Hydrochloric Acid → 3-[1(S)-(4-Chlorophenyl)ethyl]-1-(4-cyclohexylphenyl)ureidomethyl benzoic Acid
Reaction equation
COC(=O)[C:4]1[CH:9]=C[C:7]([CH2:10][N:11]([C:24]2[CH:29]=[CH:28][C:27]([CH:30]3[CH2:35][CH2:34][CH2:33][CH2:32][CH2:31]3)=[CH:26][CH:25]=2)[C:12]([NH:14][C@H](C2C=CC(Cl)=CC=2)C)=[O:13])=[CH:6][CH:5]=1.[OH-:37].[Na+].[ClH:39].[CH2:40]([OH:42])[CH3:41]>>[Cl:39][C:24]1[CH:29]=[CH:28][C:27]([C@@H:30]([C:6]2[C:7]([CH2:10][N:11]([C:24]3[CH:29]=[CH:28][C:27]([CH:30]4[CH2:31][CH2:32][CH2:33][CH2:34][CH2:35]4)=[CH:26][CH:25]=3)[C:12]([NH2:14])=[O:13])=[C:41]([CH:9]=[CH:4][CH:5]=2)[C:40]([OH:37])=[O:42])[CH3:31])=[CH:26][CH:25]=1Participants
5
Procedure
4-[3-[1(S)-(4-Chlorophenyl)ethyl]-1-(4-cyclohexylphenyl)ureidomethyl]benzoic acid methyl ester (35.0 g, 69.3 mmol) was dissolved in ethanol (400 mL). 4 N aqueous sodium hydroxide (100 mL) was added and the clear solution was stirred at room temperature for 3 hours. The solution was neutralised with 4 N hydrochloric acid (100 mL), and placed upon an ice bath to initiate crystallization. The crystals were collected, washed extensively with water, and dried in vacuo overnight. Yield: 34.25 g (100%).
Workup
- customplaced upon an ice bath
- customcrystallization
- customThe crystals were collected
- washwashed extensively with water
- customdried in vacuo overnight
Sources & evidence
- ORD record
- ord-6dd0af8ea8a940fe8b2c94cfac56e655
- Source dataset
- uspto-grants-2003_05
- Patent number
- US06562807B2
Reaction notes
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