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4-Methoxybenzylamine → 3-{3-[6-Chloro-2-(4-methoxy-benzylamino)-pyrimidin-4-ylmethyl]-5-isopropyl-2,6-dioxo-1,2,3,6-tetrahydro-pyrimidine-4-carbonyl}-5-methyl-benzonitrile

HRID 426222
Notes
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Reaction equation

HRID 426222 reaction equation
[Cl:1][C:2]1[N:7]=[C:6]([CH2:8][N:9]2[C:14]([C:15]([C:17]3[CH:18]=[C:19]([CH:22]=[C:23]([CH3:25])[CH:24]=3)[C:20]#[N:21])=[O:16])=[C:13]([CH:26]([CH3:28])[CH3:27])[C:12](=[O:29])[NH:11][C:10]2=[O:30])[CH:5]=[C:4]([Cl:31])[N:3]=1.[CH3:32][O:33][C:34]1[CH:41]=[CH:40][C:37]([CH2:38][NH2:39])=[CH:36][CH:35]=1>C(#N)C>[Cl:1][C:2]1[N:7]=[C:6]([CH2:8][N:9]2[C:14]([C:15]([C:17]3[CH:18]=[C:19]([CH:22]=[C:23]([CH3:25])[CH:24]=3)[C:20]#[N:21])=[O:16])=[C:13]([CH:26]([CH3:27])[CH3:28])[C:12](=[O:29])[NH:11][C:10]2=[O:30])[CH:5]=[C:4]([NH:39][CH2:38][C:37]2[CH:40]=[CH:41][C:34]([O:33][CH3:32])=[CH:35][CH:36]=2)[N:3]=1.[Cl:31][C:4]1[N:3]=[C:2]([NH:39][CH2:38][C:37]2[CH:40]=[CH:41][C:34]([O:33][CH3:32])=[CH:35][CH:36]=2)[N:7]=[C:6]([CH2:8][N:9]2[C:14]([C:15]([C:17]3[CH:18]=[C:19]([CH:22]=[C:23]([CH3:25])[CH:24]=3)[C:20]#[N:21])=[O:16])=[C:13]([CH:26]([CH3:27])[CH3:28])[C:12](=[O:29])[NH:11][C:10]2=[O:30])[CH:5]=1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

5

Reactant 2

HCID 754524-MethoxybenzylamineHCID 596868473-[3-(2,6-Dichloro-pyrimidin-4-ylmethyl)-5-isopropyl-2,6-dioxo-1,2,3,6-tetrahydro-pyrimidine-4-carbonyl]-5-methyl-benzonitrile

Product 2

HCID 866192313-{3-[2-Chloro-6-(4-methoxy-benzylamino)-pyrimidin-4-ylmethyl]-5-isopropyl-2,6-dioxo-1,2,3,6-tetrahydro-pyrimidine-4-carbonyl}-5-methyl-benzonitrileYield 25%
HCID 86619232
3-{3-[6-Chloro-2-(4-methoxy-benzylamino)-pyrimidin-4-ylmethyl]-5-isopropyl-2,6-dioxo-1,2,3,6-tetrahydro-pyrimidine-4-carbonyl}-5-methyl-benzonitrile
Yield 54%

Reagents, catalysts & solvents 1

HCID 6342AcetonitrileSolvent

Procedure

A mixture of 3-[3-(2,6-Dichloro-pyrimidin-4-ylmethyl)-5-isopropyl-2,6-dioxo-1,2,3,6-tetrahydro-pyrimidine-4-carbonyl]-5-methyl-benzonitrile (458 mg, 1 mmol) and p-methoxy benzylamine (262 μl, 2 mmol) in acetonitrile (10 ml) was refluxed for 2.5 hr. After cooling to room temperature, the mixture was evaporated in vacuo. The residue was dissolved in dichloromethane (20 ml), washed with water, dried with anhydrous magnesium sulfate, filtered, and evaporated in vacuo. The residue was purified by silica gel column chromatography (eluent, EA:hexane (1:2)) to afford 143 mg (25%) of 3-{3-[2-Chloro-6-(4-methoxy-benzylamino)-pyrimidin-4-ylmethyl]-5-isopropyl-2,6-dioxo-1,2,3,6-tetrahydro-pyrimidine-4-carbonyl}-5-methyl-benzonitrile (Rf=0.14) and 302 mg (54%) of 3-{3-[6-Chloro-2-(4-methoxy-benzylamino)-pyrimidin-4-ylmethyl]-5-isopropyl-2,6-dioxo-1,2,3,6-tetrahydro-pyrimidine-4-carbonyl}-5-methyl-benzonitrile (Rf=0.06) as a white solid, respectively.

Workup

  1. temperaturewas refluxed for 2.5 hr
  2. customthe mixture was evaporated in vacuo
  3. dissolutionThe residue was dissolved in dichloromethane (20 ml)
  4. washwashed with water
  5. dry with materialdried with anhydrous magnesium sulfate
  6. filtrationfiltered
  7. customevaporated in vacuo
  8. customThe residue was purified by silica gel column chromatography (eluent, EA:hexane (1:2))

Sources & evidence

ORD record
ord-77b4ebd13045466580510f302326e282
Source dataset
uspto-grants-2012_01
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08106064B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes