H), 4.37 (b, 1H), 1.51 (d, J=7.2 Hz, 3H), 1.45 (S, 9H). MS (EI) m/e (relative intensity) 467 (M++2, 14), 466 (M++1, 44), 465 (M+, 14), 464 (42), 329 (15), 321 (60), 295 (100), 224 (26); [alpha]26D=-59.1 (c 0.51, EtOAc). |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
77% | With dicyclohexyl-carbodiimide; In dichloromethane; at 0 - 20℃; for 8.5h; | {1-[4-Bromo-2-(2-fluorobenzoyl)-phenylcarbamoyl]-ethyl}-carbamic acid tert-butyl ester 136; To a stirred solution of (2-amino-5-bromophenyl)-(2'-fluoro-phenyl)-methanone 115 (60 g, 204 mmol) and the N-Boc-D-alanine 129 (38.59 g, 204 mmol) in CH2Cl2 (500 mL) was added dicyclohexylcarbodiimide (DCC) (42.09 g, 204 mmol) in CH2Cl2 (200 mL) dropwise, over a 30 min period at 0° C. The reaction mixture was allowed to stir an additional 8 h at rt. The dicyclohexyl urea which formed was filtered off and the filtrate concentrated under reduced pressure. The crude solid product 136 was purified by recrystallization from hexane and EtoAc to afford 136 (73 g, 77percent). mp 158-159° C.; IR (KBr, cm-1) 3332, 2931, 255, 1694, 1643, 1613, 1582, 1537, 1450; 1H NMR (CDCl3) delta 11.68 (s, 1H), 8.71 (d, J=9.0 Hz, 1H), 7.69 (dd, J=9.0, 2.3 Hz, 1H), 7.55-7.62 (m, 2H), 7.46 (td, J=7.6, 1.4 Hz, 1H), 7.30 (t, J=7.5 Hz, 1H), 7.21 (t, J=9.1 Hz, 1H), 5.13 (b, 1H), 4.37 (b, 1H), 1.51 (d, J=7.2 Hz, 3H), 1.45 (S, 9H). MS (EI) m/e (relative intensity) 467 (M++2, 14), 466 (M++1, 44), 465 (M+, 14), 464 (42), 329 (15), 321 (60), 295 (100), 224 (26); [alpha]26D=59.6 (c 0.51, EtOAc). |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
In chloroform; for 2.0h;Heating / reflux; | Example 1, Step 1 : fluorophenyl)carbo A round-bottomed flask was charged with (2-amino-5-bromophenyl)(2- fluorophenyl)methanone (1.45g), 9/-/-fluoren-9-ylmethyl (2-chloro-2- oxoethyl)carbamate (1.6g) and chloroform (15OmL). The mixture was heated to reflux for 2h then concentrated to dryness. The residue was taken up in a mixture of EPO <DP n="26"/>a saturated solution of sodium bicarbonate and ethyl acetate. The resulting solids were collected on a filter and washed first with water then with diethyl ether. Thorough air-drying provided 9/-/-fluoren-9-ylmethyl [2-({4-bromo>-2-[(2- fluorophenyl)carbonyl] phenyl}amino)-2-oxoethyl]carbamate (2g) as a light yellow powder. H1 NMR (d6-dmso): 10.8 (br s, 1 H), 7.95 (d, 1 H), 7.75-7.90 (m, 4H), 7.45- 7.70 (m, 5H), 7.20-7.42 (m, 6H), 4.30 (d, 2H), 4.20 (t, 1 H), 3.65 (d, 2H). |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
With hydrogenchloride;3,4-dimethoxybenzene-1-sulfonyl chloride; In pyridine; water; | B) 5'Bromo-2-(3,4-dimethoxyphenylsulfonamido)-2'-fluorobenzophenone. 20 g of <strong>[1479-58-9]2-amino-5-bromo-2'-fluorobenzophenone</strong> are heated at 85° C. for 48 hours in 120 ml of dry pyridine in the presence of 20 g of 3,4-dimethoxyphenylsulfonyl chloride. The mixture is cooled, poured into ice-cold water, the solid is filtered off, the solid is extracted with AcOEt, the organic phase is washed with water, a solution of hydrochloric acid (1N), water and then saline water. After drying over magnesium sulfate and evaporating the solvent under vacuum, a solid is obtained which is recrystallized from DCM/isopropyl ether. m=28 g M.p.=125°-128° C. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
With sodium hydrogencarbonate; In chloroform; at 0℃; for 2.0h; | Example 34 Step 1.2-Bromo-N-(4-bromo-2-(2-fluorobenzoyl)phenyl)acetamide.; A mixture of <strong>[1479-58-9](2-amino-5-bromophenyl)(2-fluorophenyl)methanone</strong> (15 g, 51.0 mmol) and sodium bicarbonate (12.85 g, 153 mmol) in CHCl3 (150 mL) was cooled in an ice bath to 0° C. A solution of 2-bromoacetyl bromide (4.89 mL, 56.1 mmol) was added drop-wise slowly and washed in with CHCl3 (30 ml). The cooling was removed and the mixture was stirred for 2 hr.The reaction mixture was washed with aqueous NaHCO3 (5percent) and dried with brine. The CHCl3 was removed in vacuo and the residue was stirred with. The solid product was filtered, washed with ether and air dried to a yellow powder. The material was taken on without purification. |
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