Cesium carbonate → HCID 67238326, compound

HRID 2363176Notes

Reaction equation

HRID 2363176 reaction equation
[Cl:1][C:2]1[C:7]([Cl:8])=[CH:6][CH:5]=[CH:4][C:3]=1B(O)O.[F:12][C:13]1[CH:14]=[C:15]([CH:25]([NH:27][C:28]([C:30]2[N:31]=[C:32](Cl)[O:33][CH:34]=2)=[O:29])[CH3:26])[CH:16]=[C:17]([F:24])[C:18]=1[NH:19][S:20]([CH3:23])(=[O:22])=[O:21].C([O-])([O-])=O.[Cs+].[Cs+]>Cl[Pd](Cl)([P](C1C=CC=CC=1)(C1C=CC=CC=1)C1C=CC=CC=1)[P](C1C=CC=CC=1)(C1C=CC=CC=1)C1C=CC=CC=1>[F:24][C:17]1[CH:16]=[C:15]([CH:25]([NH:27][C:28]([C:30]2[N:31]=[C:32]([C:3]3[CH:4]=[CH:5][CH:6]=[C:7]([Cl:8])[C:2]=3[Cl:1])[O:33][CH:34]=2)=[O:29])[CH3:26])[CH:14]=[C:13]([F:12])[C:18]=1[NH:19][S:20]([CH3:23])(=[O:22])=[O:21]

Participants

5

Reactant 3

HCID 10796Cesium carbonateHCID 27346612,3-Dichlorobenzeneboronic acidHCID 671108872-Chloro-oxazole-4-carboxylic acid [1-(3,5-difluoro-4-methanesulfonylamino-phenyl)-ethyl]-amide

Product 1

HCID 67238326HCID 67238326, compoundYield 14.1%

Reagents, catalysts & solvents 1

HCID 178418476HCID 178418476, compoundCatalyst

Procedure

2,3-Dichlorobenzeneboronic acid (49.6 mg, 0.26 mmol) and 2-chloro-oxazole-4-carboxylic acid [1-(3,5-difluoro-4-methanesulfonylamino-phenyl)-ethyl]-amide (50 mg, 0.13 mmol) was reacted using Pd(PPh3)2Cl2 (7 mg, 0.01 mmol), Cs2CO3 (127 mg, 0.39 mmol) as described above to give the title compound (9 mg, 14%) after purification by flash chromatography on silica gel (hexane: EtOAc=1:1).

Sources & evidence

ORD record
ord-40a371b7f4c9424d983800bb35db96bd
Source dataset
uspto-grants-2014_04
Patent number
US08691855B2

Reaction notes

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