3,6,9,12,15,18,21,24-Octaoxapentacosan-1-amine

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

Procedure: 6-({[(2R,4S)-2-Hydroxy-2,6-dimethyl-4-[(2S)-2-[(2S)-4-methyl-2-[(2S)-2-[2-(morpholin-4-yl)acetamido]-4-phenylbutanamido]pentanamido]-3-phenylpropanamido]-3-oxoheptyl]oxy}sulfonyl)hexanoic acid and 2,5,8,11,14,17,20,23-octaoxapentacosan-25-amine (Quanta Biodesign) were reacted following General PEGylation Conditions, Method D.

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

Procedure: 6-({[(2R,4S)-2-Hydroxy-2,6-dimethyl-4-[(2S)-2-[(2S)-4-methyl-2-[(2S)-2-[2-(morpholin-4-yl)acetamido]-4-phenylbutanamido]pentanamido]-3-phenylpropanamido]-3-oxoheptyl]oxy}sulfonyl)hexanoic acid and 2,5,8,11,14,17,20,23-octaoxapentacosan-25-amine (Quanta Biodesign) were reacted following General PEGylation Conditions, Method D.

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

Procedure: 6-({[(2R,4S)-2-Hydroxy-2,6-dimethyl-4-[(2S)-2-[(2S)-4-methyl-2-[(2S)-2-[2-(morpholin-4-yl)acetamido]-4-phenylbutanamido]pentanamido]-3-phenylpropanamido]-3-oxoheptyl]oxy}sulfonyl)hexanoic acid and 2,5,8,11,14,17,20,23-octaoxapentacosan-25-amine (Quanta Biodesign) were reacted following General PEGylation Conditions, Method D.

Conditions: temp:60.01; pressure:0.00; stir:; See reaction.notes.procedure_details.

Procedure: To a mixture of (S)-1-(2-(3-((4-(diethylamino)-2-(4-((3-(trifluoromethyl)benzyl)carbamoyl)pyridin-2-yl)phenyl)carbamoyl)-N-methylbenzamido)ethyl)pyrrolidine-2-carboxylic acid (1.32 mmol, 1.12 g), 2,5,8,11,14,17,20,23-octaoxapentacosan-25-amine (1.38 mmol, 530 mg) and DIEA (9.21 mmol, 1.19 g) in DMF (4 mL) was added HATU (1.45 mmol, 0.551 g). The mixture was stirred at 60° C. for 1 h and purified by prep. HPLC to give a syrup (1.18 g, 62%). MS (ES, m/z): 1110.42 [M+H]+. purified by prep

Conditions: temp:60.01; pressure:0.00; stir:; See reaction.notes.procedure_details.

Procedure: To a mixture of (S)-1-(2-(((benzyloxy)carbonyl)(methyl)amino)ethyl)piperidine-2-carboxylic acid (0.145 mmol, 46.4 mg), 2,5,8,11,14,17,20,23-octaoxapentacosan-25-amine (0.145 mmol, 55.6 mg), DIEA (0.725 mmol, 94 mg) in DMF (0.3 mL) was added HATU (0.16 mmol, 61 mg). The mixture was stirred at 60° C. for 1 h. The crude mixture was used in next step without purification. The crude mixture was used in next step without purification

Conditions: temp:60.01; pressure:0.00; stir:; See reaction.notes.procedure_details.

Procedure: To a mixture of (S)-1-(2-(((benzyloxy)carbonyl)(methyl)amino)ethyl)piperidine-2-carboxylic acid (0.145 mmol, 46.4 mg), 2,5,8,11,14,17,20,23-octaoxapentacosan-25-amine (0.145 mmol, 55.6 mg), DIEA (0.725 mmol, 94 mg) in DMF (0.3 mL) was added HATU (0.16 mmol, 61 mg). The mixture was stirred at 60° C. for 1 h. The crude mixture was used in next step without purification. The crude mixture was used in next step without purification

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

Procedure: This compound was prepared according to the procedure described for the synthesis of tert-butyl 2-methyl-1-((S)-1-(2-(N-methyl-3-((4-(piperidin-1-yl)-2-(4-(((S)-1,2,3,4-tetrahydronaphthalen-1-yl)carbamoyl)pyridin-2-yl)phenyl)carbamoyl)benzamido)ethyl)pyrrolidin-2-yl)-1-oxo-5,8,11-trioxa-2-azatetradecan-14-oate Example 190, using 2,5,8,11,14,17,20,23-octaoxapentacosan-25-amine in place of tert-butyl 5,8,11-trioxa-2-azatetradecan-14-oate. MS (ES, m/z): 1094.47 [M+H]+. This compound was prepared

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

Procedure: This compound was prepared according to the procedure described for the synthesis of tert-butyl 2-methyl-1-((S)-1-(2-(N-methyl-3-((4-(piperidin-1-yl)-2-(4-(((S)-1,2,3,4-tetrahydronaphthalen-1-yl)carbamoyl)pyridin-2-yl)phenyl)carbamoyl)benzamido)ethyl)pyrrolidin-2-yl)-1-oxo-5,8,11-trioxa-2-azatetradecan-14-oate Example 190, using 2,5,8,11,14,17,20,23-octaoxapentacosan-25-amine in place of tert-butyl 5,8,11-trioxa-2-azatetradecan-14-oate. MS (ES, m/z): 1094.47 [M+H]+. This compound was prepared

Conditions: temp:60.01; pressure:0.00; stir:; See reaction.notes.procedure_details.

Procedure: To a mixture of (S)-1-(2-(((benzyloxy)carbonyl)(methyl)amino)ethyl)piperidine-2-carboxylic acid (0.145 mmol, 46.4 mg), 2,5,8,11,14,17,20,23-octaoxapentacosan-25-amine (0.145 mmol, 55.6 mg), DIEA (0.725 mmol, 94 mg) in DMF (0.3 mL) was added HATU (0.16 mmol, 61 mg). The mixture was stirred at 60° C. for 1 h. The crude mixture was used in next step without purification. The crude mixture was used in next step without purification

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

Procedure: 6-({[(2R,4S)-2-Hydroxy-2,6-dimethyl-4-[(2S)-2-[(2S)-4-methyl-2-[(2S)-2-[2-(morpholin-4-yl)acetamido]-4-phenylbutanamido]pentanamido]-3-phenylpropanamido]-3-oxoheptyl]oxy}sulfonyl)hexanoic acid and 2,5,8,11,14,17,20,23-octaoxapentacosan-25-amine (Quanta Biodesign) were reacted following General PEGylation Conditions, Method D.

Conditions: temp:60.01; pressure:0.00; stir:; See reaction.notes.procedure_details.

Procedure: To a mixture of (S)-1-(2-(3-((4-(diethylamino)-2-(4-((3-(trifluoromethyl)benzyl)carbamoyl)pyridin-2-yl)phenyl)carbamoyl)-N-methylbenzamido)ethyl)pyrrolidine-2-carboxylic acid (1.32 mmol, 1.12 g), 2,5,8,11,14,17,20,23-octaoxapentacosan-25-amine (1.38 mmol, 530 mg) and DIEA (9.21 mmol, 1.19 g) in DMF (4 mL) was added HATU (1.45 mmol, 0.551 g). The mixture was stirred at 60° C. for 1 h and purified by prep. HPLC to give a syrup (1.18 g, 62%). MS (ES, m/z): 1110.42 [M+H]+. purified by prep

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

Procedure: This compound was prepared according to the procedure described for the synthesis of tert-butyl 2-methyl-1-((S)-1-(2-(N-methyl-3 ((4-(piperidin-1-yl)-2-(4-(((S)-1,2,3,4-tetrahydronaphthalen-1-yl)carbamoyl)pyridin-2-yl)phenyl)carbamoyl)benzamido)ethyl)pyrrolidin-2-yl)-1-oxo-5,8,11-trioxa-2-azatetradecan-14-oate Example 190, using 2,5,8,11,14,17,20,23-octaoxapentacosan-25-amine in place of tert-butyl 5,8,11-trioxa-2-azatetradecan-14-oate. MS (ES, m/z): 1094.47 [M+H]+. This compound was prepared