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Triethylamine → ((4R)-2-{5-(2-methoxyethoxy)-7-[methyl(pyridin-2-ylsulfonyl)amino]-1H-indol-2-yl}-4,5-dihydro-1,3-thiazol-4-yl)methyl methanesulfonate

HRID 1960450
Notes
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Reaction equation

HRID 1960450 reaction equation
[OH:1][CH2:2][C@@H:3]1[CH2:7][S:6][C:5]([C:8]2[NH:9][C:10]3[C:15]([CH:16]=2)=[CH:14][C:13]([O:17][CH2:18][CH2:19][O:20][CH3:21])=[CH:12][C:11]=3[N:22]([CH3:32])[S:23]([C:26]2[CH:31]=[CH:30][CH:29]=[CH:28][N:27]=2)(=[O:25])=[O:24])=[N:4]1.[CH3:33][S:34](Cl)(=[O:36])=[O:35].C(N(CC)CC)C>O1CCCC1>[CH3:33][S:34]([O:1][CH2:2][C@@H:3]1[CH2:7][S:6][C:5]([C:8]2[NH:9][C:10]3[C:15]([CH:16]=2)=[CH:14][C:13]([O:17][CH2:18][CH2:19][O:20][CH3:21])=[CH:12][C:11]=3[N:22]([CH3:32])[S:23]([C:26]2[CH:31]=[CH:30][CH:29]=[CH:28][N:27]=2)(=[O:24])=[O:25])=[N:4]1)(=[O:36])=[O:35]
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

5

Reactant 3

HCID 8471TriethylamineHCID 31297Methanesulfonyl chlorideHCID 59136155N-[2-[(4R)-4-(hydroxymethyl)-4,5-dihydro-1,3-thiazol-2-yl]-5-(2-methoxyethoxy)-1H-indol-7-yl]-N-methylpyridine-2-sulfonamide

Product 1

HCID 59135898((4R)-2-{5-(2-methoxyethoxy)-7-[methyl(pyridin-2-ylsulfonyl)amino]-1H-indol-2-yl}-4,5-dihydro-1,3-thiazol-4-yl)methyl methanesulfonateYield 77%

Reagents, catalysts & solvents 1

HCID 8028TetrahydrofuranSolvent

Procedure

A solution of N-[2-[(4R)-4-(hydroxymethyl)-4,5-dihydro-1,3-thiazol-2-yl]-5-(2-methoxyethoxy)-1H-indol-7-yl]-N-methylpyridine-2-sulfonamide (0.28 g), methanesulfonyl chloride (0.10 g) and triethylamine (0.16 mL) in tetrahydrofuran (5.0 mL) was stirred at room temperature for 2 hr, and extracted with ethyl acetate. The organic layer was washed with water and saturated brine, dried (MgSO4), and concentrated. The obtained residue was subjected to silica gel column chromatography, and eluted with hexane-ethyl acetate (4:1-1:4, volume ratio) to give the title compound (0.25 g, yield 77%) as a colorless oil.

Workup

  1. extractionextracted with ethyl acetate
  2. washThe organic layer was washed with water and saturated brine
  3. dry with materialdried (MgSO4)
  4. concentrationconcentrated
  5. washeluted with hexane-ethyl acetate (4:1-1:4, volume ratio)

Sources & evidence

ORD record
ord-d6c9237a0a9c4f5c812b26ad5fd42406
Source dataset
uspto-grants-2013_04
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08410087B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes