methyl 5-(hydroxymethyl)-2-methoxybenzoate

反応条件: temp:0.00; pressure:0.00; stir:

反応条件: temp:0.00; pressure:0.00; stir:

反応条件: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

実験手順: Combine methyl 2-methoxy-5-hydroxymethylbenzoate (1.34 g, 6.8 mmol) and N,N-diisopropylethylamine (1.4 mL) in dichloromethane (25 mL). Cool in a ice-bath. Add dropwise, methanesulfonyl chloride (0.56 mL). After 30 minutes, warm to ambient temperature. After 2 hours, dilute with dichloromethane and extract with 1 M hydrochloric acid solution and 5% sodium bicarbonate solution. Dry the organic layer over Na2SO4, filter, and concentrate in vacuo to give methyl 2-methoxy-5-chloromethylbenzoate: Rf=0.64 (silica gel, 1/1 ethyl acetate/hexane). Cool in a ice-bath Add dropwise After 2 hours extract with 1 M hydrochloric acid solution and 5% sodium bicarbonate solution Dry the organic layer over Na2SO4 filter concentrate in vacuo

反応条件: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

実験手順: Combine methyl 2-methoxy-5-formylbenzoate (0.1 g, 0.5 mmol) and tetrahydrofuran (2 mL). Cool in an ice bath. Add a solution of borane tetrahydrofuran complex (0.17 mL, 1 M in tetrahydrofuran, 0.17 mmol). After 1.5 hours, again add a solution of borane tetrahydrofuran complex (0.17 mL, 1 M in tetrahydrofuran, 0.17 mmol). After 2 hours, add a 1 M aqueous solution of hydrochloric acid (2 mL) and stir. After 15 minutes, dilute the reaction mixture with ethyl acetate. Separate the layers, extract the aqueous layer three times with ethyl acetate and combine the organic layers. Dry the organic layer over Na2SO4, filter, and evaporate in vacuo to give methyl 2-methoxy-5-hydroxymethylbenzoate: Rf=0.32 (silica gel, ethyl acetate). Cool in an ice bath After 2 hours After 15 minutes Separate the layers extract the aqueous layer three times with ethyl acetate Dry the organic layer over Na2SO4 filter evaporate in vacuo

反応条件: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

実験手順: Combine methyl 2-methoxy-5-hydroxymethylbenzoate (1.34 g, 6.8 mmol) and N,N-diisopropylethylamine (1.4 mL) in dichloromethane (25 mL). Cool in a ice-bath. Add dropwise, methanesulfonyl chloride (0.56 mL). After 30 minutes, warm to ambient temperature. After 2 hours, dilute with dichloromethane and extract with 1 M hydrochloric acid solution and 5% sodium bicarbonate solution. Dry the organic layer over Na2SO4, filter, and concentrate in vacuo to give methyl 2-methoxy-5-chloromethylbenzoate: Rf=0.64 (silica gel, 1/1 ethyl acetate/hexane). Cool in a ice-bath Add dropwise After 2 hours extract with 1 M hydrochloric acid solution and 5% sodium bicarbonate solution Dry the organic layer over Na2SO4 filter concentrate in vacuo

反応条件: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

実験手順: Combine methyl 2-methoxy-5-hydroxymethylbenzoate (1.34 g, 6.8 mmol) and N,N-diisopropylethylamine (1.4 mL) in dichloromethane (25 mL). Cool in a ice-bath. Add dropwise, methanesulfonyl chloride (0.56 mL). After 30 minutes, warm to ambient temperature. After 2 hours, dilute with dichloromethane and extract with 1 M hydrochloric acid solution and 5% sodium bicarbonate solution. Dry the organic layer over Na2SO4, filter, and concentrate in vacuo to give methyl 2-methoxy-5-chloromethylbenzoate: Rf=0.64 (silica gel, 1/1 ethyl acetate/hexane). Cool in a ice-bath Add dropwise After 2 hours extract with 1 M hydrochloric acid solution and 5% sodium bicarbonate solution Dry the organic layer over Na2SO4 filter concentrate in vacuo

反応条件: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

実験手順: Combine methyl 2-methoxy-5-formylbenzoate (0.1 g, 0.5 mmol) and tetrahydrofuran (2 mL). Cool in an ice bath. Add a solution of borane tetrahydrofuran complex (0.17 mL, 1 M in tetrahydrofuran, 0.17 mmol). After 1.5 hours, again add a solution of borane tetrahydrofuran complex (0.17 mL, 1 M in tetrahydrofuran, 0.17 mmol). After 2 hours, add a 1 M aqueous solution of hydrochloric acid (2 mL) and stir. After 15 minutes, dilute the reaction mixture with ethyl acetate. Separate the layers, extract the aqueous layer three times with ethyl acetate and combine the organic layers. Dry the organic layer over Na2SO4, filter, and evaporate in vacuo to give methyl 2-methoxy-5-hydroxymethylbenzoate: Rf=0.32 (silica gel, ethyl acetate). Cool in an ice bath After 2 hours After 15 minutes Separate the layers extract the aqueous layer three times with ethyl acetate Dry the organic layer over Na2SO4 filter evaporate in vacuo

反応条件: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

実験手順: Combine methyl 2-methoxy-5-hydroxymethylbenzoate (1.34 g, 6.8 mmol) and N,N-diisopropylethylamine (1.4 mL) in dichloromethane (25 mL). Cool in a ice-bath. Add dropwise, methanesulfonyl chloride (0.56 mL). After 30 minutes, warm to ambient temperature. After 2 hours, dilute with dichloromethane and extract with 1 M hydrochloric acid solution and 5% sodium bicarbonate solution. Dry the organic layer over Na2SO4, filter, and concentrate in vacuo to give methyl 2-methoxy-5-chloromethylbenzoate: Rf=0.64 (silica gel, 1/1 ethyl acetate/hexane). Cool in a ice-bath Add dropwise After 2 hours extract with 1 M hydrochloric acid solution and 5% sodium bicarbonate solution Dry the organic layer over Na2SO4 filter concentrate in vacuo

反応条件: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

実験手順: Combine methyl 2-methoxy-5-hydroxymethylbenzoate (1.34 g, 6.8 mmol) and N,N-diisopropylethylamine (1.4 mL) in dichloromethane (25 mL). Cool in a ice-bath. Add dropwise, methanesulfonyl chloride (0.56 mL). After 30 minutes, warm to ambient temperature. After 2 hours, dilute with dichloromethane and extract with 1 M hydrochloric acid solution and 5% sodium bicarbonate solution. Dry the organic layer over Na2SO4, filter, and concentrate in vacuo to give methyl 2-methoxy-5-chloromethylbenzoate: Rf=0.64 (silica gel, 1/1 ethyl acetate/hexane). Cool in a ice-bath Add dropwise After 2 hours extract with 1 M hydrochloric acid solution and 5% sodium bicarbonate solution Dry the organic layer over Na2SO4 filter concentrate in vacuo

反応条件: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

実験手順: Combine methyl 2-methoxy-5-formylbenzoate (0.1 g, 0.5 mmol) and tetrahydrofuran (2 mL). Cool in an ice bath. Add a solution of borane tetrahydrofuran complex (0.17 mL, 1 M in tetrahydrofuran, 0.17 mmol). After 1.5 hours, again add a solution of borane tetrahydrofuran complex (0.17 mL, 1 M in tetrahydrofuran, 0.17 mmol). After 2 hours, add a 1 M aqueous solution of hydrochloric acid (2 mL) and stir. After 15 minutes, dilute the reaction mixture with ethyl acetate. Separate the layers, extract the aqueous layer three times with ethyl acetate and combine the organic layers. Dry the organic layer over Na2SO4, filter, and evaporate in vacuo to give methyl 2-methoxy-5-hydroxymethylbenzoate: Rf=0.32 (silica gel, ethyl acetate). Cool in an ice bath After 2 hours After 15 minutes Separate the layers extract the aqueous layer three times with ethyl acetate Dry the organic layer over Na2SO4 filter evaporate in vacuo

反応条件: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

実験手順: Combine methyl 2-methoxy-5-formylbenzoate (0.1 g, 0.5 mmol) and tetrahydrofuran (2 mL). Cool in an ice bath. Add a solution of borane tetrahydrofuran complex (0.17 mL, 1 M in tetrahydrofuran, 0.17 mmol). After 1.5 hours, again add a solution of borane tetrahydrofuran complex (0.17 mL, 1 M in tetrahydrofuran, 0.17 mmol). After 2 hours, add a 1 M aqueous solution of hydrochloric acid (2 mL) and stir. After 15 minutes, dilute the reaction mixture with ethyl acetate. Separate the layers, extract the aqueous layer three times with ethyl acetate and combine the organic layers. Dry the organic layer over Na2SO4, filter, and evaporate in vacuo to give methyl 2-methoxy-5-hydroxymethylbenzoate: Rf=0.32 (silica gel, ethyl acetate). Cool in an ice bath After 2 hours After 15 minutes Separate the layers extract the aqueous layer three times with ethyl acetate Dry the organic layer over Na2SO4 filter evaporate in vacuo

反応条件: temp:0.00; pressure:0.00; stir: