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Cesium carbonate → 4-(7-bromo-1-oxo-1H-6-azaisoquinolin-2-ylmethyl)benzenesulfonamide

HRID 489179
Notes
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Reaction equation

HRID 489179 reaction equation
[Br:1][C:2]1[CH:11]=[C:10]2[C:5]([CH:6]=[CH:7][N:8]=[C:9]2[OH:12])=[CH:4][N:3]=1.Br[CH2:14][C:15]1[CH:20]=[CH:19][C:18]([S:21]([NH2:24])(=[O:23])=[O:22])=[CH:17][CH:16]=1.C(=O)([O-])[O-].[Cs+].[Cs+]>CN(C)C=O>[Br:1][C:2]1[CH:11]=[C:10]2[C:5]([CH:6]=[CH:7][N:8]([CH2:14][C:15]3[CH:16]=[CH:17][C:18]([S:21]([NH2:24])(=[O:23])=[O:22])=[CH:19][CH:20]=3)[C:9]2=[O:12])=[CH:4][N:3]=1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

5

Reactant 3

HCID 10796Cesium carbonateHCID 131545004-BromomethylbenzenesulfonamideHCID 178517684HCID 178517684, compound

Product 1

HCID 222653214-(7-bromo-1-oxo-1H-6-azaisoquinolin-2-ylmethyl)benzenesulfonamide

Reagents, catalysts & solvents 1

HCID 6228DimethylformamideSolvent

Procedure

The alkylation of 7-bromo-1-hydroxy-6-azaisoquinoline (1.00 g, 4.40 mmol) using 4-bromomethyl-benzene sulfonamide (1.67 g, 6.69 mmol) and cesium carbonate (2.18 g, 6.69 mmol) in dimethyl-formamide is carried out as previously described in Example 1, Step (1). Purification on a silica gel column eluted with hexanes/ethyl acetate 3:1, followed by trituration with hexanes/ethyl acetate 4:1 will afford the desired product. Step (2): 4-[1-oxo-7-(3-phenyl-prop-1-ynyl)-1H-6-azaisoquinolin-2-ylmethyl]benzenesulfonamide

Workup

  1. customPurification on a silica gel column
  2. washeluted with hexanes/ethyl acetate 3:1

Sources & evidence

ORD record
ord-f7ae8b93aa9b4c25a935b342088dcbcf
Source dataset
uspto-grants-2005_12
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US06977261B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes