4a,5-Dihydro-8,9-dimethoxy-2H-(1)benzopyrano(4,3-c)pyridazin-3(4H)-one

Base Information

Chemical Name:4a,5-Dihydro-8,9-dimethoxy-2H-(1)benzopyrano(4,3-c)pyridazin-3(4H)-one
CAS No.:133414-53-6
Molecular Formula:C₁₃H₁₄N₂O₄
Molecular Weight:262.265
Hs Code.:
DSSTox Substance ID:DTXSID40928113

Synonyms:BRN 4265053;2H-(1)Benzopyrano(4,3-c)pyridazin-3(4H)-one, 4a,5-dihydro-8,9-dimethoxy-;4a,5-Dihydro-8,9-dimethoxy-2H-(1)benzopyrano(4,3-c)pyridazin-3(4H)-one;133414-53-6;DTXSID40928113;LS-39870;8,9-Dimethoxy-4a,5-dihydro-4H-[1]benzopyrano[4,3-c]pyridazin-3-ol

Suppliers and Price of 4a,5-Dihydro-8,9-dimethoxy-2H-(1)benzopyrano(4,3-c)pyridazin-3(4H)-one

Supply Marketing:

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

Manufacturers and distributors:

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Chemicals and raw materials
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Total 1 raw suppliers

Chemical Property of 4a,5-Dihydro-8,9-dimethoxy-2H-(1)benzopyrano(4,3-c)pyridazin-3(4H)-one

Chemical Property:

Boiling Point:°Cat760mmHg
Flash Point:°C
Density:1.45g/cm³
XLogP3:0.6
Hydrogen Bond Donor Count:1
Hydrogen Bond Acceptor Count:5
Rotatable Bond Count:2
Exact Mass:262.09535693
Heavy Atom Count:19
Complexity:398

Purity/Quality:: 85.0-99.8% ^*data from raw suppliers

Safty Information:

Pictogram(s):
Hazard Codes:

MSDS Files:: SDS file from LookChem

Useful:

Canonical SMILES:COC1=C(C=C2C(=C1)C3=NNC(=O)CC3CO2)OC

Technology Process of 4a,5-Dihydro-8,9-dimethoxy-2H-(1)benzopyrano(4,3-c)pyridazin-3(4H)-one

There total 3 articles about 4a,5-Dihydro-8,9-dimethoxy-2H-(1)benzopyrano(4,3-c)pyridazin-3(4H)-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: 90.0%

: 133414-60-5
3,4-dihydro-6,7-dimethoxy-4-oxo-2H-1-benzopyrane-3-acetic acid

: 133414-53-6
6,7-Dimethoxy-10,10a-dihydro-1H,3H-9-oxa-3,4-diaza-phenanthren-2-one

Guidance literature:: With hydrazine hydrate; In ethanol; for 3h; Heating;
DOI:10.1016/0223-5234(90)90194-8

Reference yield:

: 41827-12-7
2'-hydroxy-4',5'-dimethoxy-3-benzoyl-propionic acid

: 133414-53-6
6,7-Dimethoxy-10,10a-dihydro-1H,3H-9-oxa-3,4-diaza-phenanthren-2-one

Guidance literature:: Multi-step reaction with 2 steps

1: 0.5 N NaOH / 1 h / 70 °C

2: 90 percent / hydrazine hydrate / ethanol / 3 h / Heating

With sodium hydroxide; hydrazine hydrate; In ethanol;
DOI:10.1016/0223-5234(90)90194-8

Reference yield:

: 133414-45-6
4-(2-hydroxy-4,5-dimethoxybenzoyl)-2(3H)-4,5-dihydrofuranone

: 133414-53-6
6,7-Dimethoxy-10,10a-dihydro-1H,3H-9-oxa-3,4-diaza-phenanthren-2-one

Guidance literature:: Multi-step reaction with 2 steps

1: 40 percent / 0.5 N NaOH / 1 h / 50 °C

2: 90 percent / hydrazine hydrate / ethanol / 3 h / Heating

With sodium hydroxide; hydrazine hydrate; In ethanol;
DOI:10.1016/0223-5234(90)90194-8