[(9-Methoxy-7-methyl-5-oxo-5H-furo[3,2-g]chromen-4-yl)oxy]acetic acid

Base Information

• Chemical Name: [(9-Methoxy-7-methyl-5-oxo-5H-furo[3,2-g]chromen-4-yl)oxy]acetic acid
• CAS No.: 14899-32-2
• Molecular Formula: C₁₅H₁₂O₇
• Molecular Weight: 304.256
• Mol file: 14899-32-2.mol

Synonyms:Aceticacid, [(9-methoxy-7-methyl-5-oxo-5H-furo[3,2-g][1]benzopyran-4-yl)oxy]- (6CI,8CI,9CI);Khellinoacetic acid (7CI); 5H-Furo[3,2-g][1]benzopyran, acetic acid deriv.

Chemical Property of [(9-Methoxy-7-methyl-5-oxo-5H-furo[3,2-g]chromen-4-yl)oxy]acetic acid

Chemical Property:

• Vapor Pressure: 8.62E-13mmHg at 25°C
• Boiling Point: 546.8°Cat760mmHg
• Flash Point: 284.5°C
• Density: 1.441g/cm³

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of [(9-Methoxy-7-methyl-5-oxo-5H-furo[3,2-g]chromen-4-yl)oxy]acetic acid

There total 3 articles about [(9-Methoxy-7-methyl-5-oxo-5H-furo[3,2-g]chromen-4-yl)oxy]acetic acid 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:

khellinol (478-42-2) → (9-methoxy-7-methyl-5-oxo-5H-furo[3,2-g]chromen-4-yloxy)-acetic acid (14899-32-2)

Guidance literature:

With potassium carbonate; ethyl bromoacetate; acetone; Erhitzen des Reaktionsprodukts mit wss. Schwefelsaeure und Essigsaeure;

Reference yield:

(9-methoxy-7-methyl-5-oxo-5H-furo[3,2-g]chromen-4-yloxy)-acetic acid ethyl ester (109155-49-9) → (9-methoxy-7-methyl-5-oxo-5H-furo[3,2-g]chromen-4-yloxy)-acetic acid (14899-32-2)

Guidance literature:

With sulfuric acid; acetic acid;

DOI:10.1002/jps.3030410616

Reference yield:

Khellin (82-02-0) → (9-methoxy-7-methyl-5-oxo-5H-furo[3,2-g]chromen-4-yloxy)-acetic acid (14899-32-2)

Guidance literature:

Multi-step reaction with 3 steps

1: aqueous hydrobromic acid

2: potassium carbonate; acetone

3: aqueous sulfuric acid; acetic acid

With sulfuric acid; hydrogen bromide; potassium carbonate; acetic acid; acetone;

DOI:10.1002/jps.3030410616

upstream raw materials:

khellinol

(9-methoxy-7-methyl-5-oxo-5H-furo[3,2-g]chromen-4-yloxy)-acetic acid ethyl ester

Khellin

Refernces