1-(2-Hydroxyethyl)piperazine → HCID 21492809, compound

HRID 1973126Notes

Reaction equation

HRID 1973126 reaction equation
Br[C:2]1[N:6]2[C:7]3[CH:21]=[CH:20][C:19]([Br:22])=[CH:18][C:8]=3[C:9]([C:12]3[CH:17]=[CH:16][CH:15]=[CH:14][N:13]=3)=[N:10][CH2:11][C:5]2=[N:4][N:3]=1.[OH:23][CH2:24][CH2:25][N:26]1[CH2:31][CH2:30][NH:29][CH2:28][CH2:27]1>>[Br:22][C:19]1[CH:20]=[CH:21][C:7]2[N:6]3[C:2]([N:29]4[CH2:30][CH2:31][N:26]([CH2:25][CH2:24][OH:23])[CH2:27][CH2:28]4)=[N:3][N:4]=[C:5]3[CH2:11][N:10]=[C:9]([C:12]3[CH:17]=[CH:16][CH:15]=[CH:14][N:13]=3)[C:8]=2[CH:18]=1

Participants

3

Reactant 2

HCID 76771-(2-Hydroxyethyl)piperazineHCID 12562520HCID 12562520, compound

Product 1

HCID 21492809HCID 21492809, compound

Procedure

In a manner given in Example 1, 1,8-dibromo-6-(2-pyridyl)-4H-s-triazolo[4,3-a][1,4]benzodiazepine is heated with excess 1-(β-hydroxyethyl)piperazine to give 8-bromo-1-[4-(β-hydroxyethyl)piperazino]-6-(2-pyridyl)-4H-s-triazolo[4,3-a][1,4]benzodiazepine.

Sources & evidence

ORD record
ord-89861262f3614d7a8064d0469b65ee61
Source dataset
uspto-grants-1976_12
Patent number
US03996230

Reaction notes

Loading…