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Dimethylformamide → N-methyl-N-(2-{5-[(4-oxohexahydropyrazino[2,1-c][1,4]oxazin-8(1H)-yl)methyl]-1,3-thiazol-2-yl}-1H-indol-7-yl)thiophene-2-sulfonamide

HRID 1994756
Notes
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Reaction equation

HRID 1994756 reaction equation
Cl[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.C(N(CC)CC)C.Cl.[CH2:35]1[CH:40]2[CH2:41][NH:42][CH2:43][CH2:44][N:39]2[C:38](=[O:45])[CH2:37][O:36]1.CN(C)C=O>O>[CH3:26][N:17]([C:11]1[CH:12]=[CH:13][CH:14]=[C:15]2[C:10]=1[NH:9][C:8]([C:6]1[S:7][C:3]([CH2:2][N:42]3[CH2:43][CH2:44][N:39]4[CH:40]([CH2:35][O:36][CH2:37][C:38]4=[O:45])[CH2:41]3)=[CH:4][N:5]=1)=[CH:16]2)[S:18]([C:21]1[S:22][CH:23]=[CH:24][CH:25]=1)(=[O:20])=[O:19]
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

6

Reactant 4

HCID 6228DimethylformamideHCID 8471TriethylamineHCID 16123286hexahydropyrazino[2,1-c][1,4]oxazin-4(3H)-one hydrochlorideHCID 57475969N-{2-[5-(chloromethyl)-1,3-thiazol-2-yl]-1H-indol-7-yl}-N-methylthiophene-2-sulfonamide

Product 1

HCID 59135755N-methyl-N-(2-{5-[(4-oxohexahydropyrazino[2,1-c][1,4]oxazin-8(1H)-yl)methyl]-1,3-thiazol-2-yl}-1H-indol-7-yl)thiophene-2-sulfonamide
Yield 45%

Reagents, catalysts & solvents 1

HCID 962WaterSolvent

Procedure

A mixture of N-{2-[5-(chloromethyl)-1,3-thiazol-2-yl]-1H-indol-7-yl}-N-methylthiophene-2-sulfonamide (150 mg), triethylamine (150 μL), hexahydropyrazino[2,1-c][1,4]oxazin-4(3H)-one hydrochloride (135 mg) and N,N-dimethylformamide (2 ml) was stirred at room temperature for 3 hr. Water was added to the reaction mixture, and the mixture was extracted with ethyl acetate. The ethyl acetate layer was washed with saturated brine, dried (MgSO4), and concentrated. The obtained residue was subjected to silica gel column chromatography to give the title compound (85 mg, yield 45%) as a colorless amorphous form from a fraction eluted with ethyl acetate. MS 544 (M+1).

Workup

  1. extractionthe mixture was extracted with ethyl acetate
  2. washThe ethyl acetate layer was washed with saturated brine
  3. dry with materialdried (MgSO4)
  4. concentrationconcentrated

Sources & evidence

ORD record
ord-581f4c68bc6849dd8fa1195c530ff1c4
Source dataset
uspto-grants-2010_01
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US07652133B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes