2-(4:6-p-methoxybenzylidene-2:3-carbonylmethylene-β-D-galactopyranosyl)acetaldehyde

Base Information

Chemical Name:2-(4:6-p-methoxybenzylidene-2:3-carbonylmethylene-β-D-galactopyranosyl)acetaldehyde
CAS No.:163732-18-1
Molecular Formula:C₁₈H₂₀O₈
Molecular Weight:364.352
Hs Code.:

Synonyms:2-(4:6-p-methoxybenzylidene-2:3-carbonylmethylene-β-D-galactopyranosyl)acetaldehyde

Suppliers and Price of 2-(4:6-p-methoxybenzylidene-2:3-carbonylmethylene-β-D-galactopyranosyl)acetaldehyde

Supply Marketing:

Business phase:: The product has achieved commercial mass production^*data from LookChem market partment

Manufacturers and distributors:

Manufacture/Brand
Chemicals and raw materials
Packaging
price

Total 0 raw suppliers

Chemical Property of 2-(4:6-p-methoxybenzylidene-2:3-carbonylmethylene-β-D-galactopyranosyl)acetaldehyde

Chemical Property:

Purity/Quality:

Safty Information:

Pictogram(s):
Hazard Codes:

MSDS Files:

Useful:

Technology Process of 2-(4:6-p-methoxybenzylidene-2:3-carbonylmethylene-β-D-galactopyranosyl)acetaldehyde

There total 4 articles about 2-(4:6-p-methoxybenzylidene-2:3-carbonylmethylene-β-D-galactopyranosyl)acetaldehyde 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:

: 3068-32-4
1-bromo-1-deoxy-2,3,4,6-tetra-O-acetyl-a-D-galactopyranoside

: 163732-18-1
2-(4:6-p-methoxybenzylidene-2:3-carbonylmethylene-β-D-galactopyranosyl)acetaldehyde

Guidance literature:: Multi-step reaction with 5 steps

1: 2.) Ac₂O, pyridine, DMAP / 1.) THF, from -78 deg C to 23 deg C, 0.5 h, 2.) overnight

2: 91 percent / Amberlite IR 400 (OH-) resin, MeOH / 23 °C

3: 65 percent / toluene-p-sulphonic acid monohydrate / dimethylformamide / 50 °C

4: 1.) Bu₂SnO, 2.) Bu₄NI / 1.) toluene, reflux, 16 h, 2.) toluene, reflux, 3 h

5: 1.) O₃, 2.) PPh₃ / 1.) CH₂Cl₂, -78 deg C, 2.) CH₂Cl₂, from -78 deg C to 23 deg C

With pyridine; methanol; dmap; Amberlite IR 400 (OH-) resin; acetic anhydride; tetra-(n-butyl)ammonium iodide; di(n-butyl)tin oxide; toluene-4-sulfonic acid; ozone; triphenylphosphine; In N,N-dimethyl-formamide;
DOI:10.1016/0968-0896(96)00127-7

Reference yield:

: 181629-39-0
3-(4:6-p-methoxybenzylidene-2:3-carbonylmethylene-β-D-galactopyranosyl)-1-propene

: 163732-18-1
2-(4:6-p-methoxybenzylidene-2:3-carbonylmethylene-β-D-galactopyranosyl)acetaldehyde

Guidance literature:: With ozone; triphenylphosphine; Yield given. Multistep reaction; 1.) CH₂Cl₂, -78 deg C;
DOI:10.1021/ja00124a037

Reference yield:

: 163732-17-0
3-(4:6-p-methoxybenzylidene-β-D-galactopyranosyl)-1-propene

: 163732-18-1
2-(4:6-p-methoxybenzylidene-2:3-carbonylmethylene-β-D-galactopyranosyl)acetaldehyde

Guidance literature:: Multi-step reaction with 2 steps

1: 1.) Bu₂SnO, 2.) Bu₄NI / 1.) toluene, reflux, 16 h, 2.) toluene, reflux, 3 h

2: 1.) O₃, 2.) PPh₃ / 1.) CH₂Cl₂, -78 deg C, 2.) CH₂Cl₂, from -78 deg C to 23 deg C

With tetra-(n-butyl)ammonium iodide; di(n-butyl)tin oxide; ozone; triphenylphosphine;
DOI:10.1016/0968-0896(96)00127-7