Methyl 6-chloro-2-oxo-2H-chromene-3-carboxylate ,97%

Base Information

• Chemical Name: Methyl 6-chloro-2-oxo-2H-chromene-3-carboxylate ,97%
• CAS No.: 91058-98-9
• Molecular Formula: C₁₁H₇ClO₄
• Molecular Weight: 238.627
• Hs Code.: 2932209090
• Mol file: 91058-98-9.mol

Synonyms:Methyl 6-chloro-2-oxo-2H-chromene-3-carboxylate ,97%;methyl 6-chloro-2-oxo-2H-chromene-3-carboxylate;6-Chloro-2-oxo-2H-1-benzopyran-3-carboxylic acid methyl ester

Chemical Property of Methyl 6-chloro-2-oxo-2H-chromene-3-carboxylate ,97%

Chemical Property:

• Boiling Point: 406.2±45.0 °C(Predicted)
• PSA: 56.51000
• Density: 1.449±0.06 g/cm3(Predicted)
• LogP: 2.23300

Purity/Quality:

99%, ^*data from raw suppliers

Methyl6-chloro-2-oxo-2H-chromene-3-carboxylate ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of Methyl 6-chloro-2-oxo-2H-chromene-3-carboxylate ,97%

There total 3 articles about Methyl 6-chloro-2-oxo-2H-chromene-3-carboxylate ,97% 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: 89.0%

methanol (67-56-1) + cycl-isopropylidene malonate (2033-24-1) + 5-chlorosalicyclaldehyde (635-93-8) → methyl 6-chloro-2-oxo-2H-chromene-3-carboxylate (91058-98-9)

Guidance literature:

With iron(III) chloride; at 70 ℃; for 8h;

DOI:10.1016/j.tet.2014.12.042

Reference yield: 83.0%

→ methyl 6-chloro-2-oxo-2H-chromene-3-carboxylate (91058-98-9)

Guidance literature:

With iron(III) chloride; at 70 ℃; for 6h; Green chemistry;

Reference yield: 60.0%

5-chlorosalicyclaldehyde (635-93-8) + malonic acid dimethyl ester (108-59-8) → methyl 6-chloro-2-oxo-2H-chromene-3-carboxylate (91058-98-9)

Guidance literature:

With Ethyl nipecotate; In acetonitrile; at 20 ℃; for 24h;

upstream raw materials:

methanol

cycl-isopropylidene malonate

5-chlorosalicyclaldehyde

malonic acid dimethyl ester

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