3-methyl-4-(3,4-dihydroxyphenyl)methylene-isoxazole-5(4H)-one

Base Information

• Chemical Name: 3-methyl-4-(3,4-dihydroxyphenyl)methylene-isoxazole-5(4H)-one
• CAS No.: 99972-75-5
• Molecular Formula: C₁₁H₉NO₄
• Molecular Weight: 219.197
• Mol file: 99972-75-5.mol

Synonyms:3-methyl-4-(3,4-dihydroxyphenyl)methylene-isoxazole-5(4H)-one

Chemical Property of 3-methyl-4-(3,4-dihydroxyphenyl)methylene-isoxazole-5(4H)-one

Chemical Property:

Purity/Quality:

Safty Information:

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MSDS Files:

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Technology Process of 3-methyl-4-(3,4-dihydroxyphenyl)methylene-isoxazole-5(4H)-one

There total 4 articles about 3-methyl-4-(3,4-dihydroxyphenyl)methylene-isoxazole-5(4H)-one which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield: 90.0%

ethyl acetoacetate (141-97-9) + 3,4-dihydroxybenzaldehyde (139-85-5) → 3-methyl-4-(3,4-dihydroxyphenyl)methylene-isoxazole-5(4H)-one (99972-75-5)

Guidance literature:

With Ag/SiO₂; hydroxylamine hydrochloride; In water; at 20 ℃; for 1h; Green chemistry;

DOI:10.1007/s11164-015-2167-2

Reference yield:

3-methyl-5-isoxazolone (1517-96-0) + 3,4-dihydroxybenzaldehyde (139-85-5) → 3-methyl-4-(3,4-dihydroxyphenyl)methylene-isoxazole-5(4H)-one (99972-75-5)

Guidance literature:

With lemon juice; In ethanol; water; at 90 ℃; for 0.933333h; Green chemistry;

DOI:10.1007/s11164-016-2553-4

Reference yield:

ethyl 2-(3,4-dihydroxybenzylidene)-3-oxobutanoate (100798-32-1) → 3-methyl-4-(3,4-dihydroxyphenyl)methylene-isoxazole-5(4H)-one (99972-75-5)

Guidance literature:

With hydrogenchloride; sodium hydroxide; hydroxylamine;

upstream raw materials:

ethyl 2-(3,4-dihydroxybenzylidene)-3-oxobutanoate

3,4-dihydroxybenzaldehyde

ethyl acetoacetate

3-methyl-5-isoxazolone