Acetic acid (2S,3R,4S,5R,6R)-4,5-diacetoxy-6-acetoxymethyl-2-{4-[3-methyl-5-oxo-1,5-dihydro-pyrazol-(4Z)-ylidenemethyl]-2-nitro-phenoxy}-tetrahydro-pyran-3-yl ester

Base Information

• Chemical Name: Acetic acid (2S,3R,4S,5R,6R)-4,5-diacetoxy-6-acetoxymethyl-2-{4-[3-methyl-5-oxo-1,5-dihydro-pyrazol-(4Z)-ylidenemethyl]-2-nitro-phenoxy}-tetrahydro-pyran-3-yl ester
• CAS No.: 121358-52-9
• Molecular Formula: C₂₅H₂₇N₃O₁₃
• Molecular Weight: 577.502

Synonyms:

Chemical Property of Acetic acid (2S,3R,4S,5R,6R)-4,5-diacetoxy-6-acetoxymethyl-2-{4-[3-methyl-5-oxo-1,5-dihydro-pyrazol-(4Z)-ylidenemethyl]-2-nitro-phenoxy}-tetrahydro-pyran-3-yl ester

Chemical Property:

Purity/Quality:

Safty Information:

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MSDS Files:

Useful:

Technology Process of Acetic acid (2S,3R,4S,5R,6R)-4,5-diacetoxy-6-acetoxymethyl-2-{4-[3-methyl-5-oxo-1,5-dihydro-pyrazol-(4Z)-ylidenemethyl]-2-nitro-phenoxy}-tetrahydro-pyran-3-yl ester

There total 3 articles about Acetic acid (2S,3R,4S,5R,6R)-4,5-diacetoxy-6-acetoxymethyl-2-{4-[3-methyl-5-oxo-1,5-dihydro-pyrazol-(4Z)-ylidenemethyl]-2-nitro-phenoxy}-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: 32.0%

acetic acid 4,5-diacetoxy-6-acetoxymethyl-2-(4-formyl-2-nitro-phenoxy)-tetrahydro-pyran-3-yl ester (121358-46-1) + 3-methyl-2-pyrazoline-5-one (108-26-9) → Acetic acid (2S,3R,4S,5R,6R)-4,5-diacetoxy-6-acetoxymethyl-2-{4-[3-methyl-5-oxo-1,5-dihydro-pyrazol-(4Z)-ylidenemethyl]-2-nitro-phenoxy}-tetrahydro-pyran-3-yl ester (121358-52-9)

Guidance literature:

With piperidine; In ethanol; for 4h; Heating;

Reference yield:

4-hydroxy-3-nitrobenzaldehyde (3011-34-5) → Acetic acid (2S,3R,4S,5R,6R)-4,5-diacetoxy-6-acetoxymethyl-2-{4-[3-methyl-5-oxo-1,5-dihydro-pyrazol-(4Z)-ylidenemethyl]-2-nitro-phenoxy}-tetrahydro-pyran-3-yl ester (121358-52-9)

Guidance literature:

Multi-step reaction with 2 steps

1: 35 percent / 5percent aq.NaOH, tetrabutylammonium bromide / CHCl₃ / 3 h / Heating

2: 32 percent / piperidine / ethanol / 4 h / Heating

With piperidine; sodium hydroxide; tetrabutylammomium bromide; In ethanol; chloroform;

Reference yield:

2,3,4,6-tetra-O-acetyl-α-D-glucopyranosyl bromide (572-09-8) → Acetic acid (2S,3R,4S,5R,6R)-4,5-diacetoxy-6-acetoxymethyl-2-{4-[3-methyl-5-oxo-1,5-dihydro-pyrazol-(4Z)-ylidenemethyl]-2-nitro-phenoxy}-tetrahydro-pyran-3-yl ester (121358-52-9)

Guidance literature:

Multi-step reaction with 2 steps

1: 35 percent / 5percent aq.NaOH, tetrabutylammonium bromide / CHCl₃ / 3 h / Heating

2: 32 percent / piperidine / ethanol / 4 h / Heating

With piperidine; sodium hydroxide; tetrabutylammomium bromide; In ethanol; chloroform;

upstream raw materials:

acetic acid 4,5-diacetoxy-6-acetoxymethyl-2-(4-formyl-2-nitro-phenoxy)-tetrahydro-pyran-3-yl ester

3-methyl-2-pyrazoline-5-one

4-hydroxy-3-nitrobenzaldehyde

2,3,4,6-tetra-O-acetyl-α-D-glucopyranosyl bromide

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