76303-38-3

Basic information

• Product Name: 3,3'-(2'',5''-dihydroxy-4''-methoxy-1'',3''-phenylene)bis(4-hydroxy-2H-1-benzopyran-2-one)
• Synonyms: 3,3'-(2'',5''-dihydroxy-4''-methoxy-1'',3''-phenylene)bis(4-hydroxy-2H-1-benzopyran-2-one)
• CAS NO: 76303-38-3
• Molecular Weight: 460.397
• Mol File: 76303-38-3.mol
• Article Data: 1

Chemical Properties

• CAS DataBase Reference: 3,3'-(2'',5''-dihydroxy-4''-methoxy-1'',3''-phenylene)bis(4-hydroxy-2H-1-benzopyran-2-one)(CAS DataBase Reference)
• NIST Chemistry Reference: 3,3'-(2'',5''-dihydroxy-4''-methoxy-1'',3''-phenylene)bis(4-hydroxy-2H-1-benzopyran-2-one)(76303-38-3)
• EPA Substance Registry System: 3,3'-(2'',5''-dihydroxy-4''-methoxy-1'',3''-phenylene)bis(4-hydroxy-2H-1-benzopyran-2-one)(76303-38-3)

Safety Data

• Hazardous Substances Data: 76303-38-3(Hazardous Substances Data)

Upstream product

• 1076-38-6 4-hydroxy[1]benzopyran-2-one 
• 2880-58-2 2-methoxy-1,4-benzoquinone 

Relevant articles and documents

Quinones and Quinone Methides. VII. Reactions of 1,4-Naphthoquinone and 1,4-Benzoquinones with 4-Hydroxy-2H-1-benzopyran-2-one and 5,5-Dimethylcyclohexane-1,3-dione in Acid Solutions

4-Hydroxy-2H-1-benzopyran-2-one (4) reacts with 1,4-naphthoquinone, 2-methoxy-1,4-benzoquinone and 1,4-benzoquinone in aqueous acetic acid solutions to yield the quinone (6) and the quinols (11) and (2), respectively.With 5,5-dimethylcyclohexane-1,3-dione, 1,4-naphthoquinone forms a bisfurano compound (9) while 1,4-benzoquinone yields the bisfurano compound (18) and the monophenolic furano derivative (17).The blue product formed by acid catalysed dimerization of 2-methoxy-1,4-benzoquinone forms a diacetate, the n.m.r. spectra of which is in accord with structure (15b).