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CAS No. : | 56602-33-6 | MDL No. : | MFCD00011948 |
Formula : | C12H22F6N6OP2 | Boiling Point : | - |
Linear Structure Formula : | - | InChI Key : | MGEVGECQZUIPSV-UHFFFAOYSA-N |
M.W : | 442.28 | Pubchem ID : | 151348 |
Synonyms : |
|
Chemical Name : | ((1H-Benzo[d][1,2,3]triazol-1-yl)oxy)tris(dimethylamino)phosphonium hexafluorophosphate(V) |
Signal Word: | Danger | Class: | 4.1 |
Precautionary Statements: | P210-P240-P241-P261-P264-P271-P280-P302+P352-P304+P340+P312-P332+P313-P370+P378-P403+P233-P405-P501 | UN#: | 1325 |
Hazard Statements: | H228-H315-H335 | Packing Group: | Ⅱ |
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 |
---|---|---|
With hydrogenchloride; trifluoroacetic acid; In hexane; dichloromethane; ethyl acetate; N,N-dimethyl-formamide; | (27c) 4-Chlorobenzoic acid (258 mg) was dissolved in DMF (8 mL) prior to the addition of Hunig's base (1.0 mL). After cooling to 0 C., BOP Reagent (729 mg) was added. This was stirred for 15 min before (1S,2R)-1-(N-(t-butoxycarbonyl))-1,2-cyclopentanediamine, (27b), (300 mg) was added as a DMF solution (2 mL). The resulting mixture warmed to rt and was stirred overnight. EtOAc was added along with 1 N HCl solution. The EtOAc layer was washed with 1 N HCl, NaHCO3 solution, and brine. The EtOAc was dried (MgSO4), filtered, and concentrated. The resulting material was dissolved in CH2Cl2 (10 mL) and cooled to 0 C. TFA (1.2 mL) was added and the reaction was stirred for 2 h. This solution was concentrated prior to the addition of DMF (8 mL). After cooling to 0 C., Hunig's base (1 mL) and <strong>[17794-48-8][[3-(trifluoromethyl)benzoyl]amino]acetic acid</strong> (386 mg) were added. BOP Reagent (655 mg) was added next, and the mixture was stirred overnight. EtOAc was added along with 1 N HCl solution. The EtOAc layer was washed with 1 N HCl, NaHCO3 solution, and brine. The EtOAc was dried (MgSO4), filtered, and concentrated. This was stirred in 1:1 EtOAc/hexane and then filtered to give the title benzamide N-[2-[[(1S,2R)-2-[(4-chlorobenzoyl)amino]cyclopentyl]amino]-2-oxoethyl]-3-(trifluoromethyl)benzamide (310 mg) as a solid. MS found: (M+H)+=468.2. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
57% | In water; N,N-dimethyl-formamide; | Example 3 Preparation of N-(3-hydroxypropyl)-2-anthraquinonecarboxamide (2) To a stirred suspension of <strong>[117-78-2]anthraquinone-2-carboxylic acid</strong> (Aldrich, 10.00 g, 39.64 mmol) in DMF (130 ml), was added (benzotriazol-1-yloxy)tris(dimethylamino)-phosphonium hexafluorophosphate (17.54 g, 39.66 mmol) and trethylamine (11.05 ml, 79.28 mmol). The resulting mixture (initially a clear green solution) was stirred at room temperature for 10 min. before dropwise addition of 3-amino-1-propanol (3.34 ml, 43.67 mmol). The reaction mixture (clear brown solution) was stirred at room temperature in the dark for 17 hours. The solution was poured in a thin stream into water (300 ml) containing some ice. The precipitated material was isolated by filtration and recrystallized from boiling 96percent ethanol (ca. 200 ml) and gave the title compound 2 as a bright yew solid (6.93 g, 57percent yield). 1H NMR (250 MHz, DMSO-d6) delta: 1.74 (2H, quintet, J=6.52 Hz, CH2), 3.25-3.44 (2H, m, CH2), 3.50 (2H, broad t, J=5.80 Hz, CH2), 4.53 (1H, broad s, OH), 7.76-8.00 (2H, m, Ar), 8.04-8.36 (4H, m, Ar), 8.56 (1H, d, J=1.55 Hz, Ar), 8.89 (1H, t, J=5.42 Hz, NH). 13C NMR (250 MHz, DMSO-d6) delta: 32.32, 36.96, 58.68, 125.50, 126.83, 126.85, 127.05, 132.79, 133.04, 133.08, 134.45, 134.66, 139.49, 164.62, 182.11. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
480 mg (100%) | With triethylamine; In dichloromethane; ethyl acetate; | Step A: 2(R)-t-Butoxycarbonylamino-3-(t-butoxy)-N-[2,3,4,5-tetrahydro-2-oxo-1H-1-benzazepin-3(R)-yl]propanamide To a solution of 200 mg (1.13 mmol) of 3(R)-amino-2,3,4,5-tetrahydro-1H-1-benzazepin-2-one (Example 1, Step B) in 8 mL of dry methylene chloride was added 0.206 mL (1.48 mmol) of triethylamine, 553 mg (1.25 mmol) of <strong>[248921-66-6]BOC-D-serine t-butyl ether</strong> followed by 602 mg (1.36 mmol) of benzotriazol-1-yloxytris(dimethylamino)phosphonium hexafluorophosphate. The reaction mixture was stirred at room temperature for 2 hours then diluted with 100 mL of ethyl acetate, washed with 25 mL of 5% aqueous citric acid, 25 mL of saturated sodium bicarbonate and 25 mL of brine. The organic layer was dried over magnesium sulfate, filtered and the solvents removed under vacuum. The residue was purified by flash chromatography on silica gel, eluding with ethyl acetate/hexane (55:45) to afford 480 mg (100%) of the product as a white foam. 1 H NMR (200 MHz,CDCl3): 1.20 (s,9H), 1.47 (s,9H), 1.92 (m,1H), 2.55-3.02 (m,3H), 3.38 (t,8 Hz,1H), 3.78 (m,1H), 4.15 (m,1H), 4.52 (m,1H), 5.45 (s,1H), 7.00 (m,1H), 7.10-7.35 (m,3H), 7.68 (d,4 Hz,1H), 8.05 (s,1H). FAB-MS: calculated for C22 H33 N3 O5 419; found 420 (M+H,20%), 426 (M+Li,40%). |