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CAS No. : | 10035-16-2 | MDL No. : | MFCD03411182 |
Formula : | C9H6O2 | Boiling Point : | - |
Linear Structure Formula : | - | InChI Key : | LLLBDLDNTMMZHL-UHFFFAOYSA-N |
M.W : | 146.14 | Pubchem ID : | 2773875 |
Synonyms : |
|
Signal Word: | Warning | Class: | N/A |
Precautionary Statements: | P261-P305+P351+P338 | UN#: | N/A |
Hazard Statements: | H302-H315-H319-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 |
---|---|---|
63% | To a solution of benzofuran-5-carbaldehyde (526 mg, 3.6 mmol, 1.2 equiv) in MeOH (15 mL) were added NaOAc (246 mg, 3.0 mmol, 1.0 equiv), HOAc (172 muL, 3.0 mmol, 1.0 equiv) and (l,5-dimethyl-l-pyrazole-3-yl)methylamine (376 mg, 3.0 mmol, 1.0 equiv., available from Maybridge). The mixture was stirred at room temperature for 5 min, and then treated with NaBH4 (273 mg, 7.2 mmol, 2.4 equiv) at 0 0C. The resulting mixture <n="52"/>was allowed to return to room temperature and stirred for 1 h, after which time the reaction was quenched with IN NaOH. The mixture was concentrated in vacuo to remove most of the MeOH, and the water layer was extracted with ethyl acetate three times. The combined organic phase was dried over Na2SO4, filtered and concentrated in vacuo. The residue was purified on silica gel with ethyl acetate/dichloromethane/methanol 5/5/1 as eluant to afford l-(Benzofuran-5-yl)-N-((l,5-dimethyl-lH-pyrazol-3-yl)methyl)methanamine (478 mg, 63%). MS 256 (MH)+. Purity 95% (HPLC) |
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