1,3-dimethyl-5-nitro-1,3-dihydro-2H-benzimidazol-2-one
- CAS Number:43027-50-5
- Molecular Formula:C9H9N3O3
- Molecular Weight:207.189
- Mol File:43027-50-5.mol
Synonyms:1,3-dimethyl-5-nitro-1,3-dihydro-2H-benzimidazol-2-one
Physicochemical Properties
- Melting Point:N/A
- Boiling Point:N/A
- Density:N/A
- Solubility:N/A
- Flash Point:N/A
- Vapor Density:N/A
- Refractive Index:N/A
- Sensitive:N/A
- Storage Temp.:N/A
- Appearance/Colour:N/A
1,3-dimethyl-5-nitro-1,3-dihydro-2H-benzimidazol-2-one Safety information and MSDS
·Hazard identification:
Pictogram(s) | no data available |
---|---|
Signal word | no data available |
Hazard statement(s) | no data available |
Precautionary statement(s) | |
Prevention | no data available |
Response | no data available |
Storage | no data available |
Disposal | no data available |
·Composition/information on ingredients:
Chemical name | Common names and synonyms | CAS number | EC number | Concentration |
---|---|---|---|---|
1,3-dimethyl-5-nitro-1,3-dihydro-2H-benzimidazol-2-one | 1,3-dimethyl-5-nitro-1,3-dihydro-2H-benzimidazol-2-one | 43027-50-5 | none | 100% |
·First-aid measures:
General adviceConsult a physician. Show this safety data sheet to the doctor in attendance.If inhaled If breathed in, move person into fresh air. If not breathing, give artificial respiration. Consult a physician. In case of skin contact Wash off with soap and plenty of water. Consult a physician. In case of eye contact Rinse thoroughly with plenty of water for at least 15 minutes and consult a physician. If swallowed Never give anything by mouth to an unconscious person. Rinse mouth with water. Consult a physician.
·Fire-fighting measures:
Suitable extinguishing media Use water spray, alcohol-resistant foam, dry chemical or carbon dioxide. Wear self-contained breathing apparatus for firefighting if necessary.
·Accidental release measures:
Use personal protective equipment. Avoid dust formation. Avoid breathing vapours, mist or gas. Ensure adequate ventilation. Evacuate personnel to safe areas. Avoid breathing dust. For personal protection see section 8. Prevent further leakage or spillage if safe to do so. Do not let product enter drains. Discharge into the environment must be avoided. Pick up and arrange disposal. Sweep up and shovel. Keep in suitable, closed containers for disposal.
1,3-dimethyl-5-nitro-1,3-dihydro-2H-benzimidazol-2-one Relevant articles
All total 1 Articles be found
FLUOROALKYLATING AGENT
-
Paragraph 1319-1320, (2018/01/11)
Problem to be Solved It is intended to provide an industrially preferable fluoroalkylating agent and use thereof. Solution The present invention provides a fluoroalkylating agent represented by the general formula (1) wherein R1 is a C1 to C8 fluoroalkyl group; R2 and R3 are each independently a C1 to C12 alkyl group or the like; Y1 to Y4 are each independently a hydrogen atom, a halogen atom, or the like; and X? is a monovalent anion. A compound of the general formula (3): R4—S—R1 having an introduced C1 to C8 fluoroalkyl group is easily obtained by reacting a compound of the general formula (2): R4—S—Z wherein R4 is a hydrocarbon group or the like; and Z is a leaving group, with the compound of the general formula (1).
1,3-dimethyl-5-nitro-1,3-dihydro-2H-benzimidazol-2-one Synthetic route And Reaction conditions
- 43027-50-5
1,3-dimethyl-5-nitro-1,3-dihydro-2H-benzimidazol-2-one

Conditions | Yield |
---|---|
41 %Chromat. 47 %Chromat. |
- 43027-50-5
1,3-dimethyl-5-nitro-1,3-dihydro-2H-benzimidazol-2-one
- 53439-88-6
5-amino-1,3-dimethyl-1,3-dihydro-2H-benzo[d]imidazol-2-one

Conditions | Yield |
---|---|
100% | |
100% | |
88% | |
68% | |
Withhydrazine hydrate;
at 115 - 120 ℃;
for 14h;
Inert atmosphere; | 43% |
Withpalladium on activated charcoal;
ethanol;Hydrogenation; | |
Withhydrogenchloride;
tin;
water; | |
Withhydrogen;palladium on activated charcoal;Inethanol;for 3h;
under 1810.02 Torr;
Ambient temperature; |
- 43027-50-5
1,3-dimethyl-5-nitro-1,3-dihydro-2H-benzimidazol-2-one
- 150916-78-2
1,3-dimethyl-5-<4-(4-hydroxyphenyl)-1-piperazinyl>-2(3H)-benzimidazolone

Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: H2 / 10percent Pd/C / ethanol / 3 h / 1810.02 Torr / Ambient temperature 2: 57 percent / N,N-dimethylcyclohexylamine / butan-1-ol / 5 h / Heating 3: 83 percent / 48percent aq. hydrobromic acid / 5 h / Heating |
- 43027-50-5
1,3-dimethyl-5-nitro-1,3-dihydro-2H-benzimidazol-2-one
- 150916-76-0
1,3-dimethyl-5-<4-(4-methoxyphenyl)-1-piperazinyl>-2(3H)-benzimidazolone

Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: H2 / 10percent Pd/C / ethanol / 3 h / 1810.02 Torr / Ambient temperature 2: 57 percent / N,N-dimethylcyclohexylamine / butan-1-ol / 5 h / Heating |
- 43027-50-5
1,3-dimethyl-5-nitro-1,3-dihydro-2H-benzimidazol-2-one
- 150916-80-6
1-<1,3-dimethyl-benzimidazol-2(3H)-on-5-yl>-4-<4-<
methyleneoxy>phenyl>piperazine

Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1: H2 / 10percent Pd/C / ethanol / 3 h / 1810.02 Torr / Ambient temperature 2: 57 percent / N,N-dimethylcyclohexylamine / butan-1-ol / 5 h / Heating 3: 83 percent / 48percent aq. hydrobromic acid / 5 h / Heating 4: 1.) sodium hydride / 1.) DMF, RT, 20 min., 2.) DMF, 80-90 deg, 5 h |
- 43027-50-5
1,3-dimethyl-5-nitro-1,3-dihydro-2H-benzimidazol-2-one

Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1.1: hydrogen; palladium 10% on activated carbon / ethanol / 20 °C / 760.05 Torr 2.1: triethylamine / ethanol / 1.5 h / Reflux 2.2: 7 h / 60 °C / Reflux 3.1: potassium carbonate; potassium iodide / N,N-dimethyl-formamide / 3 h / 80 °C | |
Multi-step reaction with 3 steps 1.1: palladium 10% on activated carbon; hydrogen / ethanol / 6 h / 20 °C 2.1: triethylamine / ethanol / 1.5 h / 60 °C / Reflux 2.2: 7 h / Reflux 3.1: potassium carbonate; potassium iodide / N,N-dimethyl-formamide / 3 h / 80 °C |
- 43027-50-5
1,3-dimethyl-5-nitro-1,3-dihydro-2H-benzimidazol-2-one

Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1.1: hydrogen; palladium 10% on activated carbon / ethanol / 20 °C / 760.05 Torr 2.1: triethylamine / ethanol / 1.5 h / Reflux 2.2: 7 h / 60 °C / Reflux 3.1: potassium carbonate; potassium iodide / acetonitrile / 3 h / 80 °C |
- 43027-50-5
1,3-dimethyl-5-nitro-1,3-dihydro-2H-benzimidazol-2-one

Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1.1: hydrogen; palladium 10% on activated carbon / ethanol / 20 °C / 760.05 Torr 2.1: triethylamine / ethanol / 1.5 h / Reflux 2.2: 7 h / 60 °C / Reflux 3.1: potassium carbonate; potassium iodide / N,N-dimethyl-formamide / 1 h / 80 °C |
- 43027-50-5
1,3-dimethyl-5-nitro-1,3-dihydro-2H-benzimidazol-2-one

Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1.1: hydrogen; palladium 10% on activated carbon / ethanol / 20 °C / 760.05 Torr 2.1: triethylamine / ethanol / 1.5 h / Reflux 2.2: 7 h / 60 °C / Reflux 3.1: potassium carbonate; potassium iodide / N,N-dimethyl-formamide / 3 h / 80 °C 4.1: hydrogenchloride; acetic acid / water / 1 h / 120 °C | |
Multi-step reaction with 4 steps 1.1: palladium 10% on activated carbon; hydrogen / ethanol / 6 h / 20 °C 2.1: triethylamine / ethanol / 1.5 h / 60 °C / Reflux 2.2: 7 h / Reflux 3.1: potassium carbonate; potassium iodide / N,N-dimethyl-formamide / 3 h / 80 °C 4.1: acetic acid; water; hydrogenchloride / 1 h / 120 °C |
- 43027-50-5
1,3-dimethyl-5-nitro-1,3-dihydro-2H-benzimidazol-2-one

Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1.1: hydrogen; palladium 10% on activated carbon / ethanol / 20 °C / 760.05 Torr 2.1: triethylamine / ethanol / 1.5 h / Reflux 2.2: 7 h / 60 °C / Reflux 3.1: potassium carbonate; potassium iodide / N,N-dimethyl-formamide / 1 h / 80 °C 4.1: hydrogenchloride; acetic acid / water / 0.75 h / 120 °C |
1,3-dimethyl-5-nitro-1,3-dihydro-2H-benzimidazol-2-one Target Products
- 53439-88-6
5-amino-1,3-dimethyl-1,3-dihydro-2H-benzo[d]imidazol-2-one
- 150916-78-2
1,3-dimethyl-5-<4-(4-hydroxyphenyl)-1-piperazinyl>-2(3H)-benzimidazolone
- 150916-76-0
1,3-dimethyl-5-<4-(4-methoxyphenyl)-1-piperazinyl>-2(3H)-benzimidazolone
- 150916-80-6
1-<1,3-dimethyl-benzimidazol-2(3H)-on-5-yl>-4-<4-<
methyleneoxy>phenyl>piperazine
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