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28910-91-0

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Basic Information
CAS No.: 28910-91-0
Name: flualprazolam
Article Data: 10
Molecular Structure:
Molecular Structure of 28910-91-0 (flualprazolam)
Formula: N/A
Molecular Weight: 326.76
Synonyms: flualprazolam
Density: 1.43±0.1 g/cm3(Predicted)
Boiling Point: 509.8±60.0 °C(Predicted)
Synthetic route
1068-57-1

acetic acid hydrazide

59467-62-8

7-chloro-5-(2-fluorophenyl)-2-(N-nitrosomethylamino)-3H-1,4-benzodiazepine

28910-91-0

flualprazolam

Conditions
ConditionsYield
With toluene-4-sulfonic acid In N,N-dimethyl-formamide at 120℃; for 1h;84%
With toluene-4-sulfonic acid In N,N-dimethyl-formamide at 120℃; for 4h;280 mg
1068-57-1

acetic acid hydrazide

2886-65-9

7-chloro-5-(2-fluorophenyl)-1,3-dihydro-1,4-benzodiazepin-2(2H)-one

28910-91-0

flualprazolam

Conditions
ConditionsYield
In butan-1-ol at 125℃; for 8h; Temperature; Solvent;81.2%
1645-32-5

7-chloro-1,3-dihydro-5-(2-fluorophenyl)-2H-1,4-benzodiazepine-2-thione

28910-91-0

flualprazolam

Conditions
ConditionsYield
In dichloromethane; water; butan-1-ol
2886-65-9

7-chloro-5-(2-fluorophenyl)-1,3-dihydro-1,4-benzodiazepin-2(2H)-one

28910-91-0

flualprazolam

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: titanium tetrachloride / tetrahydrofuran / 5.33 h / -5 - 45 °C / Inert atmosphere
2: acetic acid; sodium nitrite / water / 3.25 h / 3 - 25 °C
3: toluene-4-sulfonic acid / N,N-dimethyl-formamide / 4 h / 120 °C
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