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Water → HCID 59514516, compound

HRID 2422157
Notes
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Reaction equation

HRID 2422157 reaction equation
[CH3:1][O:2][C:3](=[O:25])[CH2:4][C:5]1[C:6](Cl)=[N:7][C:8]([CH2:14][C:15]2[CH:20]=[CH:19][C:18]([N+:21]([O-:23])=[O:22])=[CH:17][CH:16]=2)=[N:9][C:10]=1[N:11]([CH3:13])[CH3:12].[Cl-].[CH3:27][NH2+:28][CH3:29].C(N(CC)C(C)C)(C)C.O>CN1C(=O)N(C)CCC1>[CH3:1][O:2][C:3](=[O:25])[CH2:4][C:5]1[C:6]([N:28]([CH3:29])[CH3:27])=[N:7][C:8]([CH2:14][C:15]2[CH:20]=[CH:19][C:18]([N+:21]([O-:23])=[O:22])=[CH:17][CH:16]=2)=[N:9][C:10]=1[N:11]([CH3:13])[CH3:12]
ParticipantsConditionsProcedureWorkupSources & evidenceReaction notes

Participants

6

Reactant 4

HCID 962WaterHCID 81531DiisopropylethylamineHCID 12954980Dimethylazanium;chlorideHCID 59514518HCID 59514518, compound

Product 1

HCID 59514516HCID 59514516, compoundYield 69%

Reagents, catalysts & solvents 1

HCID 81646
2(1H)-Pyrimidinone, tetrahydro-1,3-dimethyl-
Solvent

Conditions

Temperature
150 °C

Procedure

A mixture of methyl[4-chloro-6-(dimethylamino)-2-(4-nitrobenzyl)pyrimidin-5-yl]acetate (7.75 g, 21.25 mmol), dimethylammonium chloride (5.20 g, 63.74 mmol), and N,N-diisopropylethylamine (10.98 g, 84.98 mmol) in DMPU (50 mL) was heated at 150° C. in a sealed tube for 15 hours. After cooling to room temperature, the dark mixture was poured into water and extracted with ethyl acetate. The combined extracts were washed sequentially with water and brine, dried over anhydrous sodium sulfate, filtered, and concentrated to yield the crude product as a dark oil. Chromatographic purification of this crude product over silica gel eluting with 25% ethyl acetate in n-hexane containing 0.1% triethylamine gave methyl[4,6-bis(dimethylamino)-2-(4-nitro-benzyl)pyrimidin-5-yl]acetate (5.44 g, 69%) as a red colored oil.

Workup

  1. temperatureAfter cooling to room temperature
  2. extractionextracted with ethyl acetate
  3. washThe combined extracts were washed sequentially with water and brine
  4. dry with materialdried over anhydrous sodium sulfate
  5. filtrationfiltered
  6. concentrationconcentrated
  7. customto yield the crude product as a dark oil
  8. customChromatographic purification of this crude product over silica gel eluting with 25% ethyl acetate in n-hexane containing 0.1% triethylamine

Sources & evidence

ORD record
ord-6a6f75eccee749a9b18c7c3918feb24b
Source dataset
uspto-grants-2011_06
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US07960393B2

Reaction notes

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On this pageParticipantsConditionsProcedureWorkupSources & evidenceReaction notes