4-methyl-4',5'-dihydropsoralen

Base Information

• Chemical Name: 4-methyl-4',5'-dihydropsoralen
• CAS No.: 24416-64-6
• Molecular Formula: C₁₂H₁₀O₃
• Molecular Weight: 202.21
• Hs Code.: 2932999099
• Mol file: 24416-64-6.mol

Synonyms:5-Benzofuranacrylicacid, 2,3-dihydro-6-hydroxy-b-methyl-, d-lactone(6CI,7CI); 4-Methyl-4',5'-dihydropsoralen

Chemical Property of 4-methyl-4',5'-dihydropsoralen

Chemical Property:

• Vapor Pressure: 9.24E-06mmHg at 25°C
• Boiling Point: 373°Cat760mmHg
• Flash Point: 156.4°C
• PSA: 39.44000
• Density: 1.302g/cm³
• LogP: 2.03630

Purity/Quality:

99% ^*data from raw suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of 4-methyl-4',5'-dihydropsoralen

There total 3 articles about 4-methyl-4',5'-dihydropsoralen 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:

6-acetoxy-2,3-dihydrobenzofuran (85878-59-7) + ethyl acetoacetate (141-97-9) → 4',5'-dihydro-4-methyl psoralene (24416-64-6)

Guidance literature:

anschliessend mit 75%ig. wss. Schwefelsaeure behandeln;

DOI:10.1021/ja01160a024

Reference yield:

3-(2,3-dihydro-benzofuran-6-yloxy)-trans-crotonic acid methyl ester (107625-47-8) → 4',5'-dihydro-4-methyl psoralene (24416-64-6)

Guidance literature:

With PPA;

Reference yield:

→ 4',5'-dihydro-4-methyl psoralene (24416-64-6)

Guidance literature:

6-Hydroxy-cumarin, Acetessigsaeure-ethylester, konz. H2SO4;

upstream raw materials:

6-acetoxy-2,3-dihydrobenzofuran

ethyl acetoacetate

3-(2,3-dihydro-benzofuran-6-yloxy)-trans-crotonic acid methyl ester

Downstream raw materials:

5-methyl-7H-furan[3,2-g]benzopyran-7-one

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