methyl 2,3-di-O-benzyl-4-O-<3-O-benzyl-4,6-O-benzylidene-2-O-(2,3,4-tri-O-benzyl-α-L-rhamnopyranosyl)-β-D-galactopyranosyl>-β-L-rhamnopyranoside

Base Information

Chemical Name:methyl 2,3-di-O-benzyl-4-O-<3-O-benzyl-4,6-O-benzylidene-2-O-(2,3,4-tri-O-benzyl-α-L-rhamnopyranosyl)-β-D-galactopyranosyl>-β-L-rhamnopyranoside
CAS No.:127754-08-9
Molecular Formula:C₆₈H₇₄O₁₄
Molecular Weight:1115.33
Hs Code.:

Synonyms:methyl 2,3-di-O-benzyl-4-O-<3-O-benzyl-4,6-O-benzylidene-2-O-(2,3,4-tri-O-benzyl-α-L-rhamnopyranosyl)-β-D-galactopyranosyl>-β-L-rhamnopyranoside

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Chemical Property of methyl 2,3-di-O-benzyl-4-O-<3-O-benzyl-4,6-O-benzylidene-2-O-(2,3,4-tri-O-benzyl-α-L-rhamnopyranosyl)-β-D-galactopyranosyl>-β-L-rhamnopyranoside

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Technology Process of methyl 2,3-di-O-benzyl-4-O-<3-O-benzyl-4,6-O-benzylidene-2-O-(2,3,4-tri-O-benzyl-α-L-rhamnopyranosyl)-β-D-galactopyranosyl>-β-L-rhamnopyranoside

There total 20 articles about methyl 2,3-di-O-benzyl-4-O-<3-O-benzyl-4,6-O-benzylidene-2-O-(2,3,4-tri-O-benzyl-α-L-rhamnopyranosyl)-β-D-galactopyranosyl>-β-L-rhamnopyranoside 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%

: 100-39-0
benzyl bromide

: 127754-07-8
methyl 2,3-di-O-benzyl-4-O-(3-O-benzyl-4,6-O-benzylidene-2-O-α-L-rhamnopyranosyl-β-D-galactopyranosyl)-β-L-rhamnopyranoside

: 127754-08-9
methyl 2,3-di-O-benzyl-4-O-<3-O-benzyl-4,6-O-benzylidene-2-O-(2,3,4-tri-O-benzyl-α-L-rhamnopyranosyl)-β-D-galactopyranosyl>-β-L-rhamnopyranoside

Guidance literature:: With sodium hydride; In N,N-dimethyl-formamide; for 2h;

Reference yield:

: 127753-95-1
ethyl 2,3-O-isopropylidene-1-thio-α-L-rhamnopyranoside

: 127754-08-9
methyl 2,3-di-O-benzyl-4-O-<3-O-benzyl-4,6-O-benzylidene-2-O-(2,3,4-tri-O-benzyl-α-L-rhamnopyranosyl)-β-D-galactopyranosyl>-β-L-rhamnopyranoside

Guidance literature:: Multi-step reaction with 11 steps

1: 98 percent / KOH / dimethylformamide

2: 98 percent / 45 percent aqueuous acetic acid / 1.5 h / 70 °C

3: 97 percent / KOH / dimethylformamide / 0.25 h / 90 °C

4: 45 percent / cupric bromide; silver silicate / tetrabutylammonium bromide; molecular sieve (3 Angstroem) / CH₂Cl₂ / 3 h

5: 1.) potassium tert-butoxide; 2.) 1 M HCl / 1.) 90 deg C; 15 min; DMF; 2.) heating; 1.5 h; acetone

6: 1.) molecular sieves (4 Angstroem); 2.) trimethylsilyl triflate / 1.) CH₂Cl₂; 1 h; rt; 2.) 10 min; -30 deg C

7: methanol; sodium methoxide / pH = 10; overnight

8: 79 percent / p-toluenesulfonic acid monohydrate / acetonitrile / 0.5 h / Ambient temperature

9: 79 percent / mercuric bromide; mercuric cyanide; molecular sieves (4 Angstroem) / CH₂Cl₂ / 136.8 h

10: 99 percent / methanol; sodium kethoxide / CH₂Cl₂ / overnight; pH = 10

11: 97 percent / sodium hydride / dimethylformamide / 2 h

With hydrogenchloride; methanol; potassium hydroxide; trimethylsilyl trifluoromethanesulfonate; silver silicate; 4 A molecular sieve; sodium kethoxide; potassium tert-butylate; sodium methylate; mercury(II) cyanide; sodium hydride; toluene-4-sulfonic acid; acetic acid; mercury dibromide; copper(ll) bromide; 3 A molecular sieve; tetrabutylammomium bromide; In dichloromethane; N,N-dimethyl-formamide; acetonitrile;

Reference yield:

: 127753-97-3
ethyl 4-O-allyl-1-thio-α-L-rhamnopyranoside

: 127754-08-9
methyl 2,3-di-O-benzyl-4-O-<3-O-benzyl-4,6-O-benzylidene-2-O-(2,3,4-tri-O-benzyl-α-L-rhamnopyranosyl)-β-D-galactopyranosyl>-β-L-rhamnopyranoside

Guidance literature:: Multi-step reaction with 9 steps

1: 97 percent / KOH / dimethylformamide / 0.25 h / 90 °C

2: 45 percent / cupric bromide; silver silicate / tetrabutylammonium bromide; molecular sieve (3 Angstroem) / CH₂Cl₂ / 3 h

3: 1.) potassium tert-butoxide; 2.) 1 M HCl / 1.) 90 deg C; 15 min; DMF; 2.) heating; 1.5 h; acetone

4: 1.) molecular sieves (4 Angstroem); 2.) trimethylsilyl triflate / 1.) CH₂Cl₂; 1 h; rt; 2.) 10 min; -30 deg C

5: methanol; sodium methoxide / pH = 10; overnight

6: 79 percent / p-toluenesulfonic acid monohydrate / acetonitrile / 0.5 h / Ambient temperature

7: 79 percent / mercuric bromide; mercuric cyanide; molecular sieves (4 Angstroem) / CH₂Cl₂ / 136.8 h

8: 99 percent / methanol; sodium kethoxide / CH₂Cl₂ / overnight; pH = 10

9: 97 percent / sodium hydride / dimethylformamide / 2 h

With hydrogenchloride; methanol; potassium hydroxide; trimethylsilyl trifluoromethanesulfonate; silver silicate; 4 A molecular sieve; sodium kethoxide; potassium tert-butylate; sodium methylate; mercury(II) cyanide; sodium hydride; toluene-4-sulfonic acid; mercury dibromide; copper(ll) bromide; 3 A molecular sieve; tetrabutylammomium bromide; In dichloromethane; N,N-dimethyl-formamide; acetonitrile;