2H-1-Benzopyran-2-one,7-methoxy-6-(3-methyl-1-oxo-2-buten-1-yl)-

Base Information

Chemical Name:2H-1-Benzopyran-2-one,7-methoxy-6-(3-methyl-1-oxo-2-buten-1-yl)-
CAS No.:16850-91-2
Molecular Formula:C₁₅H₁₄O₄
Molecular Weight:258.274
Hs Code.:

Synonyms:2H-1-Benzopyran-2-one,7-methoxy-6-(3-methyl-1-oxo-2-butenyl)- (9CI); Coumarin, 7-methoxy-6-(3-methylcrotonoyl)-(8CI); Dehydrogeijerin; Geijerin, dehydro-; Pablohopin

Suppliers and Price of 2H-1-Benzopyran-2-one,7-methoxy-6-(3-methyl-1-oxo-2-buten-1-yl)-

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
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price

Total 3 raw suppliers

Chemical Property of 2H-1-Benzopyran-2-one,7-methoxy-6-(3-methyl-1-oxo-2-buten-1-yl)-

Chemical Property:

Purity/Quality:: Analysis control,98.0% ^*data from raw suppliers

Safty Information:

Pictogram(s):
Hazard Codes:

MSDS Files:: SDS file from LookChem

Useful:

Technology Process of 2H-1-Benzopyran-2-one,7-methoxy-6-(3-methyl-1-oxo-2-buten-1-yl)-

There total 10 articles about 2H-1-Benzopyran-2-one,7-methoxy-6-(3-methyl-1-oxo-2-buten-1-yl)- 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: 82.0%

: 114032-19-8
6-(3-hydroxy-3-methylbut-1-yn-1-yl)-7-methoxy-2H-chromen-2-one

: 16850-91-2
dehydrogeijerin

Guidance literature:: With tris-(triphenylsiloxy)-vanadium oxide; In xylene; at 120 ℃; for 3.5h;

Reference yield: 10.0%

: 117285-88-8
3,4-dihydro-7-methoxy-6-senecioylcoumarin

: 16850-91-2
dehydrogeijerin

Guidance literature:: With 1-dodecene; palladium on activated charcoal; In diphenylether; Heating;
DOI:10.1016/S0040-4039(00)80285-3

Reference yield:

: 531-59-9
7-methoxycoumarin

: 16850-91-2
dehydrogeijerin

Guidance literature:: Multi-step reaction with 6 steps

1: 92 percent / methanol / 5 h / Heating

2: 100 percent / H₂ / 5percent Pd/C / ethyl acetate / 1 h / 760 Torr / Ambient temperature

3: 95 percent / benzene / 7 h / Heating

4: 73 percent / AlCl₃ / nitromethane / 1.) -10 deg C, 2.) room temperature, 0.5 h

5: 84 percent / diphenyl ether / 3 h / Heating

6: 10 percent / 1-dodecene / 5percent Pd/C / diphenyl ether / 3 h / Heating

With aluminium trichloride; 1-dodecene; hydrogen; palladium on activated charcoal; In methanol; diphenylether; nitromethane; ethyl acetate; benzene;
DOI:10.1016/S0040-4020(01)90370-9