139266-59-4

Basic information

• Product Name: (1Z,5Z)-1,6-bis(4-chlorophenyl)-1,6-dihydroxyhexa-1,5-diene-3,4-dione
• CAS NO: 139266-59-4
• Molecular Formula: C₁₈H₁₂Cl₂O₄
• Molecular Weight: 363.1915
• Mol File: 139266-59-4.mol
• Article Data: 3

Chemical Properties

• Boiling Point: 555.2°C at 760 mmHg
• Flash Point: 289.6°C
• Density: 1.44g/cm³
• Vapor Pressure: 3.67E-13mmHg at 25°C
• Refractive Index: 1.654
• CAS DataBase Reference: (1Z,5Z)-1,6-bis(4-chlorophenyl)-1,6-dihydroxyhexa-1,5-diene-3,4-dione(CAS DataBase Reference)
• NIST Chemistry Reference: (1Z,5Z)-1,6-bis(4-chlorophenyl)-1,6-dihydroxyhexa-1,5-diene-3,4-dione(139266-59-4)
• EPA Substance Registry System: (1Z,5Z)-1,6-bis(4-chlorophenyl)-1,6-dihydroxyhexa-1,5-diene-3,4-dione(139266-59-4)

Safety Data

• Hazardous Substances Data: 139266-59-4(Hazardous Substances Data)

Upstream product

• 99-91-2 para-chloroacetophenone 
• 95-92-1 oxalic acid diethyl ester 
• 58303-62-1 5-(4-chlorophenyl)-2,3-dihydrofuran-2,3-dione 
• 288072-76-4 5-(4-Chloro-phenyl)-2-[2-(4-chloro-phenyl)-2-oxo-eth-(E)-ylidene]-furan-3-one 

Downstream Products

• 288072-76-4 5-(4-Chloro-phenyl)-2-[2-(4-chloro-phenyl)-2-oxo-eth-(E)-ylidene]-furan-3-one 
• 70372-52-0 (Z)-3-(2-(4-chlorophenyl)-2-oxoethylidene)-3,4-dihydro-2H-benzo[b][1,4]oxazin-2-one 
• 70591-11-6 2-(p-chlorobenzoylmethylene)-5-(p-chlorophenyl)-2,3-dihydro-3-furanone 

Relevant articles and documents

1.3.4.6-Tetracarbonyl Compounds. I. The Novel Synthesis of 1,6-Diaryl-3,4-dihydroxy-hexa-2,4-diene-1,6-diones from 5-Aryl-furan-2,3-diones

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1,3,4,6-Tetracarbonyl compounds. 3. Synthesis, structural features, and antimicrobial activity of 1,6-diaryl-3,4-dihydroxy-2,4-hexadiene-1,6-diones

The Wittig reaction of 5-aryl-2,3-dihydro-2,3-furandiones with aroylmethylenetriphenylphosphoranes is regioselective and leads to the formation of 5-aryl-2-aroylmethylene-2,3-dihydro-3-furanones. In the presence of acid the products react with water, givi