3-(4-Chlorophenyl)-3,4-dihydro-1H-2-benzopyran-1-one

Base Information

• Chemical Name: 3-(4-Chlorophenyl)-3,4-dihydro-1H-2-benzopyran-1-one
• CAS No.: 38453-75-7
• Molecular Formula: C15H11ClO2
• Molecular Weight: 258.704
• DSSTox Substance ID: DTXSID70572047
• Nikkaji Number: J985.850D
• Mol file: 38453-75-7.mol

Synonyms:38453-75-7;3-(4-Chlorophenyl)-3,4-dihydro-1H-2-benzopyran-1-one;DTXSID70572047

Chemical Property of 3-(4-Chlorophenyl)-3,4-dihydro-1H-2-benzopyran-1-one

Chemical Property:

• XLogP3: 4
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 2
• Rotatable Bond Count: 1
• Exact Mass: 258.0447573
• Heavy Atom Count: 18
• Complexity: 310

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: C1C(OC(=O)C2=CC=CC=C21)C3=CC=C(C=C3)Cl

Technology Process of 3-(4-Chlorophenyl)-3,4-dihydro-1H-2-benzopyran-1-one

There total 13 articles about 3-(4-Chlorophenyl)-3,4-dihydro-1H-2-benzopyran-1-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: 78.0%

(+/-)-3-(4'-chlorophenyl)isochroman (849769-01-3) → 3-(4-chlorophenyl)-3,4-dihydro-1H-isochromen-1-one (38453-75-7)

Guidance literature:

With chromium(VI) oxide; In water; acetic acid; at 20 ℃; for 2h;

DOI:10.1081/SCC-200048399

Reference yield: 62.0%

4-vinylbenzyl chloride (1073-67-2,24991-47-7) + ortho-carboxybenzenediazonium tetrafluoroborate (14783-89-2) → 3-(4-chlorophenyl)-3,4-dihydro-1H-isochromen-1-one (38453-75-7)

Guidance literature:

With sulfuric acid; palladium diacetate; In ethanol; at 80 ℃; regioselective reaction; Air atmosphere;

DOI:10.1016/j.tetlet.2011.09.014

Reference yield: 48.0%

4-chlorobenzaldehyde (104-88-1) + 2-ethoxycarbonylbenzyl bromide (7115-91-5) → 3-(4-chlorophenyl)-3,4-dihydro-1H-isochromen-1-one (38453-75-7)

Guidance literature:

With bis(cyclopentadienyl)titanium dichloride; zinc; In tetrahydrofuran; at 20 ℃;

DOI:10.1016/j.tetlet.2007.03.172

upstream raw materials:

(+/-)-3-(4'-chlorophenyl)isochroman

4-chlorobenzaldehyde

2-ethoxycarbonylbenzyl bromide

1-(4-chlorophenyl)-2-phenylethanol

Downstream raw materials:

1-(4-chlorophenyl)-2-[2-(hydroxymethyl)phenyl]ethanol