4-E-[(2-carboxy)ethenyl]-2-methoxyphenyl 2,3,4,6-tetra-O-acetyl-β-D-galactopyranoside

Base Information

Chemical Name:4-E-[(2-carboxy)ethenyl]-2-methoxyphenyl 2,3,4,6-tetra-O-acetyl-β-D-galactopyranoside
CAS No.:181230-91-1
Molecular Formula:C₂₄H₂₈O₁₃
Molecular Weight:524.479
Hs Code.:

Synonyms:4-E-[(2-carboxy)ethenyl]-2-methoxyphenyl 2,3,4,6-tetra-O-acetyl-β-D-galactopyranoside

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Chemical Property of 4-E-[(2-carboxy)ethenyl]-2-methoxyphenyl 2,3,4,6-tetra-O-acetyl-β-D-galactopyranoside

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Technology Process of 4-E-[(2-carboxy)ethenyl]-2-methoxyphenyl 2,3,4,6-tetra-O-acetyl-β-D-galactopyranoside

There total 3 articles about 4-E-[(2-carboxy)ethenyl]-2-methoxyphenyl 2,3,4,6-tetra-O-acetyl-β-D-galactopyranoside 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: 96.0%

: 141-82-2
malonic acid

: 23598-07-4,51482-43-0,70631-04-8,70631-03-7
4-formyl-2-methoxyphenyl 2,3,4,6-tetra-O-acetyl-β?D?galactopyranoside

: 181230-91-1
4-E-[(2-carboxy)ethenyl]-2-methoxyphenyl 2,3,4,6-tetra-O-acetyl-β-D-galactopyranoside

Guidance literature:: With piperidine; In pyridine; at 95 ℃; for 3h;

Reference yield:

: 25878-60-8
D-galactose pentaacetate

: 181230-91-1
4-E-[(2-carboxy)ethenyl]-2-methoxyphenyl 2,3,4,6-tetra-O-acetyl-β-D-galactopyranoside

Guidance literature:: Multi-step reaction with 3 steps

1.1: hydrogen bromide / dichloromethane; water; acetic anhydride / 0 - 25 °C

2.1: lithium hydroxide / water / 0.17 h / 20 °C

2.2: 2 h / 20 °C

3.1: piperidine / pyridine / 3 h / 95 °C

With piperidine; hydrogen bromide; lithium hydroxide; In pyridine; dichloromethane; water; acetic anhydride; 3.1: Doebner reaction;

Reference yield:

: 121-33-5,8014-42-4
vanillin

: 181230-91-1
4-E-[(2-carboxy)ethenyl]-2-methoxyphenyl 2,3,4,6-tetra-O-acetyl-β-D-galactopyranoside

Guidance literature:: Multi-step reaction with 2 steps

1.1: lithium hydroxide / water / 0.17 h / 20 °C

1.2: 2 h / 20 °C

2.1: piperidine / pyridine / 3 h / 95 °C

With piperidine; lithium hydroxide; In pyridine; water; 2.1: Doebner reaction;