3,5-di-O-benzoyl-1,2-O-<1-(exo-methoxycarbonyl)ethylidene>-6-O-trityl-α-D-galactofuranose

Base Information

• Chemical Name: 3,5-di-O-benzoyl-1,2-O-<1-(exo-methoxycarbonyl)ethylidene>-6-O-trityl-α-D-galactofuranose
• CAS No.: 128596-88-3
• Molecular Formula: C₄₃H₃₈O₁₀
• Molecular Weight: 714.769

Synonyms:3,5-di-O-benzoyl-1,2-O-<1-(exo-methoxycarbonyl)ethylidene>-6-O-trityl-α-D-galactofuranose

Chemical Property of 3,5-di-O-benzoyl-1,2-O-<1-(exo-methoxycarbonyl)ethylidene>-6-O-trityl-α-D-galactofuranose

Chemical Property:

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Technology Process of 3,5-di-O-benzoyl-1,2-O-<1-(exo-methoxycarbonyl)ethylidene>-6-O-trityl-α-D-galactofuranose

There total 3 articles about 3,5-di-O-benzoyl-1,2-O-<1-(exo-methoxycarbonyl)ethylidene>-6-O-trityl-α-D-galactofuranose 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:

3,5,6-tri-O-acetyl-1,2-O-<(1-exo-cyano)ethylidene>-α-D-galactofuranose (97321-60-3) → 3,5-di-O-benzoyl-1,2-O-<1-(exo-methoxycarbonyl)ethylidene>-6-O-trityl-α-D-galactofuranose (128596-88-3)

Guidance literature:

Multi-step reaction with 3 steps

1: methanol / 2 h / Ambient temperature

2: pyridine / 17 h / Ambient temperature

3: pyridine

With pyridine; In methanol;

DOI:10.1016/S0040-4020(01)97589-1

Reference yield:

1,2-O-(1-methoxycarbonyl)-ethylidene-α-D-galactofuranose (121018-03-9) → 3,5-di-O-benzoyl-1,2-O-<1-(exo-methoxycarbonyl)ethylidene>-6-O-trityl-α-D-galactofuranose (128596-88-3)

Guidance literature:

Multi-step reaction with 2 steps

1: pyridine / 17 h / Ambient temperature

2: pyridine

With pyridine;

DOI:10.1016/S0040-4020(01)97589-1

Reference yield:

(2S,3aR,5S,6S,6aR)-6-Hydroxy-5-((R)-1-hydroxy-2-trityloxy-ethyl)-2-methyl-tetrahydro-furo[2,3-d][1,3]dioxole-2-carboxylic acid methyl ester (128238-19-7) + benzoyl chloride (98-88-4) → 3,5-di-O-benzoyl-1,2-O-<1-(exo-methoxycarbonyl)ethylidene>-6-O-trityl-α-D-galactofuranose (128596-88-3)

Guidance literature:

With pyridine; Yield given;

DOI:10.1016/S0040-4020(01)97589-1

upstream raw materials:

(2S,3aR,5S,6S,6aR)-6-Hydroxy-5-((R)-1-hydroxy-2-trityloxy-ethyl)-2-methyl-tetrahydro-furo[2,3-d][1,3]dioxole-2-carboxylic acid methyl ester

benzoyl chloride

1,2-O-(1-methoxycarbonyl)-ethylidene-α-D-galactofuranose

3,5,6-tri-O-acetyl-1,2-O-<(1-exo-cyano)ethylidene>-α-D-galactofuranose

Downstream raw materials:

3,5-di-O-benzoyl-1,2-O-<1-(exo-methoxycarbonyl)ethylidene>-6-O-(2,3,5,6-tetra-O-acetyl-β-D-galactofuranosyl)-α-D-galactofuranose

3,5-di-O-benzoyl-1,2-O-<1-(exo-methoxycarbonyl)ethylidene>-6-O-(2,3,5-tri-O-benzoyl-6-O-trityl-β-D-galactofuranosyl)-α-D-galactofuranose

3,5-di-O-benzoyl-1,2-O-<1-(exo-cyano)ethylidene>-6-O-(2,3,5-tri-O-benzoyl-6-O-trityl-β-D-galactofuranosyl)-α-D-galactofuranose

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