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CAS No. : | 85068-29-7 | MDL No. : | MFCD00009909 |
Formula : | C9H7F6N | Boiling Point : | - |
Linear Structure Formula : | - | InChI Key : | DHVHORCFFOSRBP-UHFFFAOYSA-N |
M.W : | 243.15 | Pubchem ID : | 521099 |
Synonyms : |
|
Chemical Name : | (3,5-Bis(trifluoromethyl)phenyl)methanamine |
Signal Word: | Danger | Class: | 8 |
Precautionary Statements: | P260-P264-P280-P301+P330+P331-P303+P361+P353-P304+P340+P310-P305+P351+P338+P310-P363-P405-P501 | UN#: | 3259 |
Hazard Statements: | H314 | 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 |
---|---|---|
Step 2. Preparation of (+/-) (3, 5-Bis-trifluoromethyl-benzyl)- [1- (toluene-4-sulfonyl)- 2,3, 4, 5-tetrahydro-1H-benzo [b] azepin-5-yl]-amine. A mixture of (+/-) 1- (Toluene-4-sulfonyl)-1, 2,3, 4-tetrahydro-benzo [b] azepin-5- one (500 mg, 1.58 mmol), 3,5-Bis (trifluoromethyl) benzylamine (423 mg, 1.74 mmol) and titanium (IV) isopropoxide (0.59 ml, 1.97 mmol) in diglyme (2 ml) is stirred at room temperature for 22 hours. The mixture is diluted with methanol (7 ml) and treated with sodium borohydride (90 mg, 2.37 mmol), then stirred at room temperature for 6 hours. The mixture is treated with 0. 1N aqueous NaOH (15 ml) and stirred for 10 minutes, then filtered. The filter cake is washed with 1: 1 ethanol : diethyl ether. The filtrate is diluted with water (70 ml) and extracted with ethyl acetate (2x30 ml). The combined organic extracts are washed with brine, dried (Na2SO4) and concentrated to an oil. The oil is < purified by silica gel column chromatography (eluent, 15 % ethyl acetate in hexanes) to give the title compound as a solid. Mass spectrum (ES+): 543 (M+H). |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
61% | Example 40 2,4-DICHLORO-5-N-[3',5'-BIS(TRIFLUOROMETHYL)BENZYL]PYRIMIDINE-5-CARBOXAMIDE The title compound was prepared as described in Example 1, but employing 2,4-dichloropyrimidine-5-carbonylchloride (0.10 g, 0.40 mmol) and 3,5-bistrifluoromethylbenzylamine (0.10 g, 0.45 mmol) to give the compound in a 61% yield (0.12 g); m.p. 144-145 C. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
With acetic acid; N-ethyl-N,N-diisopropylamine; N-[(dimethylamino)-3-oxo-1H-1,2,3-triazolo[4,5-b]pyridin-1-yl-methylene]-N-methylmethanaminium hexafluorophosphate; In N,N-dimethyl-formamide; at 20℃; | General procedure: 3,5-Bis(trifluoromethyl)benzylamine (1.0 equiv., 0.125 mmol,30.5 mg) was added to a solution of Boc-AA-OH (AA Tyr, 1.0 equiv.,0.125 mmol, 42 mg for Tyr), HATU (1.0 equiv., 0.125 mmol, 47.5 mg),HOAc (1.0 equiv., 0.125 mmol, 17 mg) and DIEA (4.0 equiv.,0.500 mmol, 0.087 mL) in dry DMF (1.25 mL) at room temperature. Thereaction mixture was stirred for overnight (20 h) and then quenched with 0.5Maqueous solution of KHSO4 (5 mL). It was then extracted with DCM(3 15 mL). The combined organic part was subsequently washed withbrine, saturated sodium bicarbonate and again brine. Evaporation ofDCM under reduced pressure using rotary evaporator gave the crudeproduct in quantitative yield. The Boc group was removed by treating theproduct with 80% TFA in DCM for 1 h at room temperature [36] Removalof volatiles provided the unprotected bis(trifluoromethyl)benzylaminederivative of the respective single amino acid. Washing with 1:4 solutionsof ether and hexanes (3 10 mL) provided the final product in >80%yield with <95% (HPLC) |
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