benzyl (allyl 2-O-acetyl-3-O-benzyl-4-O-trityl-β-D-galactopyranosid)uronate

Base Information

Chemical Name:benzyl (allyl 2-O-acetyl-3-O-benzyl-4-O-trityl-β-D-galactopyranosid)uronate
CAS No.:147228-78-2
Molecular Formula:C₃₈H₃₈O₈
Molecular Weight:622.715
Hs Code.:

Synonyms:benzyl (allyl 2-O-acetyl-3-O-benzyl-4-O-trityl-β-D-galactopyranosid)uronate

Suppliers and Price of benzyl (allyl 2-O-acetyl-3-O-benzyl-4-O-trityl-β-D-galactopyranosid)uronate

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

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Chemical Property of benzyl (allyl 2-O-acetyl-3-O-benzyl-4-O-trityl-β-D-galactopyranosid)uronate

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Technology Process of benzyl (allyl 2-O-acetyl-3-O-benzyl-4-O-trityl-β-D-galactopyranosid)uronate

There total 7 articles about benzyl (allyl 2-O-acetyl-3-O-benzyl-4-O-trityl-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: 80.0%

: triphenylmethyl perchlorate

: 147221-71-4
methyl (allyl 2-O-acetyl-3-O-benzyl-β-D-galactopyranosid)uronate

: 147228-78-2
benzyl (allyl 2-O-acetyl-3-O-benzyl-4-O-trityl-β-D-galactopyranosid)uronate

Guidance literature:: With 2,4,6-trimethyl-pyridine; dmap; In dichloromethane; for 5h; Ambient temperature;
DOI:10.1016/S0008-6215(92)84237-M

Reference yield:

: 2595-07-5,821794-45-0
allyl β-D-galactopyranoside

: 147228-78-2
benzyl (allyl 2-O-acetyl-3-O-benzyl-4-O-trityl-β-D-galactopyranosid)uronate

Guidance literature:: Multi-step reaction with 7 steps

1: 58 percent / TsOH / 20 h / Ambient temperature

2: pyridine / 3 h / Ambient temperature

3: CrO₃, 3.5 M H₂SO₄ / acetone; CH₂Cl₂ / a) 0 deg C, 30 min, b) room temperature, 1.5 h

4: Bu₄NBr / CH₂Cl₂ / 20 h / Ambient temperature

5: 90 percent / 90percent aq. CF₃CO₂H / aq. acetic acid / 0.67 h / Ambient temperature

6: 1) dibutyltin oxide, 4A molecular sieves, 2) tetrabutylammonium iodide / 1) PhMe, reflux, 2 h, 2) a) 50-60 deg C, 3 h, b) 90 deg C, 1 h

7: 80 percent / 2,4,6-collidine, N,N-dimethyl-4-aminopyridine / CH₂Cl₂ / 5 h / Ambient temperature

With pyridine; 2,4,6-trimethyl-pyridine; chromium(VI) oxide; dmap; 4 A molecular sieve; sulfuric acid; tetrabutylammomium bromide; tetra-(n-butyl)ammonium iodide; di(n-butyl)tin oxide; toluene-4-sulfonic acid; trifluoroacetic acid; In dichloromethane; acetic acid; acetone;
DOI:10.1016/S0008-6215(92)84237-M

Reference yield:

: 130506-43-3
methyl (allyl 2-O-acetyl-3,4-O-isopropylidene-β-D-galactopyranosid)uronate

: 147228-78-2
benzyl (allyl 2-O-acetyl-3-O-benzyl-4-O-trityl-β-D-galactopyranosid)uronate

Guidance literature:: Multi-step reaction with 3 steps

1: 90 percent / 90percent aq. CF₃CO₂H / aq. acetic acid / 0.67 h / Ambient temperature

2: 1) dibutyltin oxide, 4A molecular sieves, 2) tetrabutylammonium iodide / 1) PhMe, reflux, 2 h, 2) a) 50-60 deg C, 3 h, b) 90 deg C, 1 h

3: 80 percent / 2,4,6-collidine, N,N-dimethyl-4-aminopyridine / CH₂Cl₂ / 5 h / Ambient temperature

With 2,4,6-trimethyl-pyridine; dmap; 4 A molecular sieve; tetra-(n-butyl)ammonium iodide; di(n-butyl)tin oxide; trifluoroacetic acid; In dichloromethane; acetic acid;
DOI:10.1016/S0008-6215(92)84237-M