Diisopropylethylamine → HCID 86587979, compound
Reaction equation
[Cl:1][C:2]1[CH:7]=[C:6]([I:8])[CH:5]=[CH:4][C:3]=1[NH:9][C:10]1[CH:18]=[C:17]([S:19](=[O:24])(=[O:23])[N:20]([CH3:22])[CH3:21])[CH:16]=[CH:15][C:11]=1[C:12](O)=[O:13].[O:25]1[CH2:30][CH2:29][CH2:28][CH2:27][CH:26]1[O:31][NH2:32].F[P-](F)(F)(F)(F)F.N1(O[P+](N2CCCC2)(N2CCCC2)N2CCCC2)C2C=CC=CC=2N=N1.C(N(C(C)C)CC)(C)C>O1CCCC1.ClCCl>[O:25]1[CH2:30][CH2:29][CH2:28][CH2:27][CH:26]1[O:31][NH:32][C:12](=[O:13])[C:11]1[CH:15]=[CH:16][C:17]([S:19](=[O:24])(=[O:23])[N:20]([CH3:22])[CH3:21])=[CH:18][C:10]=1[NH:9][C:3]1[CH:4]=[CH:5][C:6]([I:8])=[CH:7][C:2]=1[Cl:1]Participants
6
Procedure
A solution comprised of 2-(2-chloro-4-iodo-phenylamino)-4-dimethylsulfamoyl-benzoic acid, O-(tetrahydro-2H-pyran-2-yl)-hydroxylamine (1.25 molar equivalents), benzotriazole-1-yl-oxy-tris-pyrrolidino-phosphonium hexafluorophosphate (1.25 molar equivalents), and diisopropylethylamine (3 molar equivalents) in 1:1 v/v tetrahydrofuran-dichloromethane is stirred for 30 minutes. The reaction mixture is concentrated in vacuo and the residue is purified by flash chromatography; elution with dichloromethane affords the desired product. The product may be recrystallized with an appropriate solvent like methanol if further purification is necessary.
Workup
- concentrationThe reaction mixture is concentrated in vacuo
- customthe residue is purified by flash chromatography
- washelution with dichloromethane
Sources & evidence
- ORD record
- ord-e0becfe9badc45ed9ed806259d6b45ed
- Source dataset
- uspto-grants-2002_08
- Patent number
- US06440966B1
Reaction notes
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