Hydrochloric Acid → HCID 23447403, compound
Reaction equation
Cl.C(OC([NH:9][C:10]1[CH:37]=[CH:36][C:13]([CH2:14][N:15]2[CH2:20][CH2:19][N:18]([S:21]([C:24]3[CH:33]=[CH:32][C:31]4[C:26](=[CH:27][CH:28]=[C:29]([Cl:34])[CH:30]=4)[CH:25]=3)(=[O:23])=[O:22])[CH2:17][C:16]2=[O:35])=[CH:12][CH:11]=1)=O)(C)(C)C>C(OCC)(=O)C.CO>[ClH:34].[NH2:9][C:10]1[CH:37]=[CH:36][C:13]([CH2:14][N:15]2[CH2:20][CH2:19][N:18]([S:21]([C:24]3[CH:33]=[CH:32][C:31]4[C:26](=[CH:27][CH:28]=[C:29]([Cl:34])[CH:30]=4)[CH:25]=3)(=[O:22])=[O:23])[CH2:17][C:16]2=[O:35])=[CH:12][CH:11]=1Participants
5
Reactant 2
Product 1
Reagents, catalysts & solvents 2
Procedure
A solution of 4 N hydrochloric acid in ethyl acetate (10 ml) was added to a solution of 1-[4-(tert-butoxycarbonylamino)benzyl]-4-(6-chloronaphthalene-2-sulfonyl)-2-piperazinone (530 mg) in methanol (2 ml), and the mixture was stirred at room temperature for 3 hours. The reaction solution was concentrated, and the resulting crystals were filtered, washed with ethyl acetate-ether and dried to give the title compound (457 mg).
Workup
- concentrationThe reaction solution was concentrated
- filtrationthe resulting crystals were filtered
- washwashed with ethyl acetate-ether
- customdried
Sources & evidence
- ORD record
- ord-9be5d819b11849cca4784bb67a74267f
- Source dataset
- uspto-grants-2004_01
- Patent number
- US06680312B2
Reaction notes
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