methyl 3,4-di-O-benzyl-6-O-(3,4-di-O-benzyl-β-D-galactopyranosyl)-β-D-galactopyranoside

Base Information

Chemical Name:methyl 3,4-di-O-benzyl-6-O-(3,4-di-O-benzyl-β-D-galactopyranosyl)-β-D-galactopyranoside
CAS No.:77735-07-0
Molecular Formula:C₄₁H₄₈O₁₁
Molecular Weight:716.826
Hs Code.:

Synonyms:methyl 3,4-di-O-benzyl-6-O-(3,4-di-O-benzyl-β-D-galactopyranosyl)-β-D-galactopyranoside

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Chemical Property of methyl 3,4-di-O-benzyl-6-O-(3,4-di-O-benzyl-β-D-galactopyranosyl)-β-D-galactopyranoside

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Technology Process of methyl 3,4-di-O-benzyl-6-O-(3,4-di-O-benzyl-β-D-galactopyranosyl)-β-D-galactopyranoside

There total 12 articles about methyl 3,4-di-O-benzyl-6-O-(3,4-di-O-benzyl-β-D-galactopyranosyl)-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: 97.0%

: 77735-06-9
methyl 2-O-benzoyl-6-O-(2-O-benzoyl-3,4-di-O-benzyl-β-D-galactopyranosyl)-3,4-di-O-benzyl-β-D-galactopyranoside

: 77735-07-0
methyl 3,4-di-O-benzyl-6-O-(3,4-di-O-benzyl-β-D-galactopyranosyl)-β-D-galactopyranoside

Guidance literature:: With sodium methylate; In methanol; for 48h; Ambient temperature;
DOI:10.1016/S0008-6215(00)85899-1

Reference yield:

: 66963-43-7
1,6-anhydro-3,4-di-O-benzyl-β-D-galactopyranose

: 77735-07-0
methyl 3,4-di-O-benzyl-6-O-(3,4-di-O-benzyl-β-D-galactopyranosyl)-β-D-galactopyranoside

Guidance literature:: Multi-step reaction with 9 steps

1: 85 percent / triethylamine / 1 h / Ambient temperature

2: 97 percent / concd. H₂SO₄ / acetic acid / 8 h / 10 °C

3: 76 percent / HCl / diethyl ether / 48 h / Ambient temperature

4: methanol

5: 81.3 percent / acetonitrile / 17 h / Ambient temperature

6: 99 percent / ammonium hydroxide (32percent) / methanol / 8 h / Ambient temperature

7: 1.) silver p-toluenesulfonate / 1.) methanol; 2.) room temp., 17 h, acetonitrile

8: 84 percent / ammonium hydroxide (32percent) / methanol / Ambient temperature

9: 97 percent / sodium methoxide (0.2M) / methanol / 48 h / Ambient temperature

With hydrogenchloride; ammonium hydroxide; sulfuric acid; sodium methylate; silver(I) 4-methylbenzenesulfonate; In methanol; diethyl ether; acetic acid; triethylamine; acetonitrile;
DOI:10.1016/S0008-6215(00)85899-1

Reference yield:

: 100-44-7
benzyl chloride

: 77735-07-0
methyl 3,4-di-O-benzyl-6-O-(3,4-di-O-benzyl-β-D-galactopyranosyl)-β-D-galactopyranoside

Guidance literature:: Multi-step reaction with 12 steps

1: 1.) sodium hydride / 1.) THF; 2.) reflux, 36 h

2: 93 percent / potassium tert-butoxide / toluene / 17 h / Heating

3: 56 percent / HCl (5percent) / dioxane / Heating

4: 85 percent / triethylamine / 1 h / Ambient temperature

5: 97 percent / concd. H₂SO₄ / acetic acid / 8 h / 10 °C

6: 76 percent / HCl / diethyl ether / 48 h / Ambient temperature

7: methanol

8: 81.3 percent / acetonitrile / 17 h / Ambient temperature

9: 99 percent / ammonium hydroxide (32percent) / methanol / 8 h / Ambient temperature

10: 1.) silver p-toluenesulfonate / 1.) methanol; 2.) room temp., 17 h, acetonitrile

11: 84 percent / ammonium hydroxide (32percent) / methanol / Ambient temperature

12: 97 percent / sodium methoxide (0.2M) / methanol / 48 h / Ambient temperature

With hydrogenchloride; ammonium hydroxide; sulfuric acid; potassium tert-butylate; sodium methylate; silver(I) 4-methylbenzenesulfonate; sodium hydride; In 1,4-dioxane; methanol; diethyl ether; acetic acid; triethylamine; toluene; acetonitrile;
DOI:10.1016/S0008-6215(00)85899-1