Methyl 2,3-di-O-methyl-4-O-<4-O-benzyl-3-O-methyl-2-O-(2-O-acetyl-4-O-benzyl-3-O-methyl-α-L-rhamnopyranosyl)-α-L-rhamnopyranosyl>-α-L-rhamnopyranoside

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Chemical Name:Methyl 2,3-di-O-methyl-4-O-<4-O-benzyl-3-O-methyl-2-O-(2-O-acetyl-4-O-benzyl-3-O-methyl-α-L-rhamnopyranosyl)-α-L-rhamnopyranosyl>-α-L-rhamnopyranoside
CAS No.:150966-53-3
Molecular Formula:C₃₉H₅₆O₁₄
Molecular Weight:748.865
Hs Code.:

Methyl 2,3-di-O-methyl-4-O-<4-O-benzyl-3-O-methyl-2-O-(2-O-acetyl-4-O-benzyl-3-O-methyl-α-L-rhamnopyranosyl)-α-L-rhamnopyranosyl>-α-L-rhamnopyranoside

Synonyms:Methyl 2,3-di-O-methyl-4-O-<4-O-benzyl-3-O-methyl-2-O-(2-O-acetyl-4-O-benzyl-3-O-methyl-α-L-rhamnopyranosyl)-α-L-rhamnopyranosyl>-α-L-rhamnopyranoside

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Chemical Property of Methyl 2,3-di-O-methyl-4-O-<4-O-benzyl-3-O-methyl-2-O-(2-O-acetyl-4-O-benzyl-3-O-methyl-α-L-rhamnopyranosyl)-α-L-rhamnopyranosyl>-α-L-rhamnopyranoside

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Technology Process of Methyl 2,3-di-O-methyl-4-O-<4-O-benzyl-3-O-methyl-2-O-(2-O-acetyl-4-O-benzyl-3-O-methyl-α-L-rhamnopyranosyl)-α-L-rhamnopyranosyl>-α-L-rhamnopyranoside

There total 7 articles about Methyl 2,3-di-O-methyl-4-O-<4-O-benzyl-3-O-methyl-2-O-(2-O-acetyl-4-O-benzyl-3-O-methyl-α-L-rhamnopyranosyl)-α-L-rhamnopyranosyl>-α-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: 70.0%

: 150966-52-2
Methyl 2,3-di-O-methyl-4-O-(4-O-benzyl-3-O-methyl-α-L-rhamnopyranosyl)-α-L-rhamnopyranoside

: 150730-92-0
Acetic acid (2S,3R,4R,5S,6S)-5-benzyloxy-4-methoxy-6-methyl-2-(2,2,2-trichloro-acetimidoyloxy)-tetrahydro-pyran-3-yl ester

: 150966-53-3
Methyl 2,3-di-O-methyl-4-O-<4-O-benzyl-3-O-methyl-2-O-(2-O-acetyl-4-O-benzyl-3-O-methyl-α-L-rhamnopyranosyl)-α-L-rhamnopyranosyl>-α-L-rhamnopyranoside

Guidance literature:: With 4 A molecular sieve; boron trifluoride diethyl etherate; In dichloromethane; at 0 ℃; for 0.5h;

Reference yield:

: 69558-13-0
methyl 4-O-benzyl-3-O-methyl-α-L-rhamnopyranoside

: 150966-53-3
Methyl 2,3-di-O-methyl-4-O-<4-O-benzyl-3-O-methyl-2-O-(2-O-acetyl-4-O-benzyl-3-O-methyl-α-L-rhamnopyranosyl)-α-L-rhamnopyranosyl>-α-L-rhamnopyranoside

Guidance literature:: Multi-step reaction with 5 steps

1: 1.5M H₂SO₄ / dioxane / 3 h / 100 °C

2: pyridine, 4-dimethylaminopyridine / 24 h

3: 1.95 g / tributyltin ethoxide / 1,2-dichloro-ethane / 3 h / Heating

4: 93 percent / 1,8-diazabicyclo<5.4.0>undec-7-ene / CH₂Cl₂ / 0.5 h / Ambient temperature

5: 70 percent / BF₃*Et₂O, 4A molecular sieves / CH₂Cl₂ / 0.5 h / 0 °C

With pyridine; dmap; 4 A molecular sieve; sulfuric acid; boron trifluoride diethyl etherate; tributyltin ethoxide; 1,8-diazabicyclo[5.4.0]undec-7-ene; In 1,4-dioxane; dichloromethane; 1,2-dichloro-ethane;

Reference yield:

: 25019-69-6
methyl 4-O-benzyl-α-L-rhamnopyranoside

: 150966-53-3
Methyl 2,3-di-O-methyl-4-O-<4-O-benzyl-3-O-methyl-2-O-(2-O-acetyl-4-O-benzyl-3-O-methyl-α-L-rhamnopyranosyl)-α-L-rhamnopyranosyl>-α-L-rhamnopyranoside

Guidance literature:: Multi-step reaction with 6 steps

1: 1) dibutyltin oxide, 2) Bu₄NI / 1) benzene, 5 h, reflux, 2) 5 h, reflux

2: 1.5M H₂SO₄ / dioxane / 3 h / 100 °C

3: pyridine, 4-dimethylaminopyridine / 24 h

4: 1.95 g / tributyltin ethoxide / 1,2-dichloro-ethane / 3 h / Heating

5: 93 percent / 1,8-diazabicyclo<5.4.0>undec-7-ene / CH₂Cl₂ / 0.5 h / Ambient temperature

6: 70 percent / BF₃*Et₂O, 4A molecular sieves / CH₂Cl₂ / 0.5 h / 0 °C

With pyridine; dmap; 4 A molecular sieve; sulfuric acid; boron trifluoride diethyl etherate; tetra-(n-butyl)ammonium iodide; di(n-butyl)tin oxide; tributyltin ethoxide; 1,8-diazabicyclo[5.4.0]undec-7-ene; In 1,4-dioxane; dichloromethane; 1,2-dichloro-ethane;