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CAS No. : | 20357-70-4 | MDL No. : | MFCD00012313 |
Formula : | C13H10O2 | Boiling Point : | - |
Linear Structure Formula : | - | InChI Key : | - |
M.W : | 198.22 | Pubchem ID : | - |
Synonyms : |
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Signal Word: | Class: | ||
Precautionary Statements: | UN#: | ||
Hazard Statements: | Packing Group: |
* 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 |
---|---|---|
98% | With L-Selectride In tetrahydrofuran at 67℃; for 48h; | |
95% | With 1-n-butyl-3-methylimidazolim bromide; toluene-4-sulfonic acid; 1-butyl-3-methylimidazolium Tetrafluoroborate at 115℃; for 10h; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
Multi-step reaction with 2 steps 1: aqueous nitric acid; acetic acid 2: aqueous hydrochloric acid; tin (II)-chloride | ||
Multi-step reaction with 2 steps 1: aqueous nitric acid; chlorobenzene 2: Raney nickel; ethanol / Hydrogenation.unter Druck |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
100% | With sodium hydride In tetrahydrofuran at 0 - 20℃; for 1h; | Preparation of 2-methoxydibenzo[b,d]furan (3) To a solution of compound 2 (1.84 g, 0.01 mol) in dry THF, NaH (0.28 g,0.012 mol) was added at 0°C. After stirring the reaction mixture for 10 min, ICH3 (1.70 g, 0.012 mol) was added and stirring was continued at RT for 1 h. After completion of the reaction (monitored by TLC), the mixture was carefully quenched with water and extracted with CH2Cl2 (2 x 50 mL). The combined organic layerswere dried with Na2SO4 and the solvent was evaporated under reduced pressure. Chromatographic purification of the crude reaction mixture (on silica gel using 90:10, hexane:CH2Cl2 as eluent) gave 3 in quantitative yield as a yellow liquid which upon standing at -10°C turned into a white solid. 1H NMR (CDCl3, 400 MHz): δ 7.92 (d, J = 7.0 Hz, 1H), 7.55 (d, J = 8.3 Hz,1H), 7.49-7.41 (multiple peaks, 3H), 7.33 (td, J = 7.3 and 0.7 Hz, 1H), 7.05 (dd,J = 9.0 and 2.6 Hz, 1H), 3.92 (s, 3H). |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
89% | With potassium phosphate; dicyclohexyl-(2′,4′,6′-triisopropyl-3,6-dimethoxy-[1,1′-biphenyl]-2-yl)phosphine; palladium(II) acetylacetonate In toluene at 150 - 160℃; for 24h; Inert atmosphere; Sealed tube; |