CAS No.28910-91-0,flualprazolam Suppliers

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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

Conditions	Yield
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

Conditions	Yield
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

Conditions	Yield
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

Conditions	Yield
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 View Scheme

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