Propionylhydrazine → HCID 21489333, compound

HRID 1288053Notes

Reaction equation

HRID 1288053 reaction equation
[CH2:1]([S:3][C:4]1[C:9]2[C:10]([C:16]3[CH:21]=[CH:20][CH:19]=[CH:18][C:17]=3[Br:22])=[N:11][CH2:12][C:13](=S)[NH:14][C:8]=2[CH:7]=[CH:6][CH:5]=1)[CH3:2].[C:23]([NH:27][NH2:28])(=O)[CH2:24][CH3:25]>C(O)C>[CH2:1]([S:3][C:4]1[C:9]2[C:10]([C:16]3[CH:21]=[CH:20][CH:19]=[CH:18][C:17]=3[Br:22])=[N:11][CH2:12][C:13]3[N:14]([C:23]([CH2:24][CH3:25])=[N:27][N:28]=3)[C:8]=2[CH:7]=[CH:6][CH:5]=1)[CH3:2]

Participants

4

Conditions

Temperature
250 °C

Procedure

In the manner given in Example 2, 6-ethylthio-1,3-dihydro-5-(o-bromophenyl)-2H-1,4-benzodiazepine-2-thione is heated in ethanol with propionic acid hydrazide and the resulting product heated to 250° C. to give 7-ethylthio-1-ethyl-6-(o-bromophenyl)-4H-s-triazolo[4,3-a][1,4]benzodiazepine.

Sources & evidence

ORD record
ord-b50c2917963140a4af6c25b8cd2db9b8
Source dataset
uspto-grants-1976_10
Patent number
US03987052

Reaction notes

Loading…