2-(4-chlorophenoxy)-2-methylpropan-1-ol

Conditions: temp:0.00; pressure:0.00; stir:

Conditions: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

Procedure: The title compound was prepared by procedures of Example 33 from sulfamoyl chloride and 2-(4-chlorophenoxy)-2-methylpropanol to give white solid, mp 76°-79° C., in 58% yield. to give white solid, mp 76°-79° C.

Conditions: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

Procedure: The title compound was prepared by the procedure of Preparation 2 in quantitative yield from clofibric acid (Aldrich Chem. Co.) and lithium aluminum hydride.

Conditions: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

Procedure: A solution of 2-[4-(4-chlorophenyl)benzyloxy]-3,3,3-trifluoro-2-trifluoromethylpropionyl chloride (3.16 g.) in 1,2-dichloroethane (10 ml.) is added, dropwise and below 10° C., to a stirred mixture of 2-(4-chlorophenyloxy)-2-methylpropanol (1.40 g.), pyridine (4.0 ml.), and 1,2-dichloroethane (10 ml.). The mixture is stirred at ambient temperature for 20 hours, then mixed with ice-water and chloroform. The organic phase is separated, and washed with 3N-hydrochloric acid and water. 0.4N-Aqueous potassium hydroxide (5 ml.) and ice are added, the mixture is shaken, and enough ether is added to cause the resulting emulsion to separate into two layers. The organic layer is washed with water, dried and evaporated. The residual oil (3.6 g.) is chromatographed in light petroleum (b.p. 60°-80° C.) on a column of silica gel (45 g.). The column is washed portionwise the solvent (2 l ) until no more material is eluted, and then with a mixture of light petroleum and ether (10:1, 200 ml.). This eluate is evaporated to give 2-(4-chlorophenyloxy)-2-methylpropyl 2-[4-(4-chlorophenyl)benzyloxy]-3,3,3-trifluoro-2-trifluoromethylpropionate (2.6 g.) as a syrup. The organic phase is separated washed with 3N-hydrochloric acid and water 0.4N-Aqueous potassium hydroxide (5 ml.) and ice are added the mixture is shaken enough ether is added to separate into two layers The organic layer is washed with water dried evaporated The residual oil (3.6 g.) is chromatographed in light petroleum (b.p. 60°-80° C.) on a column of silica gel (45 g.) The column is washed portionwise the solvent (2 l ) until no more material is eluted with a mixture of light petroleum and ether (10:1, 200 ml.) This eluate is evaporated

Conditions: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

Procedure: The title compound was prepared by procedures of Example 33 from sulfamoyl chloride and 2-(4-chlorophenoxy)-2-methylpropanol to give white solid, mp 76°-79° C., in 58% yield. to give white solid, mp 76°-79° C.

Conditions: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

Procedure: The title compound was prepared by procedures of Example 33 from sulfamoyl chloride and 2-(4-chlorophenoxy)-2-methylpropanol to give white solid, mp 76°-79° C., in 58% yield. to give white solid, mp 76°-79° C.

Conditions: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

Procedure: The title compound was prepared by the procedure of Preparation 2 in quantitative yield from clofibric acid (Aldrich Chem. Co.) and lithium aluminum hydride.

Conditions: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

Procedure: The title compound was prepared by the procedure of Preparation 2 in quantitative yield from clofibric acid (Aldrich Chem. Co.) and lithium aluminum hydride.

Conditions: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

Procedure: A solution of 2-[4-(4-chlorophenyl)benzyloxy]-3,3,3-trifluoro-2-trifluoromethylpropionyl chloride (3.16 g.) in 1,2-dichloroethane (10 ml.) is added, dropwise and below 10° C., to a stirred mixture of 2-(4-chlorophenyloxy)-2-methylpropanol (1.40 g.), pyridine (4.0 ml.), and 1,2-dichloroethane (10 ml.). The mixture is stirred at ambient temperature for 20 hours, then mixed with ice-water and chloroform. The organic phase is separated, and washed with 3N-hydrochloric acid and water. 0.4N-Aqueous potassium hydroxide (5 ml.) and ice are added, the mixture is shaken, and enough ether is added to cause the resulting emulsion to separate into two layers. The organic layer is washed with water, dried and evaporated. The residual oil (3.6 g.) is chromatographed in light petroleum (b.p. 60°-80° C.) on a column of silica gel (45 g.). The column is washed portionwise with he solvent (2 l.) until no more material is eluted, and then with a mixture of light petroleum and ether (10:1, 200 ml.). This eluate is evaporated to give 2-(4-chlorophenyloxy)-2-methylpropyl 2-[4-(4-chlorophenyl)-benzyloxy]-3,3,3-trifluoro-2-trifluoromethylpropionate (2.6 g.) as a syrup. The organic phase is separated washed with 3N-hydrochloric acid and water 0.4N-Aqueous potassium hydroxide (5 ml.) and ice are added the mixture is shaken enough ether is added to separate into two layers The organic layer is washed with water dried evaporated The residual oil (3.6 g.) is chromatographed in light petroleum (b.p. 60°-80° C.) on a column of silica gel (45 g.) The column is washed portionwise with he solvent (2 l.) until no more material is eluted with a mixture of light petroleum and ether (10:1, 200 ml.) This eluate is evaporated

Conditions: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

Procedure: The title compound was prepared by procedures of Example 33 from sulfamoyl chloride and 2-(4-chlorophenoxy)-2-methylpropanol to give white solid, mp 76°-79° C., in 58% yield. to give white solid, mp 76°-79° C.

Conditions: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

Procedure: The title compound was prepared by the procedure of Preparation 2 in quantitative yield from clofibric acid (Aldrich Chem. Co.) and lithium aluminum hydride.

Conditions: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

Procedure: The title compound was prepared by procedures of Example 28 from sulfamoyl chloride and 2-(4-chlorophenoxy)-2-methylpropanol to give white solid, mp 76°-79° C., in 58% yield. to give white solid, mp 76°-79° C.