Acetic acid (2R,3R,6S)-2-acetoxymethyl-6-(2,4-dimethoxy-phenyl)-4-[(E)-hydroxyimino]-tetrahydro-pyran-3-yl ester

Base Information

• Chemical Name: Acetic acid (2R,3R,6S)-2-acetoxymethyl-6-(2,4-dimethoxy-phenyl)-4-[(E)-hydroxyimino]-tetrahydro-pyran-3-yl ester
• CAS No.: 78465-59-5
• Molecular Formula: C₁₈H₂₃NO₈
• Molecular Weight: 381.383

Synonyms:Acetic acid (2R,3R,6S)-2-acetoxymethyl-6-(2,4-dimethoxy-phenyl)-4-[(E)-hydroxyimino]-tetrahydro-pyran-3-yl ester

Chemical Property of Acetic acid (2R,3R,6S)-2-acetoxymethyl-6-(2,4-dimethoxy-phenyl)-4-[(E)-hydroxyimino]-tetrahydro-pyran-3-yl ester

Chemical Property:

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Technology Process of Acetic acid (2R,3R,6S)-2-acetoxymethyl-6-(2,4-dimethoxy-phenyl)-4-[(E)-hydroxyimino]-tetrahydro-pyran-3-yl ester

There total 3 articles about Acetic acid (2R,3R,6S)-2-acetoxymethyl-6-(2,4-dimethoxy-phenyl)-4-[(E)-hydroxyimino]-tetrahydro-pyran-3-yl ester 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: 91.0%

(2R,3S,6S)-2-(acetoxymethyl)-6-(2,4-dimethoxyphenyl)-3,6-dihydro-2H-pyran-3,4-diyl diacetate (78465-55-1) → Acetic acid (2R,3R,6S)-2-acetoxymethyl-6-(2,4-dimethoxy-phenyl)-4-[(E)-hydroxyimino]-tetrahydro-pyran-3-yl ester (78465-59-5)

Guidance literature:

With hydroxylamine hydrochloride; In pyridine; at 20 ℃;

DOI:10.1016/0040-4039(81)80119-0

Reference yield:

3,4,6-triacetyl-D-galactal (2873-29-2,3685-88-9,4098-06-0,6586-65-8,52485-06-0,63640-41-5,86257-90-1,86257-91-2,87335-77-1,87335-78-2,130931-60-1) → Acetic acid (2R,3R,6S)-2-acetoxymethyl-6-(2,4-dimethoxy-phenyl)-4-[(E)-hydroxyimino]-tetrahydro-pyran-3-yl ester (78465-59-5)

Guidance literature:

Multi-step reaction with 2 steps

1: 42 percent / acetic acid / palladium acetate / 80 °C

2: 91 percent / hydroxylamine hydrochloride / pyridine / 20 °C

With hydroxylamine hydrochloride; acetic acid; palladium diacetate; In pyridine;

DOI:10.1016/0040-4039(81)80119-0

Reference yield:

1,3-Dimethoxybenzene (151-10-0) → Acetic acid (2R,3R,6S)-2-acetoxymethyl-6-(2,4-dimethoxy-phenyl)-4-[(E)-hydroxyimino]-tetrahydro-pyran-3-yl ester (78465-59-5)

Guidance literature:

Multi-step reaction with 2 steps

1: 42 percent / acetic acid / palladium acetate / 80 °C

2: 91 percent / hydroxylamine hydrochloride / pyridine / 20 °C

With hydroxylamine hydrochloride; acetic acid; palladium diacetate; In pyridine;

DOI:10.1016/0040-4039(81)80119-0

upstream raw materials:

(2R,3S,6S)-2-(acetoxymethyl)-6-(2,4-dimethoxyphenyl)-3,6-dihydro-2H-pyran-3,4-diyl diacetate

3,4,6-triacetyl-D-galactal

1,3-Dimethoxybenzene

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