methyl (benzyl 2-O-acetyl-3,4-O-isopropylidene-β-D-galactopyranosid)uronate

Base Information

Chemical Name:methyl (benzyl 2-O-acetyl-3,4-O-isopropylidene-β-D-galactopyranosid)uronate
CAS No.:130506-38-6
Molecular Formula:C₁₉H₂₄O₈
Molecular Weight:380.395
Hs Code.:

Synonyms:methyl (benzyl 2-O-acetyl-3,4-O-isopropylidene-β-D-galactopyranosid)uronate

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Chemical Property of methyl (benzyl 2-O-acetyl-3,4-O-isopropylidene-β-D-galactopyranosid)uronate

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Technology Process of methyl (benzyl 2-O-acetyl-3,4-O-isopropylidene-β-D-galactopyranosid)uronate

There total 11 articles about methyl (benzyl 2-O-acetyl-3,4-O-isopropylidene-β-D-galactopyranosid)uronate 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: 97.0%

: 71200-16-3
methyl (benzyl 3,4-O-isopropylidene-β-D-galactopyranosid)uronate

: 108-24-7
acetic anhydride

: 130506-38-6
methyl (benzyl 2-O-acetyl-3,4-O-isopropylidene-β-D-galactopyranosid)uronate

Guidance literature:: With pyridine; at 0 ℃; for 24h;
DOI:10.1016/0008-6215(90)84026-Q

Reference yield:

: 10343-13-2,30657-70-6,31281-76-2,53729-76-3,142696-63-7,83113-54-6
benzyl 2,3,4,6-tetra-O-acetyl-β-D-galactopyranoside

: 130506-38-6
methyl (benzyl 2-O-acetyl-3,4-O-isopropylidene-β-D-galactopyranosid)uronate

Guidance literature:: Multi-step reaction with 6 steps

1: MgO / CHCl₃; methanol / 48 h / Ambient temperature

2: 1) 4-dimethylaminopyridine, 2) pyridine y / 1) pyridine, 20 h, r.t., 2) 20 h, r.t.

3: 1) CrO₃, 3.5M H₂SO₄, 2) Bu₄NBr / 1) CH₂Cl₂, acetone, 1.5 h, 2) CH₂Cl₂-water, 20 h, r.t.

4: 93 percent / AcCl, MeOH / Ambient temperature

5: 96 percent / TsOH / acetone / 24 h / Ambient temperature

6: 97 percent / pyridine / 24 h / 0 °C

With pyridine; chromium(VI) oxide; methanol; dmap; sulfuric acid; tetrabutylammomium bromide; magnesium oxide; toluene-4-sulfonic acid; acetyl chloride; In methanol; chloroform; acetone;
DOI:10.1016/0008-6215(90)84026-Q

Reference yield:

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

: 130506-38-6
methyl (benzyl 2-O-acetyl-3,4-O-isopropylidene-β-D-galactopyranosid)uronate

Guidance literature:: Multi-step reaction with 7 steps

1: 89 percent / Drierite, Hg(CN)2, HgBr₂ / acetonitrile / 24 h / Ambient temperature

2: MgO / CHCl₃; methanol / 48 h / Ambient temperature

3: 1) 4-dimethylaminopyridine, 2) pyridine y / 1) pyridine, 20 h, r.t., 2) 20 h, r.t.

4: 1) CrO₃, 3.5M H₂SO₄, 2) Bu₄NBr / 1) CH₂Cl₂, acetone, 1.5 h, 2) CH₂Cl₂-water, 20 h, r.t.

5: 93 percent / AcCl, MeOH / Ambient temperature

6: 96 percent / TsOH / acetone / 24 h / Ambient temperature

7: 97 percent / pyridine / 24 h / 0 °C

With pyridine; chromium(VI) oxide; methanol; dmap; calcium sulfate; sulfuric acid; tetrabutylammomium bromide; mercury(II) cyanide; magnesium oxide; toluene-4-sulfonic acid; acetyl chloride; mercury dibromide; In methanol; chloroform; acetone; acetonitrile;
DOI:10.1016/0008-6215(90)84026-Q