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Triethylamine → N-[4-chloro-2-[(E)-hydroxyiminomethyl]-5-[4-[3-(2-methoxyphenyl)-5-methyl-1,2-oxazole-4-carbonyl]piperazin-1-yl]phenyl]-4-(dimethylamino)benzamide

HRID 1808900
Notes
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Reaction equation

HRID 1808900 reaction equation
[Cl:1][C:2]1[C:7]([N:8]2[CH2:13][CH2:12][N:11]([C:14]([C:16]3[C:17]([C:22]4[CH:27]=[CH:26][CH:25]=[CH:24][C:23]=4[O:28][CH3:29])=[N:18][O:19][C:20]=3[CH3:21])=[O:15])[CH2:10][CH2:9]2)=[CH:6][C:5]([NH:30][C:31](=[O:41])[C:32]2[CH:37]=[CH:36][C:35]([N:38]([CH3:40])[CH3:39])=[CH:34][CH:33]=2)=[C:4]([CH:42]=O)[CH:3]=1.Cl.[NH2:45][OH:46].C(N(CC)CC)C>CN(C=O)C.CO.C(Cl)Cl>[Cl:1][C:2]1[C:7]([N:8]2[CH2:13][CH2:12][N:11]([C:14]([C:16]3[C:17]([C:22]4[CH:27]=[CH:26][CH:25]=[CH:24][C:23]=4[O:28][CH3:29])=[N:18][O:19][C:20]=3[CH3:21])=[O:15])[CH2:10][CH2:9]2)=[CH:6][C:5]([NH:30][C:31](=[O:41])[C:32]2[CH:33]=[CH:34][C:35]([N:38]([CH3:40])[CH3:39])=[CH:36][CH:37]=2)=[C:4](/[CH:42]=[N:45]/[OH:46])[CH:3]=1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

7

Reactant 3

HCID 8471TriethylamineHCID 443297Hydroxyamine hydrochlorideHCID 86670897N-(4-chloro-2-formyl-5-(4-(3-(2-methoxyphenyl)-5-methylisoxazole-4-carbonyl)piperazin-1-yl)phenyl)-4-(dimethylamino)benzamide

Product 1

HCID 87113030N-[4-chloro-2-[(E)-hydroxyiminomethyl]-5-[4-[3-(2-methoxyphenyl)-5-methyl-1,2-oxazole-4-carbonyl]piperazin-1-yl]phenyl]-4-(dimethylamino)benzamideYield 33.7%

Reagents, catalysts & solvents

3
HCID 887MethanolSolventHCID 6228DimethylformamideSolventHCID 6344DichloromethaneSolvent

Procedure

The reaction mixture of N-(4-chloro-2-formyl-5-(4-(3-(2-methoxyphenyl)-5-methylisoxazole-4-carbonyl)piperazin-1-yl)phenyl)-4-(dimethylamino)benzamide (Example 115, 7.7 mg, 0.013 mmol), hydroxylamine hydrochloride (1.8 mg, 0.026 mmol) and triethylamine (3.6 μL, 0.026 mmol) in DMF (1.2 mL), MeOH (0.240 mL) and DCM (0.240 mL) was stirred at RT overnight. The product was purified by preparative HPLC (10 mM NH4OAc AcCN/H2O) to give 2.7 mg of the title compound. 1H-NMR (DMSO-d6, 400 MHz) δ 11.46 (1H, br. s.), 8.48 (1H, s), 8.31 (1H, s), 7.87 (2H, d, J=9.0 Hz), 7.58 (1H, s), 7.55-7.44 (2H, m), 7.18 (1H, d, J=8.3 Hz), 7.10 (1H, t, J=7.5 Hz), 6.81 (2H, d, J=9.0 Hz), 3.75 (3H, s), 3.03 (6H, s). HPLC/MS (Method H): (ES+) m/z (M+H)+=617; Rt=1.98 min.

Workup

  1. customThe product was purified by preparative HPLC (10 mM NH4OAc AcCN/H2O)

Sources & evidence

ORD record
ord-a7922dd441924a58b67f13a5ca183c06
Source dataset
uspto-grants-2013_01
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08362004B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes