7-[3-(5,5-dimethyl-4-oxo-4,5-dihydrofuran-2-yl)butoxy]-2H-chromen-2-one

Base Information

Chemical Name:7-[3-(5,5-dimethyl-4-oxo-4,5-dihydrofuran-2-yl)butoxy]-2H-chromen-2-one
CAS No.:16850-99-0
Molecular Formula:C₁₉H₂₀O₅
Molecular Weight:328.365
Hs Code.:
Mol file:16850-99-0.mol

Synonyms:Coumarin,7-[3-(4,5-dihydro-5,5-dimethyl-4-oxo-2-furyl)butoxy]- (8CI); Dihydrogeiparvarin;NSC 151655

Suppliers and Price of 7-[3-(5,5-dimethyl-4-oxo-4,5-dihydrofuran-2-yl)butoxy]-2H-chromen-2-one

Supply Marketing:

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

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Total 2 raw suppliers

Chemical Property of 7-[3-(5,5-dimethyl-4-oxo-4,5-dihydrofuran-2-yl)butoxy]-2H-chromen-2-one

Chemical Property:

Vapor Pressure:8.38E-11mmHg at 25°C
Boiling Point:517.2°Cat760mmHg
Flash Point:289.8°C
Density:1.213g/cm³

Purity/Quality:

Safty Information:

Pictogram(s):
Hazard Codes:

MSDS Files:: SDS file from LookChem

Useful:

Technology Process of 7-[3-(5,5-dimethyl-4-oxo-4,5-dihydrofuran-2-yl)butoxy]-2H-chromen-2-one

There total 6 articles about 7-[3-(5,5-dimethyl-4-oxo-4,5-dihydrofuran-2-yl)butoxy]-2H-chromen-2-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%

: 117431-89-7
7-<<(E)-6-amino-7-hydroxy-3,7-dimethyl-4-oxo-5-octenyl>oxy>-2H-1-benzopyran-2-one

: 16850-99-0,36413-97-5
7-<<3-(4,5-dihydro-5,5-dimethyl-4-oxo-2-furanyl)-2-butyl>oxy>-2H-1-benzopyran-2-one

Guidance literature:: With acetic acid; In tetrahydrofuran; for 24h; Ambient temperature;
DOI:10.1016/S0040-4020(01)85907-X

Reference yield:

: 93-35-6
7-hydroxy-2H-chromen-2-one

: 16850-99-0,36413-97-5
7-<<3-(4,5-dihydro-5,5-dimethyl-4-oxo-2-furanyl)-2-butyl>oxy>-2H-1-benzopyran-2-one

Guidance literature:: Multi-step reaction with 3 steps

1: 75 percent / diethylazodicarboxylate, triphenylphosphine / tetrahydrofuran / 24 h / Ambient temperature

2: 88 percent / molibdenumhexacarbonyl / acetonitrile; H₂O / 1.5 h / Heating

3: 90 percent / 75 percent acetic acid / tetrahydrofuran / 24 h / Ambient temperature

With acetic acid; triphenylphosphine; diethylazodicarboxylate; molybdenum hexacarbonyl; In tetrahydrofuran; water; acetonitrile;
DOI:10.1016/S0040-4020(01)85907-X

Reference yield:

: 121693-79-6,117431-83-1
(E)-tert-butyldimethyl-((3-methylpent-2-en-4-yn-1-yl)oxy)silane

: 16850-99-0,36413-97-5
7-<<3-(4,5-dihydro-5,5-dimethyl-4-oxo-2-furanyl)-2-butyl>oxy>-2H-1-benzopyran-2-one

Guidance literature:: Multi-step reaction with 5 steps

1: 1.) triethylamine, phenylisocyanate; 2.) citric acid / 1.) benzene, r.t.; 2.) methanol, 12 h

2: 2.90 g / 5 percent HCl / methanol / 1 h / Ambient temperature

3: 75 percent / diethylazodicarboxylate, triphenylphosphine / tetrahydrofuran / 24 h / Ambient temperature

4: 88 percent / molibdenumhexacarbonyl / acetonitrile; H₂O / 1.5 h / Heating

5: 90 percent / 75 percent acetic acid / tetrahydrofuran / 24 h / Ambient temperature

With hydrogenchloride; phenyl isocyanate; acetic acid; triethylamine; triphenylphosphine; citric acid; diethylazodicarboxylate; molybdenum hexacarbonyl; In tetrahydrofuran; methanol; water; acetonitrile;
DOI:10.1016/S0040-4020(01)85907-X