137532-17-3

Basic information

• Product Name: 3-(4-aminophenyl)-5-hydroxy-4,7-diphenylbenzofuran-2,6-dione
• CAS NO: 137532-17-3
• Molecular Weight: 407.425
• Mol File: 137532-17-3.mol
• Article Data: 2

Chemical Properties

• CAS DataBase Reference: 3-(4-aminophenyl)-5-hydroxy-4,7-diphenylbenzofuran-2,6-dione(CAS DataBase Reference)
• NIST Chemistry Reference: 3-(4-aminophenyl)-5-hydroxy-4,7-diphenylbenzofuran-2,6-dione(137532-17-3)
• EPA Substance Registry System: 3-(4-aminophenyl)-5-hydroxy-4,7-diphenylbenzofuran-2,6-dione(137532-17-3)

Safety Data

• Hazardous Substances Data: 137532-17-3(Hazardous Substances Data)

Upstream product

• 548-59-4 2,5-dihydroxy-3,6-diphenyl-1,4-benzoquinone 
• 1197-55-3 4-aminophenylacetic acid 
• 57740-69-9 6-Benzyliden-3-hydroxy-4-phenyl-2H-pyran-2,5(6H)-dion 
• 131146-48-0 3-methoxy-4-phenyl-6-(phenylmethylene)-2H-pyran-2,5(6H)-dione 
• 131146-48-0 6-benzylidene-3-methoxy-4-phenylpyran-2,5-dione 
• 137532-11-7 3-oxo-1,4-diphenylbutan-2-yl ethyl oxalate 
• 131146-47-9 6-bromo-3-methoxy-4-phenyl-6-(phenylmethyl)-2H-pyran-2,5(6H)-dione 
• 131146-44-6 3-methoxy-4-phenyl-6-(phenylmethyl)-2H-pyran-2,5(6H)-dione 
• 131146-41-3 3-hydroxy-4-phenyl-6-(phenylmethyl)-2H-pyran-2,5(6H)-dione 
• 93554-96-2 α-<(trimethylsilyl)oxy>benzenepropanenitrile 
• 122-78-1 phenylacetaldehyde 
• 6838-54-6 3-hydroxy-1,4-diphenyl-2-butanone 
• 57740-69-9 6-benzylidene-3-hydroxy-4-phenyl-pyran-2,5-dione 

Relevant articles and documents

Synthesis of Grevillins, Novel Pyrandione Pigments of Fungi. Biogenetic Interrelationships between Grevillins, Pulvinic Acids, Terphenylquinones and Xylerythrins

A synthesis of the grevillin group of pyrandione pigments, e.g. 3, 23 and 24 present in fungi is described.The synthesis, which is based on a biogenetic model, uses bis-benzylacyloins 9 and their corresponding oxalate derivatives as key intermediates (Scheme 3).Treatment of the grevillins 25a-c with sodium ethoxide in ethanol effects their quantitative isomerisation into the corresponding terphenylquinone pigments 4a-c.Perkin-type condensations between the terphenylquinones 4 and arylacetic acids in the presence of sodium acetate-acetic anhydride then produces the xylerythrin pigments 29a-e, whereas rearrangements of 4 in the presence of dimethyl sulphoxide leads to pulvinic acid derivative, e.g. 31, 32 and 5.These synthetic studies interrelate the biosynthetic origins of the pigment types 3, 4, 5 and 8 together with the related pulvinones 6 and furanone 7 fungal pigments.