4',5'-dihydropsoralen

Base Information

• Chemical Name: 4',5'-dihydropsoralen
• CAS No.: 7535-48-0
• Molecular Formula: C11H8O3
• Molecular Weight: 188.183
• Mol file: 7535-48-0.mol

Synonyms:4',5'-dihydropsolaren;4',5'-Dihydro-psoralen;

Chemical Property of 4',5'-dihydropsoralen

Chemical Property:

• Vapor Pressure: 1.04E-05mmHg at 25°C
• Boiling Point: 371.3°Cat760mmHg
• Flash Point: 155.6°C
• PSA: 39.44000
• Density: 1.371g/cm³
• LogP: 1.72790

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of 4',5'-dihydropsoralen

There total 2 articles about 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-hydroxybenzofuran-3-one (6272-26-0) → 4',5'-dihydropsolaren (7535-48-0)

Guidance literature:

Multi-step reaction with 3 steps

1: hydrazine; aqueous ethanol; potassium hydroxide / 190 °C / Reagens 4: Aethylenglykol

2: diethyl ether; hydrogen chloride / Erwaermen des Reaktionsprodukts mit Wasser

3: sodium acetate; iodine

With hydrogenchloride; potassium hydroxide; diethyl ether; ethanol; iodine; sodium acetate; hydrazine;

Reference yield:

4-benzoxy-salicylaldehyde (52085-14-0) → 4',5'-dihydropsolaren (7535-48-0)

Guidance literature:

Multi-step reaction with 7 steps

1: K₂CO₃; acetone

2: sodium ethylate; ethanol

3: sodium acetate / Erhitzen des Reaktionsprodukts unter vermindertem Druck

4: palladium/charcoal; acetic acid / Hydrogenation

5: diethyl ether; zinc chloride; hydrogen chloride / Erwaermen des Reaktionsprodukts mit Wasser

6: aq. NaOH solution / Erhitzen des Reaktionsprodukts mit wss. Salzsaeure

7: copper-powder; quinoline

With quinoline; hydrogenchloride; sodium hydroxide; palladium on activated charcoal; diethyl ether; ethanol; sodium ethanolate; sodium acetate; copper; potassium carbonate; acetic acid; acetone; zinc(II) chloride;

Reference yield:

4',5'-dihydropsolaren (7535-48-0) → psoralen (66-97-7)

Guidance literature:

With palladium on activated charcoal; diphenylether;

DOI:10.1021/ja01160a024

upstream raw materials:

6-hydroxybenzofuran-3-one

4-benzoxy-salicylaldehyde

Downstream raw materials:

psoralen