Structure of 914348-94-0
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CAS No. : | 914348-94-0 |
Formula : | C15H17NO3 |
M.W : | 259.30 |
SMILES Code : | C(=O)(OC(C)(C)C)[N]2C1=CC=C(C=C1C(=C2)C=O)C |
MDL No. : | MFCD05864696 |
InChI Key : | FZPLYFQLNOVYNL-UHFFFAOYSA-N |
Pubchem ID : | 40428521 |
GHS Pictogram: |
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Signal Word: | Warning |
Hazard Statements: | H302-H315-H319-H335 |
Precautionary Statements: | P261-P305+P351+P338 |
* 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 |
---|---|---|
14% | With 3-benzyl-5-(2-hydroxyethyl)-4-methyl-1,3-thiazol-3-ium chloride; triethylamine; In ethanol; at 70℃; for 48h;Sealed tube; | General procedure: To a solution of 3-benzyl-5-(2-hydroxyethyl)-4-methylthiazol-3-ium chloride in ethanol was added triethylamine and the mixture was stirred at 70 C for 5 min. To the resulting yellow solution were added an aldehyde and a solution of an imine in ethanol. The reaction mixture was stirred in a sealed tube at 50 - 70 C for 18 - 120 h. The reaction mixture was concentrated under reduced pressure and the crude material was purified by flash chromatography on silica gel or precipitation. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
0.71 g | With dmap; In acetonitrile; at 20℃; | General procedure: To a solution of an appropriate indole, azaindole or alternative heterocycles (1.0 eq) and di-ferf-butyl dicarbonate (1eq. to 2 eq., more in particular 1.2 eq) in acetonitrile was added DMAP (0.1 to 0.5 eq. more in particular 0.1 eq). The reaction mixture was stirred overnight at room temperature. The reaction mixture was concentrated under reduced pressure. The residue was dissolved in dichloromethane and washed with a saturated sodium bicarbonate solution. The phases were separated. The aqueous phase was extracted with dichloromethane. The organic phases were combined, washed with a saturated ammonium chloride solution, water and brine, dried over magnesium sulfate, filtered and concentrated under reduced pressure. The BOC-protected compound was used in the next step without further purification. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
General procedure: To the stirred mixture of substituted indole (8(aec), 0.50 g,2.0 mmol) and substituted isoxazole amine (5(aee), 0.35 g,2.0 mmol) in methanol (5.0 ml) was added 4 A molecular sieves(0.50 g) and catalytic amount of acetic acid. The above reactionmixture was allowed to stir for 1 h at room temperature. followedby the portion wise addition of sodium cyanoborohydride (0.32 g,5.0 mmol) was added portionwise at room temperature and thereaction mixture was allowed to stir for 16 h. Solvent was removed under reduced pressure and then diluted with dichloromethane,which was washed with 10% sodium bicarbonate solution. Theobtained DCM layer was dried over sodium sulphate and distilledunder vacuum to obtain crude 9(aeo), which was further purifiedby column chromatography using ethyl acetate and hexane mixture(80:20) to obtain pure compounds in 80% yield. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
General procedure: To the stirred mixture of substituted indole (8(aec), 0.50 g,2.0 mmol) and substituted isoxazole amine (5(aee), 0.35 g,2.0 mmol) in methanol (5.0 ml) was added 4 A molecular sieves(0.50 g) and catalytic amount of acetic acid. The above reactionmixture was allowed to stir for 1 h at room temperature. followedby the portion wise addition of sodium cyanoborohydride (0.32 g,5.0 mmol) was added portionwise at room temperature and thereaction mixture was allowed to stir for 16 h. Solvent was removed under reduced pressure and then diluted with dichloromethane,which was washed with 10% sodium bicarbonate solution. Theobtained DCM layer was dried over sodium sulphate and distilledunder vacuum to obtain crude 9(aeo), which was further purifiedby column chromatography using ethyl acetate and hexane mixture(80:20) to obtain pure compounds in 80% yield. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
General procedure: To the stirred mixture of substituted indole (8(aec), 0.50 g,2.0 mmol) and substituted isoxazole amine (5(aee), 0.35 g,2.0 mmol) in methanol (5.0 ml) was added 4 A molecular sieves(0.50 g) and catalytic amount of acetic acid. The above reactionmixture was allowed to stir for 1 h at room temperature. followedby the portion wise addition of sodium cyanoborohydride (0.32 g,5.0 mmol) was added portionwise at room temperature and thereaction mixture was allowed to stir for 16 h. Solvent was removed under reduced pressure and then diluted with dichloromethane,which was washed with 10% sodium bicarbonate solution. Theobtained DCM layer was dried over sodium sulphate and distilledunder vacuum to obtain crude 9(aeo), which was further purifiedby column chromatography using ethyl acetate and hexane mixture(80:20) to obtain pure compounds in 80% yield. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
General procedure: To the stirred mixture of substituted indole (8(aec), 0.50 g,2.0 mmol) and substituted isoxazole amine (5(aee), 0.35 g,2.0 mmol) in methanol (5.0 ml) was added 4 A molecular sieves(0.50 g) and catalytic amount of acetic acid. The above reactionmixture was allowed to stir for 1 h at room temperature. followedby the portion wise addition of sodium cyanoborohydride (0.32 g,5.0 mmol) was added portionwise at room temperature and thereaction mixture was allowed to stir for 16 h. Solvent was removed under reduced pressure and then diluted with dichloromethane,which was washed with 10% sodium bicarbonate solution. Theobtained DCM layer was dried over sodium sulphate and distilledunder vacuum to obtain crude 9(aeo), which was further purifiedby column chromatography using ethyl acetate and hexane mixture(80:20) to obtain pure compounds in 80% yield. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
General procedure: To the stirred mixture of substituted indole (8(aec), 0.50 g,2.0 mmol) and substituted isoxazole amine (5(aee), 0.35 g,2.0 mmol) in methanol (5.0 ml) was added 4 A molecular sieves(0.50 g) and catalytic amount of acetic acid. The above reactionmixture was allowed to stir for 1 h at room temperature. followedby the portion wise addition of sodium cyanoborohydride (0.32 g,5.0 mmol) was added portionwise at room temperature and thereaction mixture was allowed to stir for 16 h. Solvent was removed under reduced pressure and then diluted with dichloromethane,which was washed with 10% sodium bicarbonate solution. Theobtained DCM layer was dried over sodium sulphate and distilledunder vacuum to obtain crude 9(aeo), which was further purifiedby column chromatography using ethyl acetate and hexane mixture(80:20) to obtain pure compounds in 80% yield. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
95% | With dmap; triethylamine; In dichloromethane; at 20℃; for 10h; | General procedure: 5-Fluoroindole-3-carbaldehyde (0.5 g, 3.07 mmol), triethylamine (0.85 mL, 6.14 mmol), DMAP (0.036 g,0.3 mmol) and dichloromethane (10 mL) were added to a 100 mL single-neck round bottom flask, followed by Boc2O (0.7 mL, 3.07 mmol), and then reacted at room temperature for 10 hours to stop the reaction and then directly purified by column chromatography (oil Ether/ethyl acetate (v/v) = 10/1) gave the title compound as a white solid(0.77g, 95.5%). |