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CAS No. : | 849061-98-9 | MDL No. : | MFCD07369725 |
Formula : | C7H6BFO3 | Boiling Point : | - |
Linear Structure Formula : | - | InChI Key : | YJXJCPZHXDDRNH-UHFFFAOYSA-N |
M.W : | 167.93 | Pubchem ID : | 16217829 |
Synonyms : |
|
Signal Word: | Warning | Class: | N/A |
Precautionary Statements: | P261-P280-P305+P351+P338 | UN#: | N/A |
Hazard Statements: | H302-H315-H319-H332-H335 | Packing Group: | N/A |
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 |
---|---|---|
99% | With tetrakis(triphenylphosphine) palladium(0); sodium carbonate; In 1,2-dimethoxyethane; water; at 80℃; for 2.5h;Inert atmosphere; | General procedure: To a solution of <strong>[84539-22-0]4-(5-bromopyrimidin-2-yl)morpholine</strong> (17;4.10 g, 16.8 mmol) and ethyl [3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl]acetate (6.34 g, 21.8 mmol) in DME(82 mL)/H2O (41 mL) were added Na2CO3 (5.34 g, 50.4 mmol),and Pd(PPh3)4 (1.94 g, 1.68 mmol) under an argon atmosphere.The mixture was stirred at 80 C for 2.5 h. After being cooled toroom temperature, the mixture was diluted with H2O and EtOAc.The mixture was filtered, and the filtrate was separated. Theorganic layer was washed with H2O and brine, dried over Na2SO4,and concentrated in vacuo. The residue was purified by columnchromatography on silica gel (hexane/EtOAc = 17:3 to 3:2) and columnchromatography on amino functionalized silica gel (hexane/EtOAc = 9:1 to 7:3) to give the product (5.29 g, 96%) as a colorlesssolid. 1H NMR (DMSO-d6): d 1.19 (3H, t, J = 7.1 Hz), 3.64-3.79 (8H,m), 3.72 (2H, s), 4.10 (2H, q, J = 7.1 Hz), 7.25 (1H, d, J = 7.6 Hz),7.35-7.45 (1H, m), 7.50-7.58 (2H, m), 8.70 (2H, s); MS (ESI) m/z[M+H]+ 328. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
15% | General procedure: Amine (1 mmol) and aldehyde (1 mmol) in 5 mL of absolute ethanol refluxed for 2 h. After that,ketone (2.5 mmol) and catalytic amount of conc. hydrochloric acid was added to the reaction mixture. The reaction mixture was continued to reflux for another 6-12 h. After completion, thereaction mixture was concentrated and purified by silica gel chromatography (Hexanes/ethylacetate 95:5 to 50:50) or dichloromethane/methanol (99:01 to 80:20) to give the desired cyclized compound. |
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