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HCID 123316877, compound → 6-(4-hydroxy-2-methylphenyl)-1,5-dimethyl-3-{[2-(trimethylsilyl)ethoxy]methyl}pyrimidine-2,4(1H,3H)-dione

HRID 2281926
Notes
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Reaction equation

HRID 2281926 reaction equation
C([O:8][C:9]1[CH:14]=[CH:13][C:12]([C:15]2[N:20]([CH3:21])[C:19](=[O:22])[N:18]([CH2:23][O:24][CH2:25][CH2:26][Si:27]([CH3:30])([CH3:29])[CH3:28])[C:17](=[O:31])[C:16]=2[CH3:32])=[C:11]([CH3:33])[CH:10]=1)C1C=CC=CC=1.[H][H]>CO.[OH-].[Pd+2].[OH-]>[OH:8][C:9]1[CH:14]=[CH:13][C:12]([C:15]2[N:20]([CH3:21])[C:19](=[O:22])[N:18]([CH2:23][O:24][CH2:25][CH2:26][Si:27]([CH3:30])([CH3:29])[CH3:28])[C:17](=[O:31])[C:16]=2[CH3:32])=[C:11]([CH3:33])[CH:10]=1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

5

Reactant 2

HCID 123316877HCID 123316877, compoundHCID 178418361HCID 178418361, compound

Product 1

HCID 1239830176-(4-hydroxy-2-methylphenyl)-1,5-dimethyl-3-{[2-(trimethylsilyl)ethoxy]methyl}pyrimidine-2,4(1H,3H)-dione

Reagents, catalysts & solvents 2

HCID 9942167Palladium hydroxideCatalystHCID 887MethanolSolvent

Procedure

A mixture of C4 (10 g, 21 mmol) and palladium hydroxide (2 g, dry) in methanol (300 mL) was stirred at room temperature for 24 hours under 40 psi of hydrogen. After filtration of the reaction mixture, the filtrate was concentrated to provide the product as a light yellow solid. Yield: 8.0 g, 21 mmol, 100%. 1H NMR (400 MHz, CDCl3) δ 6.92 (d, half of AB quartet, J=8.2 Hz, 1H), 6.81-6.87 (m, 2H), 5.52 (AB quartet, JAB=9.5 Hz, ΔνAB=2.7 Hz, 2H), 3.73-3.80 (m, 2H), 3.03 (s, 3H), 2.11 (s, 3H), 1.65 (s, 3H), 0.99-1.05 (m, 2H), 0.01 (s, 9H).

Workup

  1. filtrationAfter filtration of the reaction mixture
  2. concentrationthe filtrate was concentrated

Sources & evidence

ORD record
ord-56915536f943463f9b39854b05cf9633
Source dataset
uspto-grants-2015_09
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US09139561B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes