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Lithium Hydroxide → 2-(3-((4-(((tert-butoxycarbonyl)(methyl)amino)methyl)-2-(cyclohex-1-en-1-yl)-1H-pyrrol-1-yl)sulfonyl)phenoxy)acetic acid

HRID 1051024
Notes
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Reaction equation

HRID 1051024 reaction equation
[C:1]([O:5][C:6]([N:8]([CH2:10][C:11]1[CH:12]=[C:13]([C:32]2[CH2:37][CH2:36][CH2:35][CH2:34][CH:33]=2)[N:14]([S:16]([C:19]2[CH:20]=[C:21]([CH:29]=[CH:30][CH:31]=2)[O:22][CH2:23][C:24]([O:26]CC)=[O:25])(=[O:18])=[O:17])[CH:15]=1)[CH3:9])=[O:7])([CH3:4])([CH3:3])[CH3:2].[OH-].[Li+].O1CCCC1>O>[C:1]([O:5][C:6]([N:8]([CH2:10][C:11]1[CH:12]=[C:13]([C:32]2[CH2:37][CH2:36][CH2:35][CH2:34][CH:33]=2)[N:14]([S:16]([C:19]2[CH:20]=[C:21]([CH:29]=[CH:30][CH:31]=2)[O:22][CH2:23][C:24]([OH:26])=[O:25])(=[O:18])=[O:17])[CH:15]=1)[CH3:9])=[O:7])([CH3:4])([CH3:2])[CH3:3]
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

5

Reactant 3

HCID 3939Lithium HydroxideHCID 8028TetrahydrofuranHCID 90168595ethyl 2-(3-((4-(((tert-butoxycarbonyl)(methyl)amino)methyl)-2-(cyclohex-1-en-1-yl)-1H-pyrrol-1-yl)sulfonyl)phenoxy)acetate

Product 1

HCID 901685832-(3-((4-(((tert-butoxycarbonyl)(methyl)amino)methyl)-2-(cyclohex-1-en-1-yl)-1H-pyrrol-1-yl)sulfonyl)phenoxy)acetic acid

Reagents, catalysts & solvents 1

HCID 962
Water
Solvent

Procedure

Ethyl 2-(3-((4-(((tert-butoxycarbonyl)(methyl)amino)methyl)-2-(cyclohex-1-en-1-yl)-1H-pyrrol-1-yl)sulfonyl)phenoxy)acetate 8a (97 mg, 0.18 mmol) and lithium hydroxide (100 mg, 4.2 mmol) were added to 25 mL of a mixed solvent of tetrahydrofuran and water (V:V=1:1), and then the reaction solution was stirred for 1 h. The reaction solution was extracted with dichloromethane (50 mL×3), and the organic phases were combined, washed with saturated sodium chloride solution, dried over anhydrous sodium sulfate, filtered, and the filtrate was concentrated under reduced pressure to obtain the title product 2-(3-((4-(((tert-butoxycarbonyl)(methyl)amino)methyl)-2-(cyclohex-1-en-1-yl)-1H-pyrrol-1-yl)sulfonyl)phenoxy)acetic acid 8b (69 mg, a colorless oil) in 75% yield.

Workup

  1. extractionThe reaction solution was extracted with dichloromethane (50 mL×3)
  2. washwashed with saturated sodium chloride solution
  3. dry with materialdried over anhydrous sodium sulfate
  4. filtrationfiltered
  5. concentrationthe filtrate was concentrated under reduced pressure

Sources & evidence

ORD record
ord-8f5a45fbad5e4f5f9e060d73ea1eeb64
Source dataset
uspto-grants-2016_07
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US09388133B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes