methyl-3,4-di-O-benzyl-2-O-(sodium 2,3-di-O-benzyl-α-L-fucopyranosyl 4-sulfate)-α-L-fucopyranoside

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Chemical Name:methyl-3,4-di-O-benzyl-2-O-(sodium 2,3-di-O-benzyl-α-L-fucopyranosyl 4-sulfate)-α-L-fucopyranoside
CAS No.:131524-36-2
Molecular Formula:C₄₁H₄₇O₁₂S*Na
Molecular Weight:786.873
Hs Code.:

Synonyms:methyl-3,4-di-O-benzyl-2-O-(sodium 2,3-di-O-benzyl-α-L-fucopyranosyl 4-sulfate)-α-L-fucopyranoside

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Chemical Property of methyl-3,4-di-O-benzyl-2-O-(sodium 2,3-di-O-benzyl-α-L-fucopyranosyl 4-sulfate)-α-L-fucopyranoside

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Technology Process of methyl-3,4-di-O-benzyl-2-O-(sodium 2,3-di-O-benzyl-α-L-fucopyranosyl 4-sulfate)-α-L-fucopyranoside

There total 5 articles about methyl-3,4-di-O-benzyl-2-O-(sodium 2,3-di-O-benzyl-α-L-fucopyranosyl 4-sulfate)-α-L-fucopyranoside 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%

: 131524-35-1
methyl 3,4-di-O-benzyl-2-O-(2,3-di-O-benzyl-α-L-fucopyranosyl)-α-L-fucopyranoside

: 131524-36-2
methyl-3,4-di-O-benzyl-2-O-(sodium 2,3-di-O-benzyl-α-L-fucopyranosyl 4-sulfate)-α-L-fucopyranoside

Guidance literature:: With pyridine-SO₃ complex; In N,N-dimethyl-formamide; Ambient temperature;
DOI:10.1016/0008-6215(90)80112-G

Reference yield:

: 42822-13-9
methyl 3,4-di-O-benzyl-α-L-fucopyranoside

: 131524-36-2
methyl-3,4-di-O-benzyl-2-O-(sodium 2,3-di-O-benzyl-α-L-fucopyranosyl 4-sulfate)-α-L-fucopyranoside

Guidance literature:: Multi-step reaction with 4 steps

1: 1) molecular sieves, 2) CuBr, tetrabutylammonium bromide / 1) CH₂Cl₂, DMF, 0.5 h, 2) 16 h, r.t.

2: 90 percent / 60percent aq. acetic acid / 1.5 h / 50 °C

3: 1) dibutyltin oxide, 2) tetrabutylammonium iodide / 1) benzene, 20 h, reflux, 2) 5 h, reflux

4: 97 percent / SO₃-pyridine complex / dimethylformamide / Ambient temperature

With molecular sieve; pyridine-SO₃ complex; tetrabutylammomium bromide; tetra-(n-butyl)ammonium iodide; di(n-butyl)tin oxide; acetic acid; copper(I) bromide; In N,N-dimethyl-formamide;
DOI:10.1016/0008-6215(90)80112-G

Reference yield:

: 100-39-0
benzyl bromide

: 131524-36-2
methyl-3,4-di-O-benzyl-2-O-(sodium 2,3-di-O-benzyl-α-L-fucopyranosyl 4-sulfate)-α-L-fucopyranoside

Guidance literature:: Multi-step reaction with 2 steps

1: 1) dibutyltin oxide, 2) tetrabutylammonium iodide / 1) benzene, 20 h, reflux, 2) 5 h, reflux

2: 97 percent / SO₃-pyridine complex / dimethylformamide / Ambient temperature

With pyridine-SO₃ complex; tetra-(n-butyl)ammonium iodide; di(n-butyl)tin oxide; In N,N-dimethyl-formamide;
DOI:10.1016/0008-6215(90)80112-G