methyl 2,3-di-O-benzyl-4-O-(3-O-benzyl-β-D-galactopyranosyl)-β-L-rhamnopyranoside

Base Information

Chemical Name:methyl 2,3-di-O-benzyl-4-O-(3-O-benzyl-β-D-galactopyranosyl)-β-L-rhamnopyranoside
CAS No.:127754-04-5
Molecular Formula:C₃₄H₄₂O₁₀
Molecular Weight:610.701
Hs Code.:

Synonyms:

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Chemical Property of methyl 2,3-di-O-benzyl-4-O-(3-O-benzyl-β-D-galactopyranosyl)-β-L-rhamnopyranoside

Chemical Property:

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Technology Process of methyl 2,3-di-O-benzyl-4-O-(3-O-benzyl-β-D-galactopyranosyl)-β-L-rhamnopyranoside

There total 15 articles about methyl 2,3-di-O-benzyl-4-O-(3-O-benzyl-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:

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

: 127754-04-5
methyl 2,3-di-O-benzyl-4-O-(3-O-benzyl-β-D-galactopyranosyl)-β-L-rhamnopyranoside

Guidance literature:: Multi-step reaction with 7 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

With hydrogenchloride; methanol; potassium hydroxide; trimethylsilyl trifluoromethanesulfonate; silver silicate; 4 A molecular sieve; potassium tert-butylate; sodium methylate; acetic acid; copper(ll) bromide; 3 A molecular sieve; tetrabutylammomium bromide; In dichloromethane; N,N-dimethyl-formamide;

Reference yield:

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

: 127754-04-5
methyl 2,3-di-O-benzyl-4-O-(3-O-benzyl-β-D-galactopyranosyl)-β-L-rhamnopyranoside

Guidance literature:: Multi-step reaction with 5 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

With hydrogenchloride; methanol; potassium hydroxide; trimethylsilyl trifluoromethanesulfonate; silver silicate; 4 A molecular sieve; potassium tert-butylate; sodium methylate; copper(ll) bromide; 3 A molecular sieve; tetrabutylammomium bromide; In dichloromethane; N,N-dimethyl-formamide;

Reference yield:

: 127753-96-2
ethyl 4-O-allyl-2,3-O-isopropylidene-1-thio-α-L-rhamnopyranoside

: 127754-04-5
methyl 2,3-di-O-benzyl-4-O-(3-O-benzyl-β-D-galactopyranosyl)-β-L-rhamnopyranoside

Guidance literature:: Multi-step reaction with 6 steps

1: 98 percent / 45 percent aqueuous acetic acid / 1.5 h / 70 °C

2: 97 percent / KOH / dimethylformamide / 0.25 h / 90 °C

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

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

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

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

With hydrogenchloride; methanol; potassium hydroxide; trimethylsilyl trifluoromethanesulfonate; silver silicate; 4 A molecular sieve; potassium tert-butylate; sodium methylate; acetic acid; copper(ll) bromide; 3 A molecular sieve; tetrabutylammomium bromide; In dichloromethane; N,N-dimethyl-formamide;