131146-40-2

Basic information

• Product Name: 3-(3',4'-dihydroxyphenyl)-4-hydroxy-5-<(4''-hydroxyphenyl)methylene>furan-2(5H)-one
• Synonyms: 3-(3',4'-dihydroxyphenyl)-4-hydroxy-5-<(4''-hydroxyphenyl)methylene>furan-2(5H)-one
• CAS NO: 131146-40-2
• Molecular Weight: 312.279
• Mol File: 131146-40-2.mol
• Article Data: 3

Chemical Properties

• CAS DataBase Reference: 3-(3',4'-dihydroxyphenyl)-4-hydroxy-5-<(4''-hydroxyphenyl)methylene>furan-2(5H)-one(CAS DataBase Reference)
• NIST Chemistry Reference: 3-(3',4'-dihydroxyphenyl)-4-hydroxy-5-<(4''-hydroxyphenyl)methylene>furan-2(5H)-one(131146-40-2)
• EPA Substance Registry System: 3-(3',4'-dihydroxyphenyl)-4-hydroxy-5-<(4''-hydroxyphenyl)methylene>furan-2(5H)-one(131146-40-2)

Safety Data

• Hazardous Substances Data: 131146-40-2(Hazardous Substances Data)

Upstream product

• 929688-03-9 (Z)-3-(3,4-dimethoxyphenyl)-4-hydroxy-5-(4-methoxybenzylidene)furan-2(5H)-one 
• 93831-19-7 3',4',4-tribenzyloxypulvinone 
• 5447-02-9 3,4-dibenzyloxybenzaldehyde 
• 139-85-5 3,4-dihydroxybenzaldehyde 
• 93831-20-0 (2E,4Z)-2-(4-Benzyloxy-phenyl)-5-(3,4-bis-benzyloxy-phenyl)-3,4-dihydroxy-penta-2,4-dienoic acid 
• 93831-18-6 (Z)-5'-(3,4-dibenzyloxybenzylidene)cyclohexanespiro-2'-(1',3'-dioxolan)-4'-one 
• 68641-16-7 (4-benzyloxy-phenyl)-acetic acid methyl ester 
• 6547-53-1 2-[4-(benzyloxy)benzyl]acetic acid 
• 51282-20-3 3-(3',4'-dimethoxyphenyl)-4-methoxy-5-<(4''-methoxyphenyl)methylene>furan-2(5H)-one 
• 131146-34-4 3-(3',4'-dimethoxyphenyl)-4-methoxy-5-<(4''-methoxyphenyl)methyl>furan-2(5H)-one 
• 131146-38-8 3-(3',4'-dihydroxyphenyl)-5-(4''-hydroxyphenyl)methylene-4-methoxyfuran-2(5H)-one 

Relevant articles and documents

Novel synthesis of naturally occurring pulvinones: A heck coupling, transesterification, and Dieckmann condensation strategy

Phosphine-free Heck alkenylations of iodoarenes with trifluoroethyl 2-acetoxyacrylate (19) led stereoselectively to trifluoroethyl (Z)-2-acetoxycinnamates 31-34, 42, 44, and 51. Deacetylation followed by acylation with N,N′-dicyclohexylcarbodiimide activa

Dioxolanones as Synthetic Intermediates. Part 2. Synthesis of Tetronic Acids and Pulvinones

The utility of 1,3-dioxolan-4-ones as intermediates in the synthesis of tetronic acids is examined.The reaction of dioxolanone (1) with lithium enolates of 2-substituted methyl or t-butyl acetates at -78 deg C in tetrahydrofuran afforded a general synthesis of 2-substituted tetronic acids (3) - (8).Treatment of (1) with the anions of 2-substituted acetonitriles led to formation of the corresponding 3-substituted-2-aminofuran-4(5H)-ones (13) and (14).A route to unsymmetrically substituted pulvinones by reaction of 5-arylidene-2,2-pentamethylene-1,3-dioxolan-4-ones with appropriately substituted phenylacetic ester anions has been devised.Thus, the preparation of the naturally occurring pigment 3',4',4-trihydroxypulvinone (18) was achieved via intermediate in which the phenolic groups were protected as benzyl ethers.The dioxolanone (26) has been used in the preparation of 2-acyl-4-benzylidenetetronic acids.