4H-1-Benzopyran-4-one,2-(3,4-diaminophenyl)-(9CI)

Base Information

Chemical Name:4H-1-Benzopyran-4-one,2-(3,4-diaminophenyl)-(9CI)
CAS No.:170804-63-4
Molecular Formula:C15H12N2O2
Molecular Weight:252.272
Hs Code.:
Mol file:170804-63-4.mol

Synonyms:4H-1-Benzopyran-4-one,2-(3,4-diaminophenyl)-(9CI)

Suppliers and Price of 4H-1-Benzopyran-4-one,2-(3,4-diaminophenyl)-(9CI)

Supply Marketing:

Business phase:: The product has achieved commercial mass production^*data from LookChem market partment

Manufacturers and distributors:

Manufacture/Brand
Chemicals and raw materials
Packaging
price

Total 1 raw suppliers

Chemical Property of 4H-1-Benzopyran-4-one,2-(3,4-diaminophenyl)-(9CI)

Chemical Property:

Boiling Point:488.4±45.0 °C(Predicted)
PKA:2.88±0.10(Predicted)
PSA：82.25000
Density:1.372±0.06 g/cm3(Predicted)
LogP:3.78680

Purity/Quality:

Safty Information:

Pictogram(s):
Hazard Codes:

MSDS Files:: SDS file from LookChem

Useful:

Technology Process of 4H-1-Benzopyran-4-one,2-(3,4-diaminophenyl)-(9CI)

There total 12 articles about 4H-1-Benzopyran-4-one,2-(3,4-diaminophenyl)-(9CI) which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield: 56.0%

: 170804-61-2
4'-amino-3'-nitroflavone

: 170804-63-4
2-(3,4-diaminophenyl)-4H-1-benzopyran-4-one

Guidance literature:: With hydrogen; palladium on activated charcoal; In methanol; N,N-dimethyl-formamide; at 40 - 60 ℃; for 6h; under 760 Torr;
DOI:10.1016/0223-5234(96)88270-5

Reference yield:

: 150-13-0,159246-81-8,8014-65-1
4-amino-benzoic acid

: 170804-63-4
2-(3,4-diaminophenyl)-4H-1-benzopyran-4-one

Guidance literature:: Multi-step reaction with 7 steps

1: 85 percent / dimethylformamide / 3 h / Heating

2: 62 percent / HNO₃(red, fuming) / 0.5 h / -15 °C

3: SOCl₂ / tetrahydrofuran / Heating

4: tetrahydrofuran / 1 h / Heating

5: 65 percent / KOH, pyridine / 1 h / 60 °C

6: 85 percent / H₂SO₄ / 0.33 h / 100 °C

7: 56 percent / H₂ / 10percent Pd/C / dimethylformamide; methanol / 6 h / 40 - 60 °C / 760 Torr

With pyridine; potassium hydroxide; thionyl chloride; sulfuric acid; hydrogen; nitric acid; palladium on activated charcoal; In tetrahydrofuran; methanol; N,N-dimethyl-formamide;
DOI:10.1016/0223-5234(96)88270-5

Reference yield:

: 100390-76-9
p-pentanamidobenzoic acid

: 170804-63-4
2-(3,4-diaminophenyl)-4H-1-benzopyran-4-one

Guidance literature:: Multi-step reaction with 6 steps

1: 62 percent / HNO₃(red, fuming) / 0.5 h / -15 °C

2: SOCl₂ / tetrahydrofuran / Heating

3: tetrahydrofuran / 1 h / Heating

4: 65 percent / KOH, pyridine / 1 h / 60 °C

5: 85 percent / H₂SO₄ / 0.33 h / 100 °C

6: 56 percent / H₂ / 10percent Pd/C / dimethylformamide; methanol / 6 h / 40 - 60 °C / 760 Torr

With pyridine; potassium hydroxide; thionyl chloride; sulfuric acid; hydrogen; nitric acid; palladium on activated charcoal; In tetrahydrofuran; methanol; N,N-dimethyl-formamide;
DOI:10.1016/0223-5234(96)88270-5