2,4,5-tri-O-acetyl-3-O-benzyl-D-xylose diethyl dithioacetal

Base Information

• Chemical Name: 2,4,5-tri-O-acetyl-3-O-benzyl-D-xylose diethyl dithioacetal
• CAS No.: 115434-92-9
• Molecular Formula: C₂₂H₃₂O₇S₂
• Molecular Weight: 472.624
• Mol file: 115434-92-9.mol

Synonyms:

Chemical Property of 2,4,5-tri-O-acetyl-3-O-benzyl-D-xylose diethyl dithioacetal

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of 2,4,5-tri-O-acetyl-3-O-benzyl-D-xylose diethyl dithioacetal

There total 2 articles about 2,4,5-tri-O-acetyl-3-O-benzyl-D-xylose diethyl dithioacetal 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-O-benzyl-1,2-O-isopropylidene-α-D-xylofuranose (34370-91-7,59358-33-7,68354-70-1,70798-12-8,19139-80-1) → 2,4,5-tri-O-acetyl-3-O-benzyl-D-xylose diethyl dithioacetal (115434-92-9)

Guidance literature:

Multi-step reaction with 2 steps

1: 80percent acetic acid / H₂O / Heating

2: 1.) conc. HCl / 1.) -15 min, 30 min; 2.) pyridine, r.t., 13 h

With hydrogenchloride; acetic acid; In water;

DOI:10.1246/bcsj.60.3673

Reference yield:

acetic anhydride (108-24-7) + 3-O-Benzyl-D-xylose + ethanethiol (75-08-1) → 2,4,5-tri-O-acetyl-3-O-benzyl-D-xylose diethyl dithioacetal (115434-92-9)

Guidance literature:

With hydrogenchloride; Yield given. Multistep reaction; 1.) -15 min, 30 min; 2.) pyridine, r.t., 13 h;

DOI:10.1246/bcsj.60.3673

Reference yield:

2,4,5-tri-O-acetyl-3-O-benzyl-D-xylose diethyl dithioacetal (115434-92-9) → Acetic acid (1R,2S,3R)-3-acetoxy-1-acetoxymethyl-2-benzyloxy-4-oxo-butyl ester (115434-93-0)

Guidance literature:

With calcium carbonate; mercury dichloride; In water; acetonitrile; for 0.5h; Ambient temperature;

DOI:10.1246/bcsj.60.3673

upstream raw materials:

acetic anhydride

ethanethiol

3-O-benzyl-1,2-O-isopropylidene-α-D-xylofuranose

Downstream raw materials:

Acetic acid (1R,2S,3R)-3-acetoxy-1-acetoxymethyl-2-benzyloxy-4-oxo-butyl ester

(3S,4S)-4-Acetoxy-3-benzyloxy-cyclopent-1-enecarboxylic acid methyl ester

(S)-2-Benzyloxy-4-(tert-butyl-diphenyl-silanyloxymethyl)-cyclopent-3-enone

dimethyl (2R,3R,4S)-2,4-diacetoxy-3-benzyloxy-1,1-cyclopentanedicarboxylate