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Tetrahydrofuran → N-{2-[5-(aminomethyl)-5-methyl-4,5-dihydro-1,3-thiazol-2-yl]-1H-indol-7-yl}-N-methylthiophene-2-sulfonamide

HRID 504840
Notes
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Reaction equation

HRID 504840 reaction equation
[H-].[Al+3].[Li+].[H-].[H-].[H-].O1CCCC1.[C:12]([C:14]1([CH3:38])[S:18][C:17]([C:19]2[NH:20][C:21]3[C:26]([CH:27]=2)=[CH:25][CH:24]=[CH:23][C:22]=3[N:28]([CH3:37])[S:29]([C:32]2[S:33][CH:34]=[CH:35][CH:36]=2)(=[O:31])=[O:30])=[N:16][CH2:15]1)#[N:13].[OH-].[Na+]>C(O)C>[NH2:13][CH2:12][C:14]1([CH3:38])[S:18][C:17]([C:19]2[NH:20][C:21]3[C:26]([CH:27]=2)=[CH:25][CH:24]=[CH:23][C:22]=3[N:28]([CH3:37])[S:29]([C:32]2[S:33][CH:34]=[CH:35][CH:36]=2)(=[O:31])=[O:30])=[N:16][CH2:15]1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

6

Reactant 4

HCID 8028TetrahydrofuranHCID 14798Sodium HydroxideHCID 21226445Aluminium lithium hydrideHCID 59135902N-[2-(5-cyano-5-methyl-4,5-dihydro-1,3-thiazol-2-yl)-1H-indol-7-yl]-N-methylthiophene-2-sulfonamide

Product 1

HCID 59135762N-{2-[5-(aminomethyl)-5-methyl-4,5-dihydro-1,3-thiazol-2-yl]-1H-indol-7-yl}-N-methylthiophene-2-sulfonamide
Yield 57%

Reagents, catalysts & solvents 1

HCID 702EthanolSolvent

Procedure

To a mixture of lithium aluminum hydride (0.05 g) and tetrahydrofuran (6 mL) was added N-[2-(5-cyano-5-methyl-4,5-dihydro-1,3-thiazol-2-yl)-1H-indol-7-yl]-N-methylthiophene-2-sulfonamide (0.40 g) at 0° C., and the mixture was stirred for 15 min. Ethanol (2 mL) and 1N aqueous sodium hydroxide solution (0.2 mL) were successively added, and the resulting inorganic salt was removed by filtration. The filtrate was concentrated, and the residue was subjected to basic silica gel column chromatography to give the title compound (0.23 g, yield 57%) as colorless crystals from a fraction eluted with ethyl acetate. melting point 164-165° C.

Workup

  1. customthe resulting inorganic salt was removed by filtration
  2. concentrationThe filtrate was concentrated

Sources & evidence

ORD record
ord-d6326dee4b394a039fdb0676201ad9d7
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