[(E)-3-Methyl-2-oxo-3-pentenyl]phosphonic acid dimethyl ester

Base Information

• Chemical Name: [(E)-3-Methyl-2-oxo-3-pentenyl]phosphonic acid dimethyl ester
• CAS No.: 54543-04-3
• Molecular Formula: C8H15O4P
• Molecular Weight: 206.178
• Hs Code.: 2931900090
• Mol file: 54543-04-3.mol

Synonyms:[(E)-3-Methyl-2-oxo-3-pentenyl]phosphonic acid dimethyl ester

Chemical Property of [(E)-3-Methyl-2-oxo-3-pentenyl]phosphonic acid dimethyl ester

Chemical Property:

• Boiling Point: 287.1±23.0 °C(Predicted)
• PSA: 62.41000
• Density: 1.096±0.06 g/cm3(Predicted)
• LogP: 2.00760

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

• Uses: Dimethyl (E)-(3-Methyl-2-oxopent-3-en-1-yl)phosphonate is an intermediate in the synthesis of 1-cis-2-cis-3-Trimethylcyclopentane (T796085), which is one of the potential volatile compounds migrants from acrylic-base adhesives used in food-contact materials.

Technology Process of [(E)-3-Methyl-2-oxo-3-pentenyl]phosphonic acid dimethyl ester

There total 1 articles about [(E)-3-Methyl-2-oxo-3-pentenyl]phosphonic acid dimethyl ester 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:

(E)-(3-methyl-3-penten-1-ynyl)-phosphonic acid, dimethyl ester (22152-33-6) → Dimethyl ((Z)-3-Methyl-2-oxo-3-pentenyl)phosphonate (54543-04-3)

Guidance literature:

With methanol; boron trifluoride diethyl etherate; chloroacetic acid; mercury(II) oxide;

DOI:10.1139/v74-421

Reference yield:

Dimethyl ((Z)-3-Methyl-2-oxo-3-pentenyl)phosphonate (54543-04-3) → 2,3,4-trimethylcyclopent-2-en-1-one (28790-86-5)

Guidance literature:

Multi-step reaction with 2 steps

1: 40 percent / K₂CO₃ / H₂O

2: 61 percent / conc. H2SO4 / 6 h / 60 °C / same reaction with further α,β-dimethyl-β'-alkyl α,α'-dienones

With sulfuric acid; potassium carbonate; In water;

DOI:10.1021/jo00002a047

upstream raw materials:

(E)-(3-methyl-3-penten-1-ynyl)-phosphonic acid, dimethyl ester

Downstream raw materials:

2,3,4-trimethylcyclopent-2-en-1-one