• Name

  4'-CHLORODIAZEPAM

• EINECS
• CAS No. 14439-61-3
• Article Data7
• CAS DataBase
• Density 1.35g/cm³
• Solubility
• Melting Point 160-163 °C
  
• Formula C16H12 Cl2 N2 O
• Boiling Point 517.1°Cat760mmHg
• Molecular Weight 319.19
• Flash Point 266.6°C
• Transport Information
• Appearance
• Safety Mutation data reported. When heated to decomposition it emits toxic vapors of NO_x and Cl⁻.
• Risk Codes 22
• Molecular Structure
• Hazard Symbols
• Synonyms 2H-1,4-Benzodiazepin-2-one,7-chloro-5-(p-chlorophenyl)-1,3-dihydro-1-methyl- (7CI,8CI); 4'-Chlorodiazepam;7-Chloro-1-methyl-5-(p-chlorophenyl)-3H-1,4-benzodiazepin-2(1H)-one;7-Chloro-5-(4-chlorophenyl)-1,3-dihydro-1-methyl-2H-1,4-benzodiazepin-2-one;Chlordiazepam; Ro 05-4864; Ro 5-4864
• PSA 32.67000
• LogP 3.30780

Synthetic route

99833-82-6

N-<4-chloro-2-(4-chlorobenzoyl)phenyl>-N-methylchloroacetamide

14439-61-3

4-chlorodiazepam

Conditions

Conditions	Yield
With hexamethylenetetramine In methanol; water for 22h; Heating;	94%

99833-83-7

N-<4-chloro-2-(4-chlorobenzoyl)phenyl>-N-methylphthalimidoacetate

14439-61-3

4-chlorodiazepam

Conditions

Conditions	Yield
With hydrazine In methanol; water at 60℃; for 3h;	80%

5571-60-8

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

74-88-4

methyl iodide

14439-61-3

4-chlorodiazepam

Conditions

Conditions	Yield
With sodium methylate In toluene at 20℃; for 168h;	37%

724-07-2

3-(4-chlorobenzene)-5-chloro-2,1-benzoisoxazole

14439-61-3

4-chlorodiazepam

Conditions

Conditions	Yield
Multi-step reaction with 3 steps 1: 2) Fe, aq. HCl / 1) 5h, 80 deg C; 2) ethanol, water, 3 h, reflux 2: 95 percent / CHCl3 / 8 h / Heating 3: 80 percent / N2H4 / methanol; H2O / 3 h / 60 °C View Scheme
Multi-step reaction with 3 steps 1: 2) Fe, aq. HCl / 1) 5h, 80 deg C; 2) ethanol, water, 3 h, reflux 2: 86 percent / benzene / 1) 10 deg C, 50 min. (addition); 2) 90 min. 3: 94 percent / hexamethylenetetramine / methanol; H2O / 22 h / Heating View Scheme

78961-59-8

5,4'-dichloro-2-methylaminobenzophenone

14439-61-3

4-chlorodiazepam

Conditions

Conditions	Yield
Multi-step reaction with 2 steps 1: 95 percent / CHCl3 / 8 h / Heating 2: 80 percent / N2H4 / methanol; H2O / 3 h / 60 °C View Scheme
Multi-step reaction with 2 steps 1: 86 percent / benzene / 1) 10 deg C, 50 min. (addition); 2) 90 min. 2: 94 percent / hexamethylenetetramine / methanol; H2O / 22 h / Heating View Scheme

100-00-5

4-chlorobenzonitrile

14439-61-3

4-chlorodiazepam

Conditions

Conditions	Yield
Multi-step reaction with 4 steps 1: 43 percent / KOH / methanol; benzene / 3 h / Ambient temperature 2: 2) Fe, aq. HCl / 1) 5h, 80 deg C; 2) ethanol, water, 3 h, reflux 3: 95 percent / CHCl3 / 8 h / Heating 4: 80 percent / N2H4 / methanol; H2O / 3 h / 60 °C View Scheme
Multi-step reaction with 4 steps 1: 43 percent / KOH / methanol; benzene / 3 h / Ambient temperature 2: 2) Fe, aq. HCl / 1) 5h, 80 deg C; 2) ethanol, water, 3 h, reflux 3: 86 percent / benzene / 1) 10 deg C, 50 min. (addition); 2) 90 min. 4: 94 percent / hexamethylenetetramine / methanol; H2O / 22 h / Heating View Scheme

140-53-4

p-chlorobenzyl cyanide

14439-61-3

4-chlorodiazepam

Conditions

Conditions	Yield
Multi-step reaction with 4 steps 1: 43 percent / KOH / methanol; benzene / 3 h / Ambient temperature 2: 2) Fe, aq. HCl / 1) 5h, 80 deg C; 2) ethanol, water, 3 h, reflux 3: 95 percent / CHCl3 / 8 h / Heating 4: 80 percent / N2H4 / methanol; H2O / 3 h / 60 °C View Scheme
Multi-step reaction with 4 steps 1: 43 percent / KOH / methanol; benzene / 3 h / Ambient temperature 2: 2) Fe, aq. HCl / 1) 5h, 80 deg C; 2) ethanol, water, 3 h, reflux 3: 86 percent / benzene / 1) 10 deg C, 50 min. (addition); 2) 90 min. 4: 94 percent / hexamethylenetetramine / methanol; H2O / 22 h / Heating View Scheme

4-Chlorodiazepam Chemical Properties

4-Chlorodiazepam Toxicity Data With Reference

4-Chlorodiazepam Safety Profile