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2-Aminothiazole → 4-[(3'S)-3-(3,5-dichlorophenyl)-2'-oxo-1,3'-bipyrrolidin-1'-yl]-2,6-difluoro-N-(thiazol-2-yl)benzenesulfonamide

HRID 1797874
Notes
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Reaction equation

HRID 1797874 reaction equation
[NH2:1][C:2]1[S:3][CH:4]=[CH:5][N:6]=1.C(N=C(N(C)C)N(C)C)(C)(C)C.[Cl:19][C:20]1[CH:21]=[C:22]([CH:27]2[CH2:31][CH2:30][N:29]([C@H:32]3[CH2:36][CH2:35][N:34]([C:37]4[CH:42]=[C:41]([F:43])[C:40]([S:44](Cl)(=[O:46])=[O:45])=[C:39]([F:48])[CH:38]=4)[C:33]3=[O:49])[CH2:28]2)[CH:23]=[C:24]([Cl:26])[CH:25]=1>C(#N)C.CS(C)=O>[Cl:26][C:24]1[CH:23]=[C:22]([CH:27]2[CH2:31][CH2:30][N:29]([C@H:32]3[CH2:36][CH2:35][N:34]([C:37]4[CH:42]=[C:41]([F:43])[C:40]([S:44]([NH:1][C:2]5[S:3][CH:4]=[CH:5][N:6]=5)(=[O:45])=[O:46])=[C:39]([F:48])[CH:38]=4)[C:33]3=[O:49])[CH2:28]2)[CH:21]=[C:20]([Cl:19])[CH:25]=1
ParticipantsConditionsProcedureWorkupSources & evidenceReaction notes

Participants

6

Reactant 3

HCID 21552-AminothiazoleHCID 35715812-tert-Butyl-1,1,3,3-tetramethylguanidineHCID 866377584-[(3'S)-3-(3,5-Dichlorophenyl)-2'-oxo-1,3'-bipyrrolidin-1'-yl]-2,6-difluorobenzene-1-sulfonyl chloride

Product 1

HCID 446033014-[(3'S)-3-(3,5-dichlorophenyl)-2'-oxo-1,3'-bipyrrolidin-1'-yl]-2,6-difluoro-N-(thiazol-2-yl)benzenesulfonamide

Reagents, catalysts & solvents 2

HCID 679
Dimethyl Sulfoxide
Solvent
HCID 6342AcetonitrileSolvent

Conditions

Temperature
0 °C

Procedure

Synthesized according to General Procedure 12, Method B. To a solution of 2-aminothiazole (35 mg, 0.35 mmol) in acetonitrile (0.4 mL) at 0° C. was added 2-tert-butyl-1,1,3,3-tetramethylguanidine (61 mg, 0.35 mmol) dropwise and the reaction mixture stirred at 0° C. for 10 min. 4-[(3′S)-3-(3,5-dichlorophenyl)-2′-oxo-1,3′-bipyrrolidin-1′-yl]-2,6-difluorobenzene-1-sulfonyl chloride (60 mg, 0.12 mmol) was added and the reaction mixture was stirred at RT for 16 hours. The reaction mixture was diluted with DMSO, filtered and purified by reverse phase HPLC using 5%-99% CH3CN (0.035% TFA)/H2O (0.05% TFA) to afford 4-[(3′S)-3-(3,5-dichlorophenyl)-2′-oxo-1,3′-bipyrrolidin-1′-yl]-2,6-difluoro-N-(thiazol-2-yl)benzenesulfonamide. LC/MS (10%-99% CH3CN (0.035% TFA)/H2O (0.05% TFA)), m/z: M+1 obs=573.3; tR=1.32 min.

Workup

  1. customSynthesized
  2. stirringthe reaction mixture was stirred at RT for 16 hours
  3. filtrationfiltered
  4. custompurified by reverse phase

Sources & evidence

ORD record
ord-767b5dbf25e14b1da9c21eed34de6be2
Source dataset
uspto-grants-2013_01
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08343763B2

Reaction notes

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On this pageParticipantsConditionsProcedureWorkupSources & evidenceReaction notes