4,6-Dichloro-5-nitropyrimidine → HCID 55035392, compound
Reaction equation
Cl.[CH2:2]([O:4][C:5](=[O:8])[CH2:6][NH2:7])[CH3:3].[Cl:9][C:10]1[C:15]([N+:16]([O-:18])=[O:17])=[C:14](Cl)[N:13]=[CH:12][N:11]=1.C(N(C(C)C)C(C)C)C>CN(C=O)C>[CH2:2]([O:4][C:5](=[O:8])[CH2:6][NH:7][C:14]1[C:15]([N+:16]([O-:18])=[O:17])=[C:10]([Cl:9])[N:11]=[CH:12][N:13]=1)[CH3:3]Participants
5
Reactant 3
Product 1
Reagents, catalysts & solvents 1
Procedure
The amino-acetic acid ethyl ester hydrochloride (1439.15 mg; 10.31 mmol; 1.00 eq.) and 4,6-dichloro-5-nitro-pyrimidine (2000.00 mg; 10.31 mmol; 1.00 eq.) in anhydrous DMF (26 mL) was added ethyl-diisopropyl-amine (3997.72 mg; 30.93 mmol; 3.00 eq.) and the mixture was stirred for 3 hours. LC-MS showed that the reaction was complete. DMF was removed and EtOAc was added. The mixture was washed with brine, dried over MgSO4 and purified through flash chromatography on silica (EtOAc in Hexane from 0% to 30%) to provide (6-chloro-5-nitro-pyrimidin-4-ylamino)-acetic acid ethyl ester 2.1 g with 78% yield; LC/MS: 261 (M+H).
Workup
- customDMF was removed
- additionEtOAc was added
- washThe mixture was washed with brine
- dry with materialdried over MgSO4
- custompurified through flash chromatography on silica (EtOAc in Hexane from 0% to 30%)
Sources & evidence
- ORD record
- ord-ed00404515e848638053241226075025
- Source dataset
- uspto-grants-2016_04
- Patent number
- US09315517B2
Reaction notes
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