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Hydrochloric Acid → 4-{(1S)-1-[({2,5-dimethyl-4-[4-(trifluoromethyl)benzyl]-3-thienyl}carbonyl)amino]ethyl}benzoic acid

HRID 870059
Notes
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Reaction equation

HRID 870059 reaction equation
[CH3:1][C:2]1[S:3][C:4]([CH3:33])=[C:5]([CH2:22][C:23]2[CH:28]=[CH:27][C:26]([C:29]([F:32])([F:31])[F:30])=[CH:25][CH:24]=2)[C:6]=1[C:7]([NH:9][C@H:10]([C:12]1[CH:21]=[CH:20][C:15]([C:16]([O:18]C)=[O:17])=[CH:14][CH:13]=1)[CH3:11])=[O:8].[Li+].[OH-].Cl>C1COCC1.CO>[CH3:1][C:2]1[S:3][C:4]([CH3:33])=[C:5]([CH2:22][C:23]2[CH:24]=[CH:25][C:26]([C:29]([F:31])([F:32])[F:30])=[CH:27][CH:28]=2)[C:6]=1[C:7]([NH:9][C@H:10]([C:12]1[CH:21]=[CH:20][C:15]([C:16]([OH:18])=[O:17])=[CH:14][CH:13]=1)[CH3:11])=[O:8]
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

6

Reactant 3

HCID 313Hydrochloric AcidHCID 3939Lithium HydroxideHCID 24953975methyl 4-{(1S)-1-[({2,5-dimethyl-4-[4-(trifluoromethyl)benzyl]-3-thienyl}carbonyl)amino]ethyl}benzoate

Product 1

HCID 249529274-{(1S)-1-[({2,5-dimethyl-4-[4-(trifluoromethyl)benzyl]-3-thienyl}carbonyl)amino]ethyl}benzoic acid

Reagents, catalysts & solvents 2

HCID 887
Methanol
Solvent
HCID 8028TetrahydrofuranSolvent

Procedure

A solution of methyl 4-{(1S)-1-[({2,5-dimethyl-4-[4-(trifluoromethyl)benzyl]-3-thienyl}carbonyl)amino]ethyl}benzoate from Example 11, Step 5 (5.68 g, 11.9 mmol) in THF (305 mL) and MeOH (152 mL) was treated with LiOH (1N in water, 35.8 mL, 35.8 mmol) at r.t. for 44 h and at 50° C. for 3.5 h. The solution was allowed to cool to r.t., and 1N HCl was added (38.2 mL, 3.2 eq). 350 mL of volatiles were removed in vacuo, 800 mL of water was added to the residue and the resulting suspension was stirred for 19 h. The solid was collected by filtration, rinsed with water and dried. The desired product was obtained as a white solid. MS (−APCI): m/z 460 (M−1)−.

Workup

  1. custom350 mL of volatiles were removed in vacuo, 800 mL of water
  2. additionwas added to the residue
  3. filtrationThe solid was collected by filtration
  4. washrinsed with water
  5. customdried

Sources & evidence

ORD record
ord-6597a95d537e4d1787317ca50fb492fa
Source dataset
uspto-grants-2015_03
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08969394B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes