3-AMINO-4H-THIENO[3,4-C]CHROMEN-4-ONE

Base Information

• Chemical Name: 3-AMINO-4H-THIENO[3,4-C]CHROMEN-4-ONE
• CAS No.: 41078-15-3
• Molecular Formula: C11H7NO2S
• Molecular Weight: 217.248
• Hs Code.: 2934999090
• Mol file: 41078-15-3.mol

Synonyms:3-aminothieno<3,4-c>coumarin;3-aminothieno<3,4:3',4'>benzopyran-4-one;

Chemical Property of 3-AMINO-4H-THIENO[3,4-C]CHROMEN-4-ONE

Chemical Property:

• Vapor Pressure: 2.93E-08mmHg at 25°C
• Boiling Point: 449.2oC at 760 mmHg
• Flash Point: 225.4oC
• PSA: 84.47000
• Density: 1.494g/cm3
• LogP: 3.17110

Purity/Quality:

98%min ^*data from raw suppliers

3-amino-4H-thieno[3,4-c]chromen-4-one ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of 3-AMINO-4H-THIENO[3,4-C]CHROMEN-4-ONE

There total 11 articles about 3-AMINO-4H-THIENO[3,4-C]CHROMEN-4-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: 93.0%

4-methyl-2-oxo-2H-chromene-3-carbonitrile (24526-69-0) → 3-aminothieno<3,4:3',4'>benzopyran-4-one (41078-15-3)

Guidance literature:

With ammonia; sulfur; In ethanol; at 45 ℃; for 7h;

DOI:10.2174/1874104501610010021

Reference yield: 48.0%

o-hydroxyacetophenone (118-93-4,104809-67-8) + ethyl 2-cyanoacetate (105-56-6) → 3-aminothieno<3,4:3',4'>benzopyran-4-one (41078-15-3)

Guidance literature:

With sulfur; In methanol; at 50 ℃; for 4h; Microwave irradiation;

DOI:10.3390/molecules18088837

Reference yield: 27.0%

3-amino-4-imino-4H-thieno<3,4-c><1>benzopyran (41078-19-7) + dimethyl acetylenedicarboxylate (762-42-5) → tetramethyl 4-aza-7-oxabenz[m,n]anthracene-2,3,5,6-tetracarboxylate + dimethyl 2-{3-[1,2-di(methoxycarbonyl)vinyl]-amino-4-[1,2-di(methoxycarbonyl)vinyl]imino-4H-thieno[3,4-c]-2H-chromen-1-yl}butenedioate + 3-aminothieno<3,4:3',4'>benzopyran-4-one (41078-15-3) + dimethyl 4-aminobenzocoumarin-2,3-dicarboxylate

Guidance literature:

3-amino-4-imino-4H-thieno<3,4-c><1>benzopyran; dimethyl acetylenedicarboxylate; In 1,4-dioxane; for 10h; Heating;

With silica gel; In hexane; ethyl acetate;

DOI:10.1016/j.tet.2006.04.037

upstream raw materials:

4-methyl-2-oxo-2H-chromene-3-carbonitrile

3-<1-(2-furyl)-1-oxo-2-propen-3-ylamino>thieno<3,4-c>coumarin

3-<1-oxo-1-(2-thienyl)-2-propen-3-ylamino>thieno<3,4-c>coumarin

3-(1-phenyl-1-oxo-2-propen-3-ylmino)thieno<3,4-c>coumarin

Downstream raw materials:

3-(1-phenyl-1-oxo-2-propen-3-ylmino)thieno<3,4-c>coumarin

3-acetamido-4H-thieno[3,4-c]-2H-chromen-4-one

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