3,6-dihydro-9H-pyrazolo[4,3-f]quinazolin-9-one

Base Information

Chemical Name:3,6-dihydro-9H-pyrazolo[4,3-f]quinazolin-9-one
CAS No.:78416-44-1
Molecular Formula:C₉H₆N₄O
Molecular Weight:186.173
Hs Code.:

Synonyms:

Suppliers and Price of 3,6-dihydro-9H-pyrazolo[4,3-f]quinazolin-9-one

Supply Marketing:

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

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Chemical Property of 3,6-dihydro-9H-pyrazolo[4,3-f]quinazolin-9-one

Chemical Property:

Vapor Pressure:1.08E-09mmHg at 25°C

Purity/Quality:

Safty Information:

Pictogram(s):
Hazard Codes:

MSDS Files:: SDS file from LookChem

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Technology Process of 3,6-dihydro-9H-pyrazolo[4,3-f]quinazolin-9-one

There total 5 articles about 3,6-dihydro-9H-pyrazolo[4,3-f]quinazolin-9-one 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: 78.0%

: 78416-43-0
5-Amino-1H-indazol-4-carbonsaeure-methylester

: 77287-34-4,77287-35-5,60100-09-6
formamide

: 78416-44-1
3,8-Dihydro-9H-pyrazolo<4,3-f>chinazolin-9-on

Guidance literature:: 1) 4 h, 140 deg C, 2) 2 h, 180 deg C;
DOI:10.1002/cber.19811140506

Reference yield:

: 19335-11-6
1H-indazol-5-ylamine

: 78416-44-1
3,8-Dihydro-9H-pyrazolo<4,3-f>chinazolin-9-on

Guidance literature:: Multi-step reaction with 5 steps

1: 89 percent / conc. HCl, hydroxylammoniumchloride, Na₂SO_4.10 H₂O / H₂O / 0.03 h / Heating

2: 63 percent / conc. H₂SO₄ / 0.17 h / 75 °C

3: 92 percent / 10percent NaOH, 10percent aq. H₂O₂ / 0.17 h / 100 °C

4: 64 percent / methanol; H₂O; diethyl ether / 0.5 h / Ambient temperature

5: 78 percent / 1) 4 h, 140 deg C, 2) 2 h, 180 deg C

With hydrogenchloride; sodium hydroxide; sulfuric acid; hydroxylamine hydrochloride; dihydrogen peroxide; sodium sulfate; In methanol; diethyl ether; water;
DOI:10.1002/cber.19811140506

Reference yield:

: 78416-41-8
3,6-Dihydropyrrolo<3,2-e>indazol-7,8-dion

: 78416-44-1
3,8-Dihydro-9H-pyrazolo<4,3-f>chinazolin-9-on

Guidance literature:: Multi-step reaction with 3 steps

1: 92 percent / 10percent NaOH, 10percent aq. H₂O₂ / 0.17 h / 100 °C

2: 64 percent / methanol; H₂O; diethyl ether / 0.5 h / Ambient temperature

3: 78 percent / 1) 4 h, 140 deg C, 2) 2 h, 180 deg C

With sodium hydroxide; dihydrogen peroxide; In methanol; diethyl ether; water;
DOI:10.1002/cber.19811140506