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CAS No. : | 1206641-31-7 | MDL No. : | MFCD18383917 |
Formula : | C16H20BNO2 | Boiling Point : | No data available |
Linear Structure Formula : | - | InChI Key : | LQTZQARAJYGKBH-UHFFFAOYSA-N |
M.W : | 269.15 | Pubchem ID : | 53423523 |
Synonyms : |
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Signal Word: | Warning | Class: | |
Precautionary Statements: | P280-P305+P351+P338 | UN#: | |
Hazard Statements: | H302 | 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 |
---|---|---|
76% | With potassium phosphate; bis[tris( 1,1-dimethylethyl)phosphine]-palladium; In 1,4-dioxane; water; at 80℃; for 16.0h; | A mixture of 5-bromopyrazolo[1,5-alpyridine (0.15 g, 761.30 pmol), 1-[4-(4,4,5,5- tetramethyl- 1,3 ,2-dioxaborolan-2-yl)phenyllcyclopropanecarbonitrile (245.88 mg, 913.56 jimol), Pd(t-Bu3P)2 (58.36 mg, 114.19 pmol) and K3P04 (323.20 mg, 1.52 mmol) in dioxane (2 mL) and H20 (0.2 mL) was stirred at 80 °C for 16 hours. The crude product was cooled to r.t., dilutedwith H20 (10 mL), extracted with EtOAc (30 mL x 2). The combined organic phase was washed with brine (10 mL), dried over Na2504, filtered and concentrated to give the crude product. The crude product was purified by silica gel column (PE: EtOAc = 10:1 to 5:1 to 1:1) to give 1 -(4- pyrazolo[1,5-alpyridin-5-ylphenyl)cyclopropanecarbonitrile (150 mg, 76percent yield) as a solid. ?H NMR (400 MHz, CDC13) 011 8.53 (d, 1H), 7.99 (d, 1H), 7.72 (d, 1H), 7.64 (d, 2H), 7.41 (d, 2H),7.00 (dd, 1H), 6.58 (d, 1H), 1.83 - 1.78 (m, 2H), 1.50 - 1.46 (m, 2H). |
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