2,6-difluoro-N'-hydroxybenzenecarboximidamide

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

Procedure: 80 mg (0.22 mmol) of 5-(4-ethylphenyl)-1-[(4-hydroxypiperidin-1-yl)carbonyl]piperidine-3-carboxylic acid (Example 59A) and 57 mg (0.33 mmol) of 2,6-difluoro-N′-hydroxybenzenecarboximidamide were reacted according to the General Method 2. Yield: 57 mg (52% of theory)

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

Procedure: 60 mg (0.16 mmol) of the compound from Example 60A and 42 mg (0.24 mmol) of 2,6-difluoro-N′-hydroxybenzenecarboximidamide were reacted according to the General Method 2. Yield: 53 mg (65% of theory)

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

Procedure: 64 mg (0.20 mmol) of 1-[ethyl(methyl)carbamoyl]-5-(4-ethylphenyl)piperidine-3-carboxylic acid (Example 45A) and 38 mg (0.22 mmol, 1.1 eq.) of 2,6-difluoro-N′-hydroxybenzenecarboximidamide were reacted according to the General Method 1. Yield: 23 mg (26% of theory)

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

Procedure: 80 mg (0.20 mmol) of 1-(morpholin-4-ylcarbonyl)-5-[4-(trifluoromethoxy)phenyl]piperidine-3-carboxylic acid (Example 44A) and 38 mg (0.22 mmol, 1.1 eq.) of 2,6-difluoro-N′-hydroxybenzenecarboximidamide were reacted according to the General Method 1. Yield: 42 mg (39% of theory)

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

Procedure: 69 mg (0.20 mmol) of 5-(4-ethylphenyl)-1-(morpholin-4-ylcarbonyl)piperidine-3-carboxylic acid (Example 38A) and 38 mg (0.22 mmol, 1.1 eq.) of 2,6-difluoro-N′-hydroxybenzenecarboximidamide were reacted according to the General Method 1. Yield: 17 mg (18% of theory)