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Tetrahydrofuran → N-{2-[5-(chloromethyl)-1,3-thiazol-2-yl]-1H-indol-7-yl}-N-methylthiophene-2-sulfonamide

HRID 504626
Notes
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Reaction equation

HRID 504626 reaction equation
O[CH2:2][C:3]1[S:7][C:6]([C:8]2[NH:9][C:10]3[C:15]([CH:16]=2)=[CH:14][CH:13]=[CH:12][C:11]=3[N:17]([CH3:26])[S:18]([C:21]2[S:22][CH:23]=[CH:24][CH:25]=2)(=[O:20])=[O:19])=[N:5][CH:4]=1.S(Cl)([Cl:29])=O.O1CCCC1>CN(C)C=O.O>[Cl:29][CH2:2][C:3]1[S:7][C:6]([C:8]2[NH:9][C:10]3[C:15]([CH:16]=2)=[CH:14][CH:13]=[CH:12][C:11]=3[N:17]([CH3:26])[S:18]([C:21]2[S:22][CH:23]=[CH:24][CH:25]=2)(=[O:20])=[O:19])=[N:5][CH:4]=1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

6

Reactant 3

HCID 8028TetrahydrofuranHCID 24386Thionyl ChlorideHCID 57475965N-{2-[5-(hydroxymethyl)-1,3-thiazol-2-yl]-1H-indol-7-yl}-N-methylthiophene-2-sulfonamide

Product 1

HCID 57475969N-{2-[5-(chloromethyl)-1,3-thiazol-2-yl]-1H-indol-7-yl}-N-methylthiophene-2-sulfonamideYield 76%

Reagents, catalysts & solvents 2

HCID 6228
Dimethylformamide
Catalyst
HCID 962WaterSolvent

Procedure

A mixture of N-{2-[5-(hydroxymethyl)-1,3-thiazol-2-yl]-1H-indol-7-yl}-N-methylthiophene-2-sulfonamide (0.10 g), thionyl chloride (0.03 ml), N,N-dimethylformamide (one drop) and tetrahydrofuran (6 ml) was stirred overnight at room temperature. Water was added to the reaction mixture, and the mixture was extracted with ethyl acetate. The ethyl acetate layer was washed successively with saturated brine, aqueous sodium bicarbonate and saturated brine, dried (MgSO4), and concentrated to give the title compound (0.08 g, yield 76%) as yellow crystals. melting point 204-205° C.

Workup

  1. extractionthe mixture was extracted with ethyl acetate
  2. washThe ethyl acetate layer was washed successively with saturated brine, aqueous sodium bicarbonate and saturated brine
  3. dry with materialdried (MgSO4)
  4. concentrationconcentrated

Sources & evidence

ORD record
ord-5d97e2e482fb4e8ca61154f55797b96d
Source dataset
uspto-grants-2010_08
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US07777047B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes