Dimethyl 2-(p-Methoxyphenyl)-6-methoxy-3,4-dihydro-2H-pyran-4,5-dicarboxyate

Base Information

• Chemical Name: Dimethyl 2-(p-Methoxyphenyl)-6-methoxy-3,4-dihydro-2H-pyran-4,5-dicarboxyate
• CAS No.: 77321-34-7
• Molecular Formula: C₁₇H₂₀O₇
• Molecular Weight: 336.342
• Mol file: 77321-34-7.mol

Synonyms:Dimethyl 2-(p-Methoxyphenyl)-6-methoxy-3,4-dihydro-2H-pyran-4,5-dicarboxyate

Chemical Property of Dimethyl 2-(p-Methoxyphenyl)-6-methoxy-3,4-dihydro-2H-pyran-4,5-dicarboxyate

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of Dimethyl 2-(p-Methoxyphenyl)-6-methoxy-3,4-dihydro-2H-pyran-4,5-dicarboxyate

There total 2 articles about Dimethyl 2-(p-Methoxyphenyl)-6-methoxy-3,4-dihydro-2H-pyran-4,5-dicarboxyate 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: 30.0%

4-Methoxystyrene (637-69-4,24936-44-5) + ethene-1,1,2-tricarboxylic acid trimethyl ester (51175-48-5) → Dimethyl 2-(p-Methoxyphenyl)-6-methoxy-3,4-dihydro-2H-pyran-4,5-dicarboxyate (77321-34-7)

Guidance literature:

In neat (no solvent); at 70 ℃;

DOI:10.1016/S0040-4039(00)86901-4

Reference yield:

4-Methoxystyrene (637-69-4,24936-44-5) + ethene-1,1,2-tricarboxylic acid trimethyl ester (51175-48-5) → Dimethyl 2-(p-Methoxyphenyl)-6-methoxy-3,4-dihydro-2H-pyran-4,5-dicarboxyate (77321-34-7)

Guidance literature:

With 2,2-diphenyl-1-picrylhydrazyl; at 70 ℃; for 19h; Mechanism; Product distribution; various solvents and also without DPPH;

DOI:10.1021/jo00327a022

Reference yield:

Dimethyl 2-(p-Methoxyphenyl)-6-methoxy-3,4-dihydro-2H-pyran-4,5-dicarboxyate (77321-34-7) → 4-Methoxystyrene (637-69-4,24936-44-5) + ethene-1,1,2-tricarboxylic acid trimethyl ester (51175-48-5) + Trimethyl 1-(p-Methoxyphenyl)-1-butene-3,4,4-tricarboxylate (77321-35-8)

Guidance literature:

With 2,2-diphenyl-1-picrylhydrazyl; In [D₃]acetonitrile; at 75 ℃; for 43h;

DOI:10.1021/jo00327a022

upstream raw materials:

4-Methoxystyrene

ethene-1,1,2-tricarboxylic acid trimethyl ester

Downstream raw materials:

4-Methoxystyrene

ethene-1,1,2-tricarboxylic acid trimethyl ester

Trimethyl 1-(p-Methoxyphenyl)-1-butene-3,4,4-tricarboxylate