4-pentenyl 2,4-di-O-acetyl-3-O-(3-O-benzyl-2-O-methyl-α-L-fucopyranosyl)-α-L-rhamnopyranoside

Base Information

Chemical Name:4-pentenyl 2,4-di-O-acetyl-3-O-(3-O-benzyl-2-O-methyl-α-L-fucopyranosyl)-α-L-rhamnopyranoside
CAS No.:683773-21-9
Molecular Formula:C₂₉H₄₂O₁₁
Molecular Weight:566.646
Hs Code.:

Synonyms:4-pentenyl 2,4-di-O-acetyl-3-O-(3-O-benzyl-2-O-methyl-α-L-fucopyranosyl)-α-L-rhamnopyranoside

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Chemical Property of 4-pentenyl 2,4-di-O-acetyl-3-O-(3-O-benzyl-2-O-methyl-α-L-fucopyranosyl)-α-L-rhamnopyranoside

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Technology Process of 4-pentenyl 2,4-di-O-acetyl-3-O-(3-O-benzyl-2-O-methyl-α-L-fucopyranosyl)-α-L-rhamnopyranoside

There total 9 articles about 4-pentenyl 2,4-di-O-acetyl-3-O-(3-O-benzyl-2-O-methyl-α-L-fucopyranosyl)-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: 87.0%

: 683773-20-8
4-pentenyl 2,4-di-O-acetyl-3-O-(3-O-benzyl-4-O-chloroacetyl-2-O-methyl-α-L-fucopyranosyl)-α-L-rhamnopyranoside

: 683773-21-9
4-pentenyl 2,4-di-O-acetyl-3-O-(3-O-benzyl-2-O-methyl-α-L-fucopyranosyl)-α-L-rhamnopyranoside

Guidance literature:: With pyridine; thiourea; In ethanol; at 60 ℃; for 1.5h;
DOI:10.1021/jo030304e

Reference yield:

: 821-09-0
n-Pent-4-enyl alcohol

: 683773-21-9
4-pentenyl 2,4-di-O-acetyl-3-O-(3-O-benzyl-2-O-methyl-α-L-fucopyranosyl)-α-L-rhamnopyranoside

Guidance literature:: Multi-step reaction with 4 steps

1.1: p-toluenesulfonic acid monohydrate / 36 h / 95 °C

2.1: p-toluenesulfonic acid monohydrate / dimethylformamide / 2 h / 50 °C

2.2: 985 mg / pyridine / 48 h / 20 °C

3.1: 60 percent / 4 Angstroem molecular sieves; iodonium biscollidine perchlorate / CH₂Cl₂; diethyl ether / 0.5 h / 20 °C

4.1: 87 percent / thiourea; pyridine / ethanol / 1.5 h / 60 °C

With pyridine; iodonium(di-γ-collidine) perchlorate; 4 A molecular sieve; toluene-4-sulfonic acid; thiourea; In diethyl ether; ethanol; dichloromethane; N,N-dimethyl-formamide;
DOI:10.1021/jo030304e

Reference yield:

: 3615-41-6,478518-52-4
L-Rhamnose

: 683773-21-9
4-pentenyl 2,4-di-O-acetyl-3-O-(3-O-benzyl-2-O-methyl-α-L-fucopyranosyl)-α-L-rhamnopyranoside

Guidance literature:: Multi-step reaction with 4 steps

1.1: p-toluenesulfonic acid monohydrate / 36 h / 95 °C

2.1: p-toluenesulfonic acid monohydrate / dimethylformamide / 2 h / 50 °C

2.2: 985 mg / pyridine / 48 h / 20 °C

3.1: 60 percent / 4 Angstroem molecular sieves; iodonium biscollidine perchlorate / CH₂Cl₂; diethyl ether / 0.5 h / 20 °C

4.1: 87 percent / thiourea; pyridine / ethanol / 1.5 h / 60 °C

With pyridine; iodonium(di-γ-collidine) perchlorate; 4 A molecular sieve; toluene-4-sulfonic acid; thiourea; In diethyl ether; ethanol; dichloromethane; N,N-dimethyl-formamide;
DOI:10.1021/jo030304e