2H-1-Benzopyran-2-one, 3-phenoxy-

Base Information

• Chemical Name: 2H-1-Benzopyran-2-one, 3-phenoxy-
• CAS No.: 91787-19-8
• Molecular Formula: C15H10O3
• Molecular Weight: 238.23800
• Mol file: 91787-19-8.mol

Synonyms:3-Phenoxy-2H-chromen-2-one;3-(phenoxy)coumarin;2H-1-Benzopyran-2-one,3-phenoxy;3-phenoxy-2H-chromen-2-on;3-phenoxycumarin;3-phenoxybenzo[b]pyran-2-one;3-phenoxy-2H-1-benzopyran-2-one;

Chemical Property of 2H-1-Benzopyran-2-one, 3-phenoxy-

Chemical Property:

• PSA: 39.44000
• LogP: 3.58530

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of 2H-1-Benzopyran-2-one, 3-phenoxy-

There total 5 articles about 2H-1-Benzopyran-2-one, 3-phenoxy- 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: 89.0%

salicylaldehyde (90-02-8) + 2-phenoxyacetic acid (122-59-8) → 3-phenoxy-2H-1-benzopyran-2-one (91787-19-8)

Guidance literature:

With N-[(dichlorophosphinoyloxy)methylene]-N-methylmethanammonium chloride; triethylamine; In dichloromethane; 1.) room temp., 5 min, 2.) 60 deg C, 30 min;

DOI:10.1055/s-1986-31877

Reference yield: 80.0%

3-Hydroxy-cumarin (939-19-5) + phenylboronic acid (98-80-6) → 3-phenoxy-2H-1-benzopyran-2-one (91787-19-8)

Guidance literature:

With copper diacetate; triethylamine; In dichloromethane; at 20 ℃; for 24h; Molecular sieve; Inert atmosphere;

DOI:10.1080/00397911.2011.594544

Reference yield: 55.0%

6H-<1>benzopyrano<3,4-b><1,4>benzoxanthiin-6-one → 3-phenoxy-2H-1-benzopyran-2-one (91787-19-8)

Guidance literature:

With nickel; In ethanol; for 1h; Heating;

upstream raw materials:

N,N-Diethyl-phenoxyacetamide

salicylaldehyde

2-phenoxyacetic acid

2-methyl-benzyl alcohol