tert-butyl N-[(1R,2S)-2-(4-aminophenyl)cyclopropyl]carbamate

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

Procedure: To a solution of tert-butyl [trans-2-(4-aminophenyl)cyclopropyl]carbamate (16.8 g) described in a document (J. Am. Chem. Soc., 2010, 132, 6827.) and triethylamine (11.32 mL) in THF (338 mL) was added 2,2,2-trichloroethyl chloroformate (11.2 mL). The mixture was stirred at room temperature overnight, and poured into saturated aqueous ammonium chloride solution. The reaction mixture was extracted with ethyl acetate, and the extract was washed with saturated brine, and dried over anhydrous magnesium sulfate. The solvent was evaporated under reduced pressure. The residue was purified by silica gel column chromatography (hexane/ethyl acetate) to give the title compound (19.0 g). The reaction mixture was extracted with ethyl acetate the extract was washed with saturated brine dried over anhydrous magnesium sulfate The solvent was evaporated under reduced pressure The residue was purified by silica gel column chromatography (hexane/ethyl acetate)

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

Procedure: To a solution of tert-butyl [trans-2-(4-aminophenyl)cyclopropyl]carbamate (16.8 g) described in a document (J. Am. Chem. Soc., 2010, 132, 6827.) and triethylamine (11.32 mL) in THF (338 mL) was added 2,2,2-trichloroethyl chloroformate (11.2 mL). The mixture was stirred at room temperature overnight, and poured into saturated aqueous ammonium chloride solution. The reaction mixture was extracted with ethyl acetate, and the extract was washed with saturated brine, and dried over anhydrous magnesium sulfate. The solvent was evaporated under reduced pressure. The residue was purified by silica gel column chromatography (hexane/ethyl acetate) to give the title compound (19.0 g). The reaction mixture was extracted with ethyl acetate the extract was washed with saturated brine dried over anhydrous magnesium sulfate The solvent was evaporated under reduced pressure The residue was purified by silica gel column chromatography (hexane/ethyl acetate)

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

Procedure: To a solution of tert-butyl[trans-2-(4-aminophenyl)cyclopropyl]carbamate (100 mg) described in a document (J. Am. Chem. Soc., 2010, 132, 6827.) in acetonitrile (4 mL) were added biphenyl-3-carbonyl chloride (131 mg) and triethylamine (61.1 mg). The mixture was stirred at room temperature overnight and water was added. To the reaction mixture was added ethyl acetate, and the resulting solid was collected by filtration to give the title compound (154 mg). the resulting solid was collected by filtration

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

Procedure: To a solution of tert-butyl [trans-2-(4-aminophenyl)cyclopropyl]carbamate (150 mg) described in a document (J. Am. Chem. Soc., 2010, 132, 6827.) in acetonitrile (6 mL) were added biphenyl-4-carboxylic acid (100 mg), N-ethyl-N′-(3-dimethylaminopropyl)carbodiimide hydrochloride (116 mg), 1-hydroxybenzotriazole (82 mg) and triethylamine (84 μL). The mixture was stirred at room temperature overnight and water was added. The mixture was extracted with ethyl acetate, and the extract was washed with saturated brine and dried over anhydrous sodium sulfate. The solvent was evaporated under reduced pressure. The residue was recrystallized (methanol/ethyl acetate) to give the title compound (131 mg). The mixture was extracted with ethyl acetate the extract was washed with saturated brine dried over anhydrous sodium sulfate The solvent was evaporated under reduced pressure The residue was recrystallized (methanol/ethyl acetate)

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

Procedure: To a solution of tert-butyl [trans-2-(4-aminophenyl)cyclopropyl]carbamate (230 mg) described in a document (J. Am. Chem. Soc., 2010, 132, 6827.) in acetonitrile (7 mL) were added 3-(2-oxopiperidin-1-yl)benzoic acid (169 mg), N-ethyl-N′-(3-dimethylaminopropyl)carbodiimide hydrochloride (177 mg), 1-hydroxybenzotriazole (125 mg) and triethylamine (128 μL). The mixture was stirred at room temperature overnight and water was added. The mixture was extracted with ethyl acetate, and the extract was washed with saturated brine and dried over anhydrous sodium sulfate. The solvent was evaporated under reduced pressure. The residue was purified by silica gel column chromatography (hexane/ethyl acetate) to give the title compound (53.4 mg). The mixture was extracted with ethyl acetate the extract was washed with saturated brine dried over anhydrous sodium sulfate The solvent was evaporated under reduced pressure The residue was purified by silica gel column chromatography (hexane/ethyl acetate)

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

Procedure: To a solution of tert-butyl [trans-2-(4-aminophenyl)cyclopropyl]carbamate (105 mg) described in a document (J. Am. Chem. Soc., 2010, 132, 6827.) in acetonitrile (3 mL) were added 3-(piperidin-1-yl)benzoic acid (105 mg) described in a document (J. Med. Chem. 1997, 40, 331.), N-ethyl-N′-(3-dimethylaminopropyl)carbodiimide hydrochloride (81 mg), 1-hydroxybenzotriazole (57.2 mg) and triethylamine (59 μL). The mixture was stirred at room temperature overnight and water was added. The mixture was extracted with ethyl acetate, and the extract was washed with saturated brine and dried over anhydrous sodium sulfate. The solvent was evaporated under reduced pressure. The residue was purified by silica gel column chromatography (hexane/ethyl acetate) to give the title compound (142 mg). The mixture was extracted with ethyl acetate the extract was washed with saturated brine dried over anhydrous sodium sulfate The solvent was evaporated under reduced pressure The residue was purified by silica gel column chromatography (hexane/ethyl acetate)

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

Procedure: To a solution of tert-butyl [trans-2-(4-aminophenyl)cyclopropyl]carbamate (124 mg) described in a document (J. Am. Chem. Soc., 2010, 132, 6827.) in acetonitrile (4 mL) were added 3-[(phenylcarbonyl)amino]benzoic acid (100 mg), N-ethyl-N′-(3-dimethylaminopropyl)carbodiimide hydrochloride (95 mg), 1-hydroxybenzotriazole (67.2 mg) and triethylamine (69 μL). The mixture was stirred at room temperature overnight and water was added. Ethyl acetate was added to the mixture, and the resulting solid was collected by filtration to give the title compound (188 mg). the resulting solid was collected by filtration

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

Procedure: To a solution of tert-butyl [trans-2-(4-aminophenyl)cyclopropyl]carbamate (124 mg) described in a document (J. Am. Chem. Soc., 2010, 132, 6827.) in acetonitrile (4 mL) were added 3-[(phenylcarbonyl)amino]benzoic acid (100 mg), N-ethyl-N′-(3-dimethylaminopropyl)carbodiimide hydrochloride (95 mg), 1-hydroxybenzotriazole (67.2 mg) and triethylamine (69 μL). The mixture was stirred at room temperature overnight and water was added. Ethyl acetate was added to the mixture, and the resulting solid was collected by filtration to give the title compound (188 mg). the resulting solid was collected by filtration

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

Procedure: To a solution of tert-butyl [trans-2-(4-aminophenyl)cyclopropyl]carbamate (100 mg) described in a document (J. Am. Chem. Soc., 2010, 132, 6827.) in acetonitrile (4 mL) were added 3-benzylbenzoic acid (103 mg) described in a document (J. Org. Chem. 2001, 66, 2874.), N-ethyl-N′-(3-dimethylaminopropyl)carbodiimide hydrochloride (93 mg), 1-hydroxybenzotriazole (65.3 mg) and triethylamine (140 μL). The mixture was stirred at room temperature overnight and water was added. The mixture was extracted with ethyl acetate, and the extract was washed with saturated brine and dried over anhydrous sodium sulfate. The solvent was evaporated under reduced pressure. The residue was recrystallized (hexane/ethyl acetate) to give the title compound (126 mg). The mixture was extracted with ethyl acetate the extract was washed with saturated brine dried over anhydrous sodium sulfate The solvent was evaporated under reduced pressure The residue was recrystallized (hexane/ethyl acetate)

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

Procedure: To a solution of tert-butyl [trans-2-(4-aminophenyl)cyclopropyl]carbamate (100 mg) described in a document (J. Am. Chem. Soc., 2010, 132, 6827.) in acetonitrile (4 mL) were added 3-benzylbenzoic acid (103 mg) described in a document (J. Org. Chem. 2001, 66, 2874.), N-ethyl-N′-(3-dimethylaminopropyl)carbodiimide hydrochloride (93 mg), 1-hydroxybenzotriazole (65.3 mg) and triethylamine (140 μL). The mixture was stirred at room temperature overnight and water was added. The mixture was extracted with ethyl acetate, and the extract was washed with saturated brine and dried over anhydrous sodium sulfate. The solvent was evaporated under reduced pressure. The residue was recrystallized (hexane/ethyl acetate) to give the title compound (126 mg). The mixture was extracted with ethyl acetate the extract was washed with saturated brine dried over anhydrous sodium sulfate The solvent was evaporated under reduced pressure The residue was recrystallized (hexane/ethyl acetate)

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

Procedure: To a solution of tert-butyl [trans-2-(4-aminophenyl)cyclopropyl]carbamate (100 mg) described in a document (J. Am. Chem. Soc., 2010, 132, 6827.) in acetonitrile (4 mL) were added 3-(trifluoromethyl)benzoyl chloride (126 mg) and triethylamine (84 μL). The mixture was stirred at room temperature for 30 min and water was added. The mixture was extracted with ethyl acetate, and the extract was washed with saturated brine and dried over anhydrous sodium sulfate. The solvent was evaporated under reduced pressure. The residue was crystallized (hexane/ethyl acetate) to give the title compound (161 mg). The mixture was extracted with ethyl acetate the extract was washed with saturated brine dried over anhydrous sodium sulfate The solvent was evaporated under reduced pressure The residue was crystallized (hexane/ethyl acetate)

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

Procedure: To a solution of tert-butyl [trans-2-(4-aminophenyl)cyclopropyl]carbamate (100 mg) described in a document (J. Am. Chem. Soc., 2010, 132, 6827.) in acetonitrile (4 mL) were added 3-(trifluoromethyl)benzoyl chloride (126 mg) and triethylamine (84 μL). The mixture was stirred at room temperature for 30 min and water was added. The mixture was extracted with ethyl acetate, and the extract was washed with saturated brine and dried over anhydrous sodium sulfate. The solvent was evaporated under reduced pressure. The residue was crystallized (hexane/ethyl acetate) to give the title compound (161 mg). The mixture was extracted with ethyl acetate the extract was washed with saturated brine dried over anhydrous sodium sulfate The solvent was evaporated under reduced pressure The residue was crystallized (hexane/ethyl acetate)