66346-12-1

Basic information

• Product Name: 2H-1-Benzopyran-2-one, 7,7'-[1,2-ethanediylbis(oxy)]bis[4-phenyl-
• CAS NO: 66346-12-1
• Molecular Formula: C32H22O6
• Molecular Weight: 502.523
• Mol File: 66346-12-1.mol
• Article Data: 1

Chemical Properties

• CAS DataBase Reference: 2H-1-Benzopyran-2-one, 7,7'-[1,2-ethanediylbis(oxy)]bis[4-phenyl-(CAS DataBase Reference)
• NIST Chemistry Reference: 2H-1-Benzopyran-2-one, 7,7'-[1,2-ethanediylbis(oxy)]bis[4-phenyl-(66346-12-1)
• EPA Substance Registry System: 2H-1-Benzopyran-2-one, 7,7'-[1,2-ethanediylbis(oxy)]bis[4-phenyl-(66346-12-1)

Safety Data

• Hazardous Substances Data: 66346-12-1(Hazardous Substances Data)

Upstream product

• 61166-00-5 1,4-bis(3-hydroxyphenyl)-1,4-dioxabutane 
• 94-02-0 ethyl 3-oxo-3-phenylpropionate 

Relevant articles and documents

The synthesis of chromophore ended glycoles, part IV. Bis-coumarin derivatives ended polyglycols

The coumarin derivatives of bis-resorcin ended polyglycols were prepared in two ways: Bis-4-alkyl-7-oxycoumarin ended mono and diethyleneglycols were prepared starting from bis(3-hydroxyphenyl)glycols by coumarin condensation using relevant β-ketoesters. Accordingly, 4-methyl, 4-trifluoromethyl, 4-n-propyl and 4-phenyl derivatives of 7-hydroxycoumarins were prepared in good yields. They were then converted to bis-coumarin ended three and tetraethylenglycol derivatives by reacting with three and tetraethyleneglycols dichlorides in Na2CO3/DMF, respectively. The products were identified using IR, 1H nmr and low resolution mass spectrometry. The Li+, Na+ and Rb+ metal/Ligand selectivities of cation binding behaviour of products in acetonitrile were studied with steady state fluorescence spectroscopy.