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2-(Methylsulfonyl)ethanamine → 2,4-Difluoro-N-{2-fluoro-5-[2-(1-methylethyl)-5-(2-{[2-(methylsulfonyl)ethyl]amino}-4-pyrimidinyl)-1,3-thiazol-4-yl]phenyl}benzenesulfonamide

HRID 590093
Notes
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Reaction equation

HRID 590093 reaction equation
[CH3:1][S:2]([CH2:5][CH2:6][NH2:7])(=[O:4])=[O:3].Cl[C:9]1[N:14]=[C:13]([C:15]2[S:19][C:18]([CH:20]([CH3:22])[CH3:21])=[N:17][C:16]=2[C:23]2[CH:24]=[CH:25][C:26]([F:41])=[C:27]([NH:29][S:30]([C:33]3[CH:38]=[CH:37][C:36]([F:39])=[CH:35][C:34]=3[F:40])(=[O:32])=[O:31])[CH:28]=2)[CH:12]=[CH:11][N:10]=1>C(O)(C)C>[F:40][C:34]1[CH:35]=[C:36]([F:39])[CH:37]=[CH:38][C:33]=1[S:30]([NH:29][C:27]1[CH:28]=[C:23]([C:16]2[N:17]=[C:18]([CH:20]([CH3:21])[CH3:22])[S:19][C:15]=2[C:13]2[CH:12]=[CH:11][N:10]=[C:9]([NH:7][CH2:6][CH2:5][S:2]([CH3:1])(=[O:4])=[O:3])[N:14]=2)[CH:24]=[CH:25][C:26]=1[F:41])(=[O:32])=[O:31]
ParticipantsConditionsProcedureWorkupSources & evidenceReaction notes

Participants

4

Reactant 2

HCID 43405612-(Methylsulfonyl)ethanamineHCID 57989690N-{5-[5-(2-Chloro-4-pyrimidinyl)-2-(1-methylethyl)-1,3-thiazol-4-yl]-2-fluorophenyl}-2,4-difluorobenzenesulfonamide

Product 1

HCID 579898802,4-Difluoro-N-{2-fluoro-5-[2-(1-methylethyl)-5-(2-{[2-(methylsulfonyl)ethyl]amino}-4-pyrimidinyl)-1,3-thiazol-4-yl]phenyl}benzenesulfonamideYield 46.9%

Reagents, catalysts & solvents 1

HCID 3776
Isopropanol
Solvent

Conditions

Temperature
55 °C

Procedure

[2-(Methylsulfonyl)ethyl]amine (352 mg, 2.86 mmol) and N-{5-[5-(2-chloro-4-pyrimidinyl)-2-(1-methylethyl)-1,3-thiazol-4-yl]-2-fluorophenyl}-2,4-difluorobenzenesulfonamide (150 mg, 0.286 mmol) were combined and heated to 55° C. overnight. Isopropanol (1 mL) was added to the reaction mixture and stirred an additional 30 min. The reaction mixture was cooled to rt and partitioned between DCM and 10% aqueous HCl. The organic layer was separated and dried over MgSO4, filtered, and concentrated over silica gel. The crude product was chromatographed on silica gel eluting with 100% DCM to 6:4 [DCM:(9:1 EtOAc:MeOH)]. The clean fractions were combined and concentrated to obtain the title compound as a white foam (82.1 mg; 45% yield). 1H NMR (400 MHz, DMSO-d6) δ ppm 10.65 (s, 1H) 8.14 (d, J=4.2 Hz, 1H) 7.72 (q, J=7.6 Hz, 1H) 7.54 (t, J=9.7 Hz, 1H) 7.47 (br. s., 1H) 7.30-7.42 (m, 2H) 7.11-7.30 (m, 2H) 6.23 (d, J=1.2 Hz, 1H) 3.64 (d, J=0.9 Hz, 2H) 3.20-3.40 (m, 2H range includes water peak) 2.99 (s, 3H) 1.33 (d, J=6.7 Hz, 6H). MS (ESI): 612.2 [M+H]+.

Workup

  1. temperatureThe reaction mixture was cooled to rt
  2. custompartitioned between DCM and 10% aqueous HCl
  3. customThe organic layer was separated
  4. dry with materialdried over MgSO4
  5. filtrationfiltered
  6. concentrationconcentrated over silica gel
  7. customThe crude product was chromatographed on silica gel eluting with 100% DCM to 6:4 [DCM:(9:1 EtOAc:MeOH)]
  8. concentrationconcentrated

Sources & evidence

ORD record
ord-6b273ff420e6408d89467ded3a450af2
Source dataset
uspto-grants-2016_01
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US09233956B2

Reaction notes

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On this pageParticipantsConditionsProcedureWorkupSources & evidenceReaction notes