Production Method 1

57544-05-5

91735-21-6

877-22-5

100-09-4

Reaction Conditions

1.1 Reagents: Potassium superoxide Solvents: Dimethyl sulfoxide

Reference

Reaction of potassium superoxide with 3-nitro-2-phenyl-2H-1-benzopyrans and their dihydro derivatives

Rao, Takkellapati Sudhakar; et al, Heterocycles, 1987, 26(8), 2117-24

4H-1-Benzopyran-4-one, 3-hydroxy-8-methoxy-2-(4-methoxyphenyl)- Raw materials

• 8-methoxy-2-(4-methoxyphenyl)-3-nitro-2H-chromene

4H-1-Benzopyran-4-one, 3-hydroxy-8-methoxy-2-(4-methoxyphenyl)- Preparation Products

• o-Vanillic Acid (877-22-5)
• p-Anisic acid (100-09-4)
• 4H-1-Benzopyran-4-one, 3-hydroxy-8-methoxy-2-(4-methoxyphenyl)- (91735-21-6)

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