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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 2261488
Notes
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Reaction equation

HRID 2261488 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-8f82fedfc0574701b36d47f12215469c
Source dataset
uspto-grants-2010_12
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US07846954B2

Reaction notes

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On this pageParticipantsConditionsProcedureWorkupSources & evidenceReaction notes