2(3H)-Furanone,5-[(3,4-dihydroxyphenyl)methyl]dihydro-(9CI)

Base Information

• Chemical Name: 2(3H)-Furanone,5-[(3,4-dihydroxyphenyl)methyl]dihydro-(9CI)
• CAS No.: 21618-92-8
• Molecular Formula: C₁₁H₁₂O₄
• Molecular Weight: 208.214
• Mol file: 21618-92-8.mol

Synonyms:2(3H)-Furanone,5-(3,4-dihydroxybenzyl)dihydro- (8CI); Valeric acid,5-(3,4-dihydroxyphenyl)-4-hydroxy-, g-lactone (6CI); (?à)-d-(3,4-Dihydroxyphenyl)-g-valerolactone; d-(3,4-Dihydroxyphenyl)-g-valerolactone

Chemical Property of 2(3H)-Furanone,5-[(3,4-dihydroxyphenyl)methyl]dihydro-(9CI)

Chemical Property:

• Vapor Pressure: 2.14E-09mmHg at 25°C
• Melting Point: 145-146℃
• Refractive Index: 1.618
• Boiling Point: 468.4°Cat760mmHg
• PKA: 9.73±0.10(Predicted)
• Flash Point: 190.6°C
• PSA: 66.76000
• Density: 1.375g/cm³
• LogP: 1.34590

Purity/Quality:

99% ^*data from raw suppliers

5-((3,4-DIHYDROXYPHENYL)METHYL)OXOLAN-2-ONE 95.00% ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of 2(3H)-Furanone,5-[(3,4-dihydroxyphenyl)methyl]dihydro-(9CI)

There total 18 articles about 2(3H)-Furanone,5-[(3,4-dihydroxyphenyl)methyl]dihydro-(9CI) 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%

5-(3',4'-bis(benzyloxy)benzylidene)furan-2(5H)-one → 5-(3′,4′,5′-trihydroxyphenyl)valeric acid (31129-94-9) + 5-(3′,4′-dihydroxyphenyl)-γ-valerolactone (21618-92-8,54375-79-0,83993-39-9)

Guidance literature:

With palladium 10% on activated carbon; hydrogen; In acetonitrile; at 20 ℃; for 15h;

DOI:10.1080/00397910903419845

Reference yield: 69.0%

5-(3,4-dimethoxybenzyl)dihydrofuran-2(3H)-one (72719-14-3) → 5-(3′,4′-dihydroxyphenyl)-γ-valerolactone (21618-92-8,54375-79-0,83993-39-9)

Guidance literature:

With boron tribromide; In dichloromethane; at -78 - 20 ℃; for 10h;

DOI:10.3390/molecules25081970

Reference yield: 34.0%

5-(3-hydroxy-4-methoxy-benzyl)-dihydro-furan-2-one (848653-51-0) → 5-(3′,4′-dihydroxyphenyl)-γ-valerolactone (21618-92-8,54375-79-0,83993-39-9)

Guidance literature:

With boron tribromide; In dichloromethane; at -78 - 0 ℃;

DOI:10.1016/j.bmcl.2004.12.070

upstream raw materials:

5-(3,4-dimethoxybenzyl)dihydrofuran-2(3H)-one

δ‐(3‐methoxy‐4‐hydroxyphenyl)‐γ‐valerolactone

5-(3-hydroxy-4-methoxy-benzyl)-dihydro-furan-2-one

Methyl 4-pentenoate

Downstream raw materials:

5-(3,4-dimethoxy-phenyl)-4-hydroxy-valeric acid-lactone

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