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Triethylamine → 2-(6,7-dichloro-3-oxo-2,3-dihydro-4H-1,4-benzoxazin-4-yl)-N-[1-{3'-[(ethylsulfonyl)amino]-4-biphenylyl}-2-(4-morpholinyl)ethyl]-N-methylacetamide

HRID 2354431
Notes
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Reaction equation

HRID 2354431 reaction equation
[NH2:1][C:2]1[CH:3]=[C:4]([C:8]2[CH:13]=[CH:12][C:11]([CH:14]([N:22]([CH3:39])[C:23](=[O:38])[CH2:24][N:25]3[C:30]4[CH:31]=[C:32]([Cl:36])[C:33]([Cl:35])=[CH:34][C:29]=4[O:28][CH2:27][C:26]3=[O:37])[CH2:15][N:16]3[CH2:21][CH2:20][O:19][CH2:18][CH2:17]3)=[CH:10][CH:9]=2)[CH:5]=[CH:6][CH:7]=1.[CH2:40]([S:42](Cl)(=[O:44])=[O:43])[CH3:41].C(N(CC)CC)C>ClCCl>[Cl:36][C:32]1[C:33]([Cl:35])=[CH:34][C:29]2[O:28][CH2:27][C:26](=[O:37])[N:25]([CH2:24][C:23]([N:22]([CH:14]([C:11]3[CH:12]=[CH:13][C:8]([C:4]4[CH:5]=[CH:6][CH:7]=[C:2]([NH:1][S:42]([CH2:40][CH3:41])(=[O:44])=[O:43])[CH:3]=4)=[CH:9][CH:10]=3)[CH2:15][N:16]3[CH2:17][CH2:18][O:19][CH2:20][CH2:21]3)[CH3:39])=[O:38])[C:30]=2[CH:31]=1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

5

Reactant 3

HCID 8471TriethylamineHCID 11667Ethanesulfonyl chlorideHCID 57489027N-[1-(3'-amino-4-biphenylyl)-2-(4-morpholinyl)ethyl]-2-(6,7-dichloro-3-oxo-2,3-dihydro-4H-1,4-benzoxazin-4-yl)-N-methylacetamide

Product 1

HCID 574890312-(6,7-dichloro-3-oxo-2,3-dihydro-4H-1,4-benzoxazin-4-yl)-N-[1-{3'-[(ethylsulfonyl)amino]-4-biphenylyl}-2-(4-morpholinyl)ethyl]-N-methylacetamideYield 33.3%

Reagents, catalysts & solvents

1
HCID 6344DichloromethaneSolvent

Procedure

To a solution of N-[1-(3′-amino-4-biphenylyl)-2-(4-morpholinyl)ethyl]-2-(6,7-dichloro-3-oxo-2,3-dihydro-4H-1,4-benzoxazin-4-yl)-N-methylacetamide (70.1 mg, 0.12 mmol) in dichloromethane (1 mL) was added ethanesulfonyl chloride (32 mg, 0.24 mmol). Triethylamine (50 mg, 0.50 mmol) was added and the resultant mixture was stirred at room temperature for 16 h. The mixture was concentrated under reduced pressure and the residue was purified by Gilson preparative HPLC (Sunfire Prep C18, 30×150 mm, 50 mL/min, A: acetonitrile with 0.1% TFA B: water with 0.1% TFA, A: 30 to 60% over 12 min, UV detection at 214 nm) to give 26.4 mg (33%) of the title compound as off white solid. MS (ES) m/e 661.2 [M+H]+.

Workup

  1. concentrationThe mixture was concentrated under reduced pressure
  2. customthe residue was purified by Gilson preparative HPLC (Sunfire Prep C18, 30×150 mm, 50 mL/min

Sources & evidence

ORD record
ord-a5d0cd65030a446aa30342c37d2142a9
Source dataset
uspto-grants-2010_07
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US07749998B2

Reaction notes

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