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CAS No. : | 30448-04-5 | MDL No. : | MFCD00049062 |
Formula : | C11H13NO3 | Boiling Point : | - |
Linear Structure Formula : | - | InChI Key : | - |
M.W : | 207.23 | Pubchem ID : | - |
Synonyms : |
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Signal Word: | Warning | Class: | N/A |
Precautionary Statements: | P280-P305+P351+P338 | UN#: | N/A |
Hazard Statements: | H302-H317 | 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 |
---|---|---|
30% | With caesium carbonate; copper(II) oxide In N,N-dimethyl-formamide for 24h; Inert atmosphere; Reflux; | 4.1.1. 4,5,6-Trimethoxy-1'-methyl-1’H-[1,4']biindolyl (13) To a stirred mixture of 21 (0.25 g, 1.21 mmol), 4-bromo-1-methylindole (0.31 g, 1.45 mmol), cesium carbonate (0.79 g, 2.41 mmol) and copper oxide (0.01 g, 0.12 mmol) in DMF (2 mL) was refluxed for 24 h. After cooling, the reaction was quenched with water and extracted with EtOAc. The combined organic layer was dried over anhydrous MgSO4, concentrated under reduced pressure and purified by silica gel flash column chromatography (EtOAc : n-hexane = 1 : 3) to afford compound 13 as a pale white solid (0.12 g, 30%); mp 107-108 °C; 1H NMR (500 MHz, CDCl3) δ 3.75 (s, 3H), 3.86 (s, 3H), 3.91 (s, 3H), 4.17 (s, 3H), 6.39 (d, J = 3.0 Hz, 1H), 6.67 (s, 1H), 6.75 (d, J = 3.0 Hz, 1H), 7.08 (d, J = 3.0 Hz, 1H), 7.21 (dd, J = 1.0, 7.0 Hz, 1H), 7.30 (d, J = 3.0 Hz, 1H), 7.33 (dd, J = 7.0, 8.0 Hz, 1H), 7.37 (d, J = 8.0, 1H). MS (EI) m/z: 336 (M+, 100%), 321 (78%). HRMS-EI for C20H20N2O3 (M+): calcd, 336.1474; found, 336.1474; 13C NMR (100 MHz, DMSO): δ 32.7, 55.8, 60.4, 60.8, 89.6, 98.3, 100.2, 109.0, 115.2, 115.3, 121.5, 123.4, 127.1, 130.4, 131.0, 132.5, 135.4, 137.9, 145.2, 150.5. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
6.4% | With caesium carbonate; copper(II) oxide; In N,N-dimethyl-formamide; for 24h;Inert atmosphere; Reflux; | General procedure: To a stirred mixture of 21 (0.25 g, 1.21 mmol), 4-bromo-1-methylindole (0.31 g, 1.45 mmol), cesium carbonate (0.79 g, 2.41 mmol) and copper oxide (0.01 g, 0.12 mmol) in DMF (2 mL) was refluxed for 24 h. After cooling, the reaction was quenched with water and extracted with EtOAc. The combined organic layer was dried over anhydrous MgSO4, concentrated under reduced pressure and purified by silica gel flash column chromatography (EtOAc : n-hexane = 1 : 3) to afford compound 13 as a pale white solid (0.12 g, 30%) |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
43% | With caesium carbonate; copper(II) oxide; In N,N-dimethyl-formamide; for 24h;Inert atmosphere; Reflux; | General procedure: To a stirred mixture of 21 (0.25 g, 1.21 mmol), 4-bromo-1-methylindole (0.31 g, 1.45 mmol), cesium carbonate (0.79 g, 2.41 mmol) and copper oxide (0.01 g, 0.12 mmol) in DMF (2 mL) was refluxed for 24 h. After cooling, the reaction was quenched with water and extracted with EtOAc. The combined organic layer was dried over anhydrous MgSO4, concentrated under reduced pressure and purified by silica gel flash column chromatography (EtOAc : n-hexane = 1 : 3) to afford compound 13 as a pale white solid (0.12 g, 30percent) |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
43% | With caesium carbonate; copper(II) oxide; In N,N-dimethyl-formamide; for 24h;Inert atmosphere; Reflux; | General procedure: To a stirred mixture of 21 (0.25 g, 1.21 mmol), 4-bromo-1-methylindole (0.31 g, 1.45 mmol), cesium carbonate (0.79 g, 2.41 mmol) and copper oxide (0.01 g, 0.12 mmol) in DMF (2 mL) was refluxed for 24 h. After cooling, the reaction was quenched with water and extracted with EtOAc. The combined organic layer was dried over anhydrous MgSO4, concentrated under reduced pressure and purified by silica gel flash column chromatography (EtOAc : n-hexane = 1 : 3) to afford compound 13 as a pale white solid (0.12 g, 30%) |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
22% | With caesium carbonate; copper(II) oxide; In N,N-dimethyl-formamide; for 24h;Inert atmosphere; Reflux; | General procedure: To a stirred mixture of 21 (0.25 g, 1.21 mmol), 4-bromo-1-methylindole (0.31 g, 1.45 mmol), cesium carbonate (0.79 g, 2.41 mmol) and copper oxide (0.01 g, 0.12 mmol) in DMF (2 mL) was refluxed for 24 h. After cooling, the reaction was quenched with water and extracted with EtOAc. The combined organic layer was dried over anhydrous MgSO4, concentrated under reduced pressure and purified by silica gel flash column chromatography (EtOAc : n-hexane = 1 : 3) to afford compound 13 as a pale white solid (0.12 g, 30%) |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
With caesium carbonate; copper(II) oxide; In N,N-dimethyl-formamide; for 24h;Inert atmosphere; Reflux; | General procedure: To a stirred mixture of 21 (0.25 g, 1.21 mmol), 4-bromo-1-methylindole (0.31 g, 1.45 mmol), cesium carbonate (0.79 g, 2.41 mmol) and copper oxide (0.01 g, 0.12 mmol) in DMF (2 mL) was refluxed for 24 h. After cooling, the reaction was quenched with water and extracted with EtOAc. The combined organic layer was dried over anhydrous MgSO4, concentrated under reduced pressure and purified by silica gel flash column chromatography (EtOAc : n-hexane = 1 : 3) to afford compound 13 as a pale white solid (0.12 g, 30%) |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
64% | With caesium carbonate; copper(II) oxide; In N,N-dimethyl-formamide; for 24h;Inert atmosphere; Reflux; | General procedure: To a stirred mixture of 21 (0.25 g, 1.21 mmol), 4-bromo-1-methylindole (0.31 g, 1.45 mmol), cesium carbonate (0.79 g, 2.41 mmol) and copper oxide (0.01 g, 0.12 mmol) in DMF (2 mL) was refluxed for 24 h. After cooling, the reaction was quenched with water and extracted with EtOAc. The combined organic layer was dried over anhydrous MgSO4, concentrated under reduced pressure and purified by silica gel flash column chromatography (EtOAc : n-hexane = 1 : 3) to afford compound 13 as a pale white solid (0.12 g, 30%) |