Hydrochloric Acid → HCID 57443709, compound
Reaction equation
C(OC([N:8]1[CH2:13][CH2:12][N:11]([C:14]2[C:19]([Cl:20])=[C:18]([Cl:21])[N:17]=[C:16]([NH:22][CH3:23])[N:15]=2)[CH2:10][CH2:9]1)=O)(C)(C)C.[ClH:24]>C(OC(=O)C)C>[ClH:20].[ClH:24].[Cl:21][C:18]1[C:19]([Cl:20])=[C:14]([N:11]2[CH2:12][CH2:13][NH:8][CH2:9][CH2:10]2)[N:15]=[C:16]([NH:22][CH3:23])[N:17]=1Participants
4
Reactant 2
Product 1
Reagents, catalysts & solvents 1
Procedure
2.6 g (7.2 mmol) 4-(5,6-dichloro-2-methylamino-pyrimidin-4-yl)-piperazine-1-carboxylic acid tert-butyl ester was deprotected at 10° C. using 100 ml ethylacetate saturated with gaseous hydrochloric acid. After 4 hours the precipitate was filtered giving the title compound (2.4 g, 100%), melting at 204-209° C.
Workup
- customwas deprotected at 10° C.
- filtrationAfter 4 hours the precipitate was filtered
Sources & evidence
- ORD record
- ord-29a0c24c7a5c4c0795a894793f2060c6
- Source dataset
- uspto-grants-2011_01
- Patent number
- US07875610B2
Reaction notes
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