3-[(Triphenyl-lambda~5~-phosphanylidene)acetyl]-2H-1-benzopyran-2-one

Base Information

Chemical Name:3-[(Triphenyl-lambda~5~-phosphanylidene)acetyl]-2H-1-benzopyran-2-one
CAS No.:140399-49-1
Molecular Formula:C29H21O3P
Molecular Weight:448.458
Hs Code.:
DSSTox Substance ID:DTXSID00577202
Wikidata:Q82467147
Mol file:140399-49-1.mol

Synonyms:140399-49-1;SCHEMBL13209831;DTXSID00577202;3-[(Triphenyl-lambda~5~-phosphanylidene)acetyl]-2H-1-benzopyran-2-one

Suppliers and Price of 3-[(Triphenyl-lambda~5~-phosphanylidene)acetyl]-2H-1-benzopyran-2-one

Supply Marketing:

Business phase:: The product has achieved commercial mass production^*data from LookChem market partment

Manufacturers and distributors:

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Chemical Property of 3-[(Triphenyl-lambda~5~-phosphanylidene)acetyl]-2H-1-benzopyran-2-one

Chemical Property:

XLogP3:5.4
Hydrogen Bond Donor Count:0
Hydrogen Bond Acceptor Count:3
Rotatable Bond Count:5
Exact Mass:448.12283153
Heavy Atom Count:33
Complexity:741

Purity/Quality:

Safty Information:

Pictogram(s):
Hazard Codes:

MSDS Files:: SDS file from LookChem

Useful:

Canonical SMILES:C1=CC=C(C=C1)P(=CC(=O)C2=CC3=CC=CC=C3OC2=O)(C4=CC=CC=C4)C5=CC=CC=C5

Technology Process of 3-[(Triphenyl-lambda~5~-phosphanylidene)acetyl]-2H-1-benzopyran-2-one

There total 4 articles about 3-[(Triphenyl-lambda~5~-phosphanylidene)acetyl]-2H-1-benzopyran-2-one 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: 95.0%

: 140445-65-4
<2-(3-coumarinyl)-2-oxoethyl>triphenylphosphonium bromide

: 140399-49-1
<2-(3-coumarinyl)-2-oxoethylidene>triphenylphosphorylide

Guidance literature:: With potassium carbonate; In ethanol; water; at 20 ℃; for 1.5h;

Reference yield:

: 3949-36-8
3-acetylcoumarin

: 140399-49-1
<2-(3-coumarinyl)-2-oxoethylidene>triphenylphosphorylide

Guidance literature:: Multi-step reaction with 3 steps

1: 75 percent / Br₂ / diethyl ether; dioxane / 1 h / 30 °C

2: 97 percent / benzene / 1 h / Heating

3: 92 percent / 10percent aq. K₂CO₃ / ethanol / 2 h / Ambient temperature

With bromine; potassium carbonate; In 1,4-dioxane; diethyl ether; ethanol; benzene;
DOI:10.1007/BF00772911

Reference yield:

: 29310-88-1
3-bromoacetylcoumarin

: 140399-49-1
<2-(3-coumarinyl)-2-oxoethylidene>triphenylphosphorylide

Guidance literature:: Multi-step reaction with 2 steps

1: 97 percent / benzene / 1 h / Heating

2: 92 percent / 10percent aq. K₂CO₃ / ethanol / 2 h / Ambient temperature

With potassium carbonate; In ethanol; benzene;
DOI:10.1007/BF00772911