2H-1-Benzopyran-3-carboxaldehyde, 4-amino-2-oxo-

Base Information

• Chemical Name: 2H-1-Benzopyran-3-carboxaldehyde, 4-amino-2-oxo-
• CAS No.: 136806-18-3
• Molecular Formula: C10H7NO3
• Molecular Weight: 189.17
• DSSTox Substance ID: DTXSID90356245
• Nikkaji Number: J2.612.060H
• Wikidata: Q82135498
• Mol file: 136806-18-3.mol

Synonyms:136806-18-3;4-amino-3-formylcoumarin;2H-1-Benzopyran-3-carboxaldehyde, 4-amino-2-oxo-;DTXSID90356245;AKOS004909241

Chemical Property of 2H-1-Benzopyran-3-carboxaldehyde, 4-amino-2-oxo-

Chemical Property:

• XLogP3: 1.2
• Hydrogen Bond Donor Count: 1
• Hydrogen Bond Acceptor Count: 4
• Rotatable Bond Count: 1
• Exact Mass: 189.042593085
• Heavy Atom Count: 14
• Complexity: 309

Purity/Quality:

99.90% ^*data from raw suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: C1=CC=C2C(=C1)C(=C(C(=O)O2)C=O)N

Technology Process of 2H-1-Benzopyran-3-carboxaldehyde, 4-amino-2-oxo-

There total 5 articles about 2H-1-Benzopyran-3-carboxaldehyde, 4-amino-2-oxo- 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: 94.0%

4-{[2-(bromophenyl)-1-morpholin-4-ylethylidene]amino}-2-oxo-2H-[1]benzopyran-3-carbaldehyde → 4-amino-2-oxo-2H-chromene-3-carbaldehyde (136806-18-3) + 3-(4-bromophenyl)-2-morpholin-4-yl-5H-[1]benzopyrano[4,3-b]pyridin-5-one

Guidance literature:

With sodium methylate; In methanol; for 0.5h; Heating;

DOI:10.1016/j.tetlet.2004.03.009

Reference yield: 85.0%

4-{[2-(4-methoxyphenyl)-1-morpholin-4-ylethylidene]amino}-2-oxo-2H-[1]benzopyran-3-carbaldehyde → 4-amino-2-oxo-2H-chromene-3-carbaldehyde (136806-18-3) + 3-(4-methoxyphenyl)-2-morpholin-4-yl-5H-[1]benzopyrano[4,3-b]pyridin-5-one

Guidance literature:

With sodium methylate; In methanol; for 0.5h; Heating;

DOI:10.1016/j.tetlet.2004.03.009

Reference yield: 58.0%

N,N-diethyl-N'-(3-formyl-2-oxo-2H-[1]benzobyran-4-yl)-2-phenylacetamidine → 4-amino-2-oxo-2H-chromene-3-carbaldehyde (136806-18-3) + 2-(diethylamino)-3-phenyl-5H-[1]benzopyrano[4,3-b]pyridin-5-one

Guidance literature:

With sodium methylate; In methanol; for 1h; Heating;

DOI:10.1016/j.tetlet.2004.03.009

Downstream raw materials:

Triphenylphosphine oxide

2H-<1>Benzopyrano<4,3-b>pyridin-2,5(1H)-dion