2-(2,6-二氯苯基)-2-羟基乙腈

反应条件: temp:0.00; pressure:0.00; stir:

反应条件: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

实验步骤: To a stirred and cooled suspension of 438 g of 2,6-dichlorobenzaldehyde in 2000 g of glacial acetic acid there was added dropwise a solution of 203 g of potassium cyanide in 350 g of water, keeping the temperature below 25° C. Stirring was continued overnight at room temperature. The reaction mixture was concentrated and the residue, which solidified upon cooling, was filtered off and dried, yielding 438 g of (±)-2,6-dichloro-α-hydroxybenzeneacetonitrile; mp. 90° C. (interm. 1). cooled the temperature below 25° C Stirring The reaction mixture was concentrated upon cooling was filtered off dried

反应条件: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

实验步骤: To a stirred and cooled suspension of 438 g of 2,6-dichlorobenzaldehyde in 2000 g of glacial acetic acid there was added dropwise a solution of 203 g of potassium cyanide in 350 g of water, keeping the temperature below 25° C. Stirring was continued overnight at room temperature. The reaction mixture was concentrated and the residue, which solidified upon cooling, was filtered off and dried, yielding 438 g of (±)-2,6-dichloro-α-hydroxybenzeneacetonitrile; mp. 90° C. (interm. 1). cooled the temperature below 25° C Stirring The reaction mixture was concentrated upon cooling was filtered off dried

反应条件: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

实验步骤: To a stirred and cooled suspension of 438 g of 2,6-dichlorobenzaldehyde in 2000 g of glacial acetic acid there was added dropwise a solution of 203 g of potassium cyanide in 350 g of water, keeping the temperature below 25° C. Stirring was continued overnight at room temperature. The reaction mixture was concentrated and the residue, which solidified upon cooling, was filtered off and dried, yielding 438 g of (±)-2,6-dichloro-α-hydroxybenzeneacetonitrile; mp. 90° C. (interm. 1). cooled the temperature below 25° C Stirring The reaction mixture was concentrated upon cooling was filtered off dried

反应条件: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

实验步骤: To a stirred and cooled (15° C.) solution of 350 parts of 2,6-dichlorobenzaldehyde and 1600 parts of acetic acid was added dropwise a solution of 162.8 parts of potassium cyanide in water during 30 minutes at 15°-20° C. After stirring for 16 hours at 20° C., 1300 parts of dichloromethane and 1000 parts of water were added. The separated aqueous layer was washed three times with dichloromethane. The combined organic layers were washed with water, dried, filtered and evaporated at 40° C., yielding 396 parts of 2,6-dichloro-α-hydroxybenzeneacetonitrile. After stirring for 16 hours at 20° C. The separated aqueous layer was washed three times with dichloromethane The combined organic layers were washed with water dried filtered evaporated at 40° C.

反应条件: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

实验步骤: To a stirred and cooled suspension of 438 g of 2,6-dichlorobenzaldehyde in 2000 g of glacial acetic acid there was added dropwise a solution of 203 g of potassium cyanide in 350 g of water, keeping the temperature below 25° C. Stirring was continued overnight at room temperature. The reaction mixture was concentrated and the residue, which solidified upon cooling, was filtered off and dried, yielding 438 g of (±)-2,6-dichloro-α-hydroxybenzeneacetonitrile; mp. 90° C. (interm. 1). cooled the temperature below 25° C Stirring The reaction mixture was concentrated upon cooling was filtered off dried

反应条件: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

实验步骤: To a stirred and cooled suspension of 438 g of 2,6-dichlorobenzaldehyde in 2000 g of glacial acetic acid there was added dropwise a solution of 203 g of potassium cyanide in 350 g of water, keeping the temperature below 25° C. Stirring was continued overnight at room temperature. The reaction mixture was concentrated and the residue, which solidified upon cooling, was filtered off and dried, yielding 438 g of (±)-2,6-dichloro-α-hydroxybenzeneacetonitrile; mp. 90° C. (interm. 1). cooled the temperature below 25° C Stirring The reaction mixture was concentrated upon cooling was filtered off dried

反应条件: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

实验步骤: To a stirred and cooled suspension of 438 g of 2,6-dichlorobenzaldehyde in 2000 g of glacial acetic acid there was added dropwise a solution of 203 g of potassium cyanide in 350 g of water, keeping the temperature below 25° C. Stirring was continued overnight at room temperature. The reaction mixture was concentrated and the residue, which solidified upon cooling, was filtered off and dried, yielding 438 g of (±)-2,6-dichloro-α-hydroxybenzeneacetonitrile; mp. 90° C. (interm. 1). cooled the temperature below 25° C Stirring The reaction mixture was concentrated upon cooling was filtered off dried

反应条件: temp:0.00; pressure:0.00; stir:

反应条件: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

实验步骤: To a stirred and cooled (15° C.) solution of 350 parts of 2,6-dichlorobenzaldehyde and 1600 parts of acetic acid was added dropwise a solution of 162.8 parts of potassium cyanide in water during 30 minutes at 15°-20° C. After stirring for 16 hours at 20° C., 1300 parts of dichloromethane and 1000 parts of water were added. The separated aqueous layer was washed three times with dichloromethane. The combined organic layers were washed with water, dried, filtered and evaporated at 40° C., yielding 396 parts of 2,6-dichloro-α-hydroxybenzeneacetonitrile. After stirring for 16 hours at 20° C. The separated aqueous layer was washed three times with dichloromethane The combined organic layers were washed with water dried filtered evaporated at 40° C.

反应条件: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

实验步骤: To a stirred and cooled (15° C.) solution of 350 parts of 2,6-dichlorobenzaldehyde and 1600 parts of acetic acid was added dropwise a solution of 162.8 parts of potassium cyanide in water during 30 minutes at 15°-20° C. After stirring for 16 hours at 20° C., 1300 parts of dichloromethane and 1000 parts of water were added. The separated aqueous layer was washed three times with dichloromethane. The combined organic layers were washed with water, dried, filtered and evaporated at 40° C., yielding 396 parts of 2,6-dichloro-α-hydroxybenzeneacetonitrile. After stirring for 16 hours at 20° C. The separated aqueous layer was washed three times with dichloromethane The combined organic layers were washed with water dried filtered evaporated at 40° C.

反应条件: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

实验步骤: To a stirred and cooled (15° C.) solution of 350 parts of 2,6-dichlorobenzaldehyde and 1600 parts of acetic acid was added dropwise a solution of 162.8 parts of potassium cyanide in water during 30 minutes at 15°-20° C. After stirring for 16 hours at 20° C., 1300 parts of dichloromethane and 1000 parts of water were added. The separated aqueous layer was washed three times with dichloromethane. The combined organic layers were washed with water, dried, filtered and evaporated at 40° C., yielding 396 parts of 2,6-dichloro-α-hydroxybenzeneacetonitrile. After stirring for 16 hours at 20° C. The separated aqueous layer was washed three times with dichloromethane The combined organic layers were washed with water dried filtered evaporated at 40° C.