2-(6,8-dichlorocoumarin-3-yl)-2-oxoethylidenetriphenylphosphorus ylide

Base Information

• Chemical Name: 2-(6,8-dichlorocoumarin-3-yl)-2-oxoethylidenetriphenylphosphorus ylide
• CAS No.: 172369-24-3
• Molecular Formula: C₂₉H₁₉Cl₂O₃P
• Molecular Weight: 517.348
• Mol file: 172369-24-3.mol

Synonyms:2-(6,8-dichlorocoumarin-3-yl)-2-oxoethylidenetriphenylphosphorus ylide

Chemical Property of 2-(6,8-dichlorocoumarin-3-yl)-2-oxoethylidenetriphenylphosphorus ylide

Chemical Property:

Purity/Quality:

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Technology Process of 2-(6,8-dichlorocoumarin-3-yl)-2-oxoethylidenetriphenylphosphorus ylide

There total 1 articles about 2-(6,8-dichlorocoumarin-3-yl)-2-oxoethylidenetriphenylphosphorus ylide 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: 98.0%

[2-(6,8-Dichloro-2-oxo-2H-chromen-3-yl)-2-oxo-ethyl]-triphenyl-phosphonium; bromide → 2-(6,8-dichlorocoumarin-3-yl)-2-oxoethylidenetriphenylphosphorus ylide (172369-24-3)

Guidance literature:

With potassium carbonate; In ethanol; for 12h; Ambient temperature;

DOI:10.1007/BF02219466

Reference yield: 97.0%

ethyl iodide (75-03-6) + 2-(6,8-dichlorocoumarin-3-yl)-2-oxoethylidenetriphenylphosphorus ylide (172369-24-3) → [(Z)-2-(6,8-Dichloro-2-oxo-2H-chromen-3-yl)-2-ethoxy-vinyl]-triphenyl-phosphonium; iodide

Guidance literature:

for 3h; Heating;

DOI:10.1007/BF02219466

Reference yield: 91.0%

2-(6,8-dichlorocoumarin-3-yl)-2-oxoethylidenetriphenylphosphorus ylide (172369-24-3) + methyl iodide (74-88-4) → [2-(6,8-Dichloro-2-oxo-2H-chromen-3-yl)-1-methyl-2-oxo-ethyl]-triphenyl-phosphonium; iodide

Guidance literature:

for 2h; Heating;

DOI:10.1007/BF02219466