3-(3,5-dibromo-4-hydroxyphenyl)-2-(tetrahydropyran-2-yloxyimino)propionic acid

Base Information

• Chemical Name: 3-(3,5-dibromo-4-hydroxyphenyl)-2-(tetrahydropyran-2-yloxyimino)propionic acid
• CAS No.: 862479-43-4
• Molecular Formula: C₁₄H₁₅Br₂NO₅
• Molecular Weight: 437.085

Synonyms:3-(3,5-dibromo-4-hydroxyphenyl)-2-(tetrahydropyran-2-yloxyimino)propionic acid

Chemical Property of 3-(3,5-dibromo-4-hydroxyphenyl)-2-(tetrahydropyran-2-yloxyimino)propionic acid

Chemical Property:

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Technology Process of 3-(3,5-dibromo-4-hydroxyphenyl)-2-(tetrahydropyran-2-yloxyimino)propionic acid

There total 2 articles about 3-(3,5-dibromo-4-hydroxyphenyl)-2-(tetrahydropyran-2-yloxyimino)propionic acid 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:

3-(4-Hydroxy-phenyl)-2-[(E)-tetrahydro-pyran-2-yloxyimino]-propionic acid (664994-80-3) → 3-(3,5-dibromo-4-hydroxyphenyl)-2-(tetrahydropyran-2-yloxyimino)propionic acid (862479-43-4)

Guidance literature:

With N-Bromosuccinimide; In N,N-dimethyl-formamide; at 0 ℃; for 2h;

DOI:10.1016/j.tet.2005.05.038

Reference yield:

4-hydroxyphenylpiruvic acid (156-39-8) → 3-(3,5-dibromo-4-hydroxyphenyl)-2-(tetrahydropyran-2-yloxyimino)propionic acid (862479-43-4)

Guidance literature:

Multi-step reaction with 2 steps

1: NaOAc / ethanol / 6 h / 20 °C

2: 21 mg / N-bromosuccinimide / dimethylformamide / 2 h / 0 °C

With N-Bromosuccinimide; sodium acetate; In ethanol; N,N-dimethyl-formamide;

DOI:10.1016/j.tet.2005.05.038

Reference yield: 42.0%

3-(3,5-dibromo-4-hydroxyphenyl)-2-(tetrahydropyran-2-yloxyimino)propionic acid (862479-43-4) → 3-{4-[9-bromo-2,8-dioxo-3-(tetrahydropyran-2-yloxyimino)-1-oxaspiro[4.5]deca-6,9-dien-7-yloxy]-3,5-dibromophenyl}-2-(tetrahydropyran-2-yloxyimino)propionic acid

Guidance literature:

With ammonium cerium(IV) nitrate; In water; acetonitrile; at 0 ℃; for 1h;

DOI:10.1016/j.tet.2005.05.038

upstream raw materials:

3-(4-Hydroxy-phenyl)-2-[(E)-tetrahydro-pyran-2-yloxyimino]-propionic acid

4-hydroxyphenylpiruvic acid

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