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4-tert-butyl-N-{6-[2-(4-benzyloxyphenoxy)ethoxy]-5-(4-methylphenyl)pyrimidin-4-yl}benzensulfonamide → 4-tert-butyl-N-{6-[2-(4-hydroxyphenoxy)ethoxy]-5-(4-methylphenyl)pyrimidin-4-yl}benzenesulfonamide

HRID 2284
Notes
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Reaction equation

HRID 2284 reaction equation
[C:1]([C:5]1[CH:10]=[CH:9][C:8]([S:11]([NH:14][C:15]2[C:20]([C:21]3[CH:26]=[CH:25][C:24]([CH3:27])=[CH:23][CH:22]=3)=[C:19]([O:28][CH2:29][CH2:30][O:31][C:32]3[CH:37]=[CH:36][C:35]([O:38]CC4C=CC=CC=4)=[CH:34][CH:33]=3)[N:18]=[CH:17][N:16]=2)(=[O:13])=[O:12])=[CH:7][CH:6]=1)([CH3:4])([CH3:3])[CH3:2]>[C].[Pd].C(O)C.O1CCCC1>[C:1]([C:5]1[CH:10]=[CH:9][C:8]([S:11]([NH:14][C:15]2[C:20]([C:21]3[CH:26]=[CH:25][C:24]([CH3:27])=[CH:23][CH:22]=3)=[C:19]([O:28][CH2:29][CH2:30][O:31][C:32]3[CH:33]=[CH:34][C:35]([OH:38])=[CH:36][CH:37]=3)[N:18]=[CH:17][N:16]=2)(=[O:13])=[O:12])=[CH:7][CH:6]=1)([CH3:4])([CH3:2])[CH3:3]
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

4

Reactant 1

HCID 196894574-tert-butyl-N-{6-[2-(4-benzyloxyphenoxy)ethoxy]-5-(4-methylphenyl)pyrimidin-4-yl}benzensulfonamide

Product 1

HCID 196895004-tert-butyl-N-{6-[2-(4-hydroxyphenoxy)ethoxy]-5-(4-methylphenyl)pyrimidin-4-yl}benzenesulfonamideYield 97.9%

Reagents, catalysts & solvents 2

HCID 178418390HCID 178418390, compoundCatalystHCID 21873804Tetrahydrofuran ethanolSolvent

Procedure

A mixture of 4-tert-butyl-N-{6-[2-(4-benzyloxyphenoxy)ethoxy]-5-(4-methylphenyl)pyrimidin-4-yl}benzensulfonamide (3.95 g), 10% palladium-carbon (1.5 g) and ethanol-tetrahydrofuran (80 ml-80 ml) is subjected to catalytic hydrogenation at room temperature under hydrogen atmosphere (1 atm) for 24 hours. The catalyst is removed by filtration, and the filtrate is concentrated. The residue is crystallized from ethyl acetate/diisopropyl ether to give 4-tert-butyl-N-{6-[2-(4-hydroxyphenoxy)ethoxy]-5-(4-methylphenyl)pyrimidin-4-yl}benzenesulfonamide (3.31 g).

Workup

  1. customis subjected to catalytic hydrogenation at room temperature under hydrogen atmosphere
  2. customfor 24 hours
  3. customThe catalyst is removed by filtration
  4. concentrationthe filtrate is concentrated
  5. customThe residue is crystallized from ethyl acetate/diisopropyl ether

Sources & evidence

ORD record
ord-a95cb73bbffa41a19d32814251cb5b39
Source dataset
uspto-grants-1998_03
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US05728706

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes