4,6-O-p-methoxybenzylidene-β-D-galactopyranosyl-(1<*>1)-(2S,3R,4E)-2-dichloroacetamido-4-octadecen-1,3-diol

Base Information

Chemical Name:4,6-O-p-methoxybenzylidene-β-D-galactopyranosyl-(1<*>1)-(2S,3R,4E)-2-dichloroacetamido-4-octadecen-1,3-diol
CAS No.:173067-83-9
Molecular Formula:C₃₄H₅₃Cl₂NO₉
Molecular Weight:690.702
Hs Code.:

Synonyms:4,6-O-p-methoxybenzylidene-β-D-galactopyranosyl-(1<*>1)-(2S,3R,4E)-2-dichloroacetamido-4-octadecen-1,3-diol

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Chemical Property of 4,6-O-p-methoxybenzylidene-β-D-galactopyranosyl-(1<*>1)-(2S,3R,4E)-2-dichloroacetamido-4-octadecen-1,3-diol

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Technology Process of 4,6-O-p-methoxybenzylidene-β-D-galactopyranosyl-(1<*>1)-(2S,3R,4E)-2-dichloroacetamido-4-octadecen-1,3-diol

There total 2 articles about 4,6-O-p-methoxybenzylidene-β-D-galactopyranosyl-(1<*>1)-(2S,3R,4E)-2-dichloroacetamido-4-octadecen-1,3-diol 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: 47.5%

: 2186-92-7
p-Anisaldehyde dimethyl acetal

: 131063-40-6
β-D-galactopyranosyl-(1<*>1)-(2S,3R,4E)-2-dichloroacetamido-4-octadecen-1,3-diol

: 173067-83-9
4,6-O-p-methoxybenzylidene-β-D-galactopyranosyl-(1<*>1)-(2S,3R,4E)-2-dichloroacetamido-4-octadecen-1,3-diol

Guidance literature:: With toluene-4-sulfonic acid; In N,N-dimethyl-formamide; at 50 ℃; for 48h;
DOI:10.1016/0008-6215(95)00189-Z

Reference yield:

: 2238-90-6,52050-17-6,56453-02-2,95119-84-9,95975-32-9,106565-70-2
psychosine

: 173067-83-9
4,6-O-p-methoxybenzylidene-β-D-galactopyranosyl-(1<*>1)-(2S,3R,4E)-2-dichloroacetamido-4-octadecen-1,3-diol

Guidance literature:: Multi-step reaction with 2 steps

1: 88 percent / N,N-diisopropylethylamine, aliquots / methanol; CH₂Cl₂

2: 47.5 percent / p-toluenesulfonic acid monohydrate / dimethylformamide / 48 h / 50 °C

With aliquots; toluene-4-sulfonic acid; N-ethyl-N,N-diisopropylamine; In methanol; dichloromethane; N,N-dimethyl-formamide;
DOI:10.1016/0008-6215(95)00189-Z

Reference yield:

: 173067-83-9
4,6-O-p-methoxybenzylidene-β-D-galactopyranosyl-(1<*>1)-(2S,3R,4E)-2-dichloroacetamido-4-octadecen-1,3-diol

: 173067-86-2
2,3,6-tri-O-benzoyl-β-D-galactopyranosyl-(1<*>1)-(2S,3R,4E)-3-O-benzoyl-2-dichloroacetamido-4-octadecen-1,3-diol

Guidance literature:: Multi-step reaction with 3 steps

1: pyridine / 4 h / -10 °C

2: p-toluenesulfonic acid monohydrate, methanol / CHCl₃; methanol / 4 h / Ambient temperature

3: 64 percent / pyridine / 2 h / -30 °C

With pyridine; methanol; toluene-4-sulfonic acid; In methanol; chloroform;
DOI:10.1016/0008-6215(95)00189-Z