Sodium hydride → 8-bromo-1-[(ethylhydroxyamino)methyl]-6-(2-pyridyl)-4H-s-triazolo[4,3-a][1,4]benzodiazepine

HRID 436579Notes

Reaction equation

HRID 436579 reaction equation
[CH2:1]([NH:3][OH:4])[CH3:2].[H-].[Na+].[Br:7][C:8]1[CH:9]=[CH:10][C:11]2[N:17]3[C:18]([CH2:21]Cl)=[N:19][N:20]=[C:16]3[CH2:15][N:14]=[C:13]([C:23]3[CH:28]=[CH:27][CH:26]=[CH:25][N:24]=3)[C:12]=2[CH:29]=1>CN(C)C=O>[Br:7][C:8]1[CH:9]=[CH:10][C:11]2[N:17]3[C:18]([CH2:21][N:3]([CH2:1][CH3:2])[OH:4])=[N:19][N:20]=[C:16]3[CH2:15][N:14]=[C:13]([C:23]3[CH:28]=[CH:27][CH:26]=[CH:25][N:24]=3)[C:12]=2[CH:29]=1

Participants

5

Reactant 3

HCID 24758Sodium hydrideHCID 164700Ethanamine, N-hydroxy-HCID 203612008-bromo-1-(chloromethyl)-6-(2-pyridyl)-4H-s triazolo[4,3-a][1,4]benzodiazepine

Product 1

HCID 203611988-bromo-1-[(ethylhydroxyamino)methyl]-6-(2-pyridyl)-4H-s-triazolo[4,3-a][1,4]benzodiazepine

Reagents, catalysts & solvents 1

HCID 6228DimethylformamideSolvent

Procedure

In the manner given in Example 16, a solution of N-ethylhydroxylamine in dimethylformamide is treated with sodium hydride suspended in mineral oil, and the mixture is treated with 8-bromo-1-(chloromethyl)-6-(2-pyridyl)-4H-s-triazolo[4,3-a][1,4]benzodiazepine to give 8-bromo-1-[(ethylhydroxyamino)methyl]-6-(2-pyridyl)-4H-s-triazolo[4,3-a][1,4]benzodiazepine.

Sources & evidence

ORD record
ord-f906dbf7413741a098ec280e06df2098
Source dataset
uspto-grants-1977_02
Patent number
US04009175

Reaction notes

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