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CAS No. : | 628692-15-9 | MDL No. : | MFCD03094664 |
Formula : | C5H7BN2O3 | Boiling Point : | No data available |
Linear Structure Formula : | - | InChI Key : | YPWAJLGHACDYQS-UHFFFAOYSA-N |
M.W : | 153.93 | Pubchem ID : | 2736778 |
Synonyms : |
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Signal Word: | Warning | Class: | |
Precautionary Statements: | P264-P270-P280-P301+P312+P330-P305+P351+P338-P337+P313-P501 | UN#: | |
Hazard Statements: | H302-H319 | 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 |
---|---|---|
EXAMPLE 1 2-Methoxy-5-(3-(((4-phenylpiperidin-4-yl)methoxy)methyl)-5-(trifluoromethyl)phenyl)pyrimidine. tert-Butyl 4-((3-bromo-5-(trifluoromethyl)benzyloxy)methyl)-4-phenylpiperidine-1-carboxylate (60. 0 mg, 0.11 mmol), 2-methoxy-5-pyridine boronic acid (72.0 mg, 0.47 mmol), and tetrakis(triphenylphosphine) palladium(0) (17.1 mg, 0.011 mmol) were combined in dry tetrahydrofuran (2 mL) in a microwave tube and sealed. The mixture was flushed with nitrogen then 0.35 mL of a 1 N potassium hydroxide aqueous solution was introduced. The mixture was heated at 120° C. for 1 h via microwave. After cooling to room temperature, the reaction mixture was concentrated and treated with a trifluoroacetic acid/methylene chloride mixture (1:1, 2 mL) for 1 h. The solvent was removed in vacuo and the resulting crude mixture passed through a strong cation exchange column. After washing the column with several volumes of methanol, the product was eluted by washing the column with 2 M ammonia in methanol. Concentration and preparative HPLC afforded 21.0 mg (42percent) of the desired compound as its TFA salt. 1H-NMR (CDCl3, 500 MHz) delta 8.57 (s, 2H), 7.54 (s, 1H), 7.25-7.31 (m, 8H), 4.40 (s, 2H), 4.03 (s, 3H), 3.40 (s, 2H), 2.83-2.88 (m, 2H), 2.64-2.69 (m, 2H), 2.10-2.18 (m, 2H), 1.77-1.86 (m, 2H). Mass spec.: 458.18 (MH)+. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
95% | With potassium carbonate;tetrakis(triphenylphosphine) palladium(0); In 1,4-dioxane; water; at 100℃; for 8h; | A mixture of 6-(methyloxy)-3-pyridinyl]boronic acid (225 mg, 1.5 mmol), 4- iodo-6-quinolinecarbaldehyde (283 mg, 1 mmol), tetrakistriphenylphosphine palladium (0) (57 mg, 0.05 mmol), 2 M aqueous K2CO3 (2.5 ml. of a 2 M solution), and dioxane (5 ml.) ) was heated at 100 0C for 8 h and cooled to room temperature. The dioxane was removed under reduced pressure and the residue dissolved in 2:1 mixture of methylene chloride/water and the solution filtered. The organic layer was separated and dried with sodium sulfate and the crude product obtained by decanting the solution and evaporation of the methylene chloride. The crude product was purified by silica gel chromatography eluting with methylene chloride/methanol (0-1percent methanol gradient) to give the title compound (250 mg, 95 percent). MS(ES)+ m/e 265 [M+H]+. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
EXAMPLE 133A 3-(4-aminophenyl)-7-(2-methoxy-5-pyrimidinyl)thieno[3,2-c]pyridin-4-amine The desired product was prepared by substituting 2-methoxy-5-pyrimidinylboronic acid for 4-pyridylboronic acid in Examples 121A-B. MS (ESI(+)) m/e 350 (M+H)+. |
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