2-O,3-O,4-O,5-O-Tetraacetyl-L-arabinose diethyl dithioacetal

Base Information

• Chemical Name: 2-O,3-O,4-O,5-O-Tetraacetyl-L-arabinose diethyl dithioacetal
• CAS No.: 5115-88-8
• Molecular Formula: C17H28 O8 S2
• Molecular Weight: 424.5294
• Hs Code.: 2930909090
• Mol file: 5115-88-8.mol

Synonyms:Arabinose, diethyl mercaptal, tetraacetate, L- (8CI); L-Arabinose,diethyl mercaptal, tetraacetate;NSC 1691

Chemical Property of 2-O,3-O,4-O,5-O-Tetraacetyl-L-arabinose diethyl dithioacetal

Chemical Property:

• Vapor Pressure: 2.49E-08mmHg at 25°C
• Boiling Point: 451.1°Cat760mmHg
• Flash Point: 203.9°C
• PSA: 155.80000
• Density: 1.204g/cm³
• LogP: 2.17690

Purity/Quality:

99%min ^*data from raw suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of 2-O,3-O,4-O,5-O-Tetraacetyl-L-arabinose diethyl dithioacetal

There total 2 articles about 2-O,3-O,4-O,5-O-Tetraacetyl-L-arabinose 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:

L-arabinose di(ethylthio)acetal (43179-48-2) + acetic anhydride (108-24-7) → 2,3,4,5-tetra-O-acetyl-L-arabinose diethyl dithioacetal (5115-88-8)

Guidance literature:

With pyridine;

DOI:10.1021/ja01372a025

Reference yield:

L-arabinose (5328-37-0) + acetic anhydride (108-24-7) + ethanethiol (75-08-1) → 2,3,4,5-tetra-O-acetyl-L-arabinose diethyl dithioacetal (5115-88-8)

Guidance literature:

L-arabinose; ethanethiol; With trifluoroacetic acid; at 20 ℃; for 0.25h;

acetic anhydride; at 20 ℃; for 0.5h;

DOI:10.1021/ac049198m

Reference yield: 80.0%

2,3,4,5-tetra-O-acetyl-L-arabinose diethyl dithioacetal (5115-88-8) + (1R)-1-((3aR,6S,6aR)-6-(benzyloxy)-2,2-dimethyltetrahydrofuro(2,3-d)(1,3)dioxol-5-yl)ethane-1,2-diol (22529-61-9) → 3-O-benzyl-1,2-O-isopropylidene-5,6-O-(2,3,4,5-tetra-O-acetyl-D-arabinosylidene)-α-D-glucofuranose

Guidance literature:

With 1,3-dibromo-5,5-dimethylimidazolidine-2,4-dione; at 0 ℃; for 1h;

DOI:10.1016/j.carres.2004.12.002

upstream raw materials:

L-arabinose di(ethylthio)acetal

acetic anhydride

L-arabinose

ethanethiol

Downstream raw materials:

1,2,3,4,5-Penta-O-acetyl-L-arabinose-S-aethyl-monothioacetal

Refernces

• 1、 Khan, Abu T.,Khan, Md. Musawwer. "Bromodimethylsulfonium bromide (BDMS) mediated dithioacetalization of carbohydrates under solvent-free conditions". experimental part. p. 2139 - 2145. Retrieved 2010/11/04.