chalepin

Base Information

Chemical Name:chalepin
CAS No.:13164-04-0
Molecular Formula:C₁₉H₂₂O₄
Molecular Weight:314.381
Hs Code.:

Synonyms:7H-Furo[3,2-g][1]benzopyran-7-one,6-(1,1-dimethyl-2-propenyl)-2,3-dihydro-2-(1-hydroxy-1-methylethyl)- (9CI);7H-Furo[3,2-g][1]benzopyran-7-one,6-(1,1-dimethylallyl)-2,3-dihydro-2-(1-hydroxy-1-methylethyl)- (8CI); Chalepin

Suppliers and Price of chalepin

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
Packaging
price

Total 25 raw suppliers

Chemical Property of chalepin

Chemical Property:

Vapor Pressure:1.86E-09mmHg at 25°C
Boiling Point:465.3°C at 760 mmHg
Flash Point:164.8°C
PSA：59.67000
Density:1.207g/cm³
LogP:3.33100

Purity/Quality:: 99% ^*data from raw suppliers

Safty Information:

Pictogram(s):
Hazard Codes:

MSDS Files:: SDS file from LookChem

Useful:

Technology Process of chalepin

There total 15 articles about chalepin 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: 91.0%

: 21316-80-3
7-hydroxy-6-(3-methylbut-2-enyl)-3-(2-methylbut-3-en-2-yl)-2H-chromen-2-one

: 13164-04-0,14755-47-6,33054-89-6
2,3-dihydro-2-(2-hydroxypropan-2-yl)-6-(2-methylbut-3-en-2-yl)furo[3,2-g]chromen-7-one

Guidance literature:: 7-hydroxy-6-(3-methylbut-2-enyl)-3-(2-methylbut-3-en-2-yl)-2H-chromen-2-one; With 3-chloro-benzenecarboperoxoic acid; In dichloromethane; at 0 - 20 ℃;

With dmap; In dichloromethane; at 20 ℃; for 16h; chemoselective reaction;
DOI:10.3987/COM-10-11962

Reference yield:

: 1111-97-3
3-chloro-3-methylbut-1-yne

: 13164-04-0,14755-47-6,33054-89-6
2,3-dihydro-2-(2-hydroxypropan-2-yl)-6-(2-methylbut-3-en-2-yl)furo[3,2-g]chromen-7-one

Guidance literature:: Multi-step reaction with 6 steps

1: 78 percent / K₂CO₃, KI / acetone; H₂O / Heating

2: 100 percent / H₂ / Pd/BaSO₄ / toluene / 760 Torr

3: 53 percent / AcONa / 1 h / 150 °C

4: 61 percent / K₂CO₃ / acetone / 24 h / Heating

5: 10 percent / N,N-dimethyl-acetamide / 6 h / 200 °C

6: 73 percent / m-chloroperbenzoic acid (MCPBA) / diethyl ether / 6 h

With hydrogen; sodium acetate; potassium carbonate; 3-chloro-benzenecarboperoxoic acid; potassium iodide; Pd-BaSO₄; In diethyl ether; N,N-dimethyl acetamide; water; acetone; toluene;

Reference yield:

: 65763-00-0
7-hydroxy-8-iodocoumarin

: 13164-04-0,14755-47-6,33054-89-6
2,3-dihydro-2-(2-hydroxypropan-2-yl)-6-(2-methylbut-3-en-2-yl)furo[3,2-g]chromen-7-one

Guidance literature:: Multi-step reaction with 6 steps

1: 78 percent / K₂CO₃, KI / acetone; H₂O / Heating

2: 100 percent / H₂ / Pd/BaSO₄ / toluene / 760 Torr

3: 53 percent / AcONa / 1 h / 150 °C

4: 61 percent / K₂CO₃ / acetone / 24 h / Heating

5: 10 percent / N,N-dimethyl-acetamide / 6 h / 200 °C

6: 73 percent / m-chloroperbenzoic acid (MCPBA) / diethyl ether / 6 h

With hydrogen; sodium acetate; potassium carbonate; 3-chloro-benzenecarboperoxoic acid; potassium iodide; Pd-BaSO₄; In diethyl ether; N,N-dimethyl acetamide; water; acetone; toluene;