Galactose, diethyl mercaptal, pentaacetate, D-

Base Information

• Chemical Name: Galactose, diethyl mercaptal, pentaacetate, D-
• CAS No.: 6935-10-0
• Molecular Formula: C20H32 O10 S2
• Molecular Weight: 496.6
• Hs Code.: 2930909090
• Mol file: 6935-10-0.mol

Synonyms:D-Galactose,diethyl dithioacetal, pentaacetate (9CI); D-Galactose, diethyl mercaptal,pentaacetate; Galactose, diethyl mercaptal, pentaacetate, D- (8CI);2,3,4,5,6-Penta-O-acetyl-D-galactose diethyl dithioacetal; Galactose diethylmercaptal, pentaacetate; NSC 46399; Peracetyl-D-galactose diethyl dithioacetal

Chemical Property of Galactose, diethyl mercaptal, pentaacetate, D-

Chemical Property:

• Vapor Pressure: 8.25E-12mmHg at 25°C
• Boiling Point: 542°C at 760 mmHg
• Flash Point: 256.2°C
• PSA: 182.10000
• Density: 1.223g/cm³
• LogP: 2.10860

Purity/Quality:

99% ^*data from raw suppliers

[(2R,3S,4S,5R)-2,4,5,6-TETRAACETYLOXY-1,1-BIS(ETHYLSULFANYL)HEXAN-3-YL] ACETATE 95.00% ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of Galactose, diethyl mercaptal, pentaacetate, D-

There total 6 articles about Galactose, diethyl mercaptal, pentaacetate, D- 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: 96.0%

D-galactose-diethyl-dithioacetal (5463-33-2) + acetic anhydride (108-24-7) → 2,3,4,5,6-penta-O-acetyl-D-galactose diethyl dithioacetal (6935-10-0)

Guidance literature:

With 1H-imidazole; In acetonitrile; at 20 ℃; for 4h;

DOI:10.1002/ejoc.200500555

Reference yield:

C10H22O5S2 + acetic anhydride (108-24-7) → 2,3,4,5,6-penta-O-acetyl-D-mannose diethyl dithioacetal (4984-72-9,5115-87-7,5505-29-3,6935-10-0,7226-25-7,7226-50-8,7226-51-9,7226-53-1,7226-54-2,7260-88-0,72003-68-0)

Guidance literature:

With pyridine; at 0 - 20 ℃; for 19h;

DOI:10.1016/j.tetlet.2012.12.048

Reference yield:

D-Galactose (59-23-4) + ethanethiol (75-08-1) → 2,3,4,5,6-penta-O-acetyl-D-galactose diethyl dithioacetal (6935-10-0)

Guidance literature:

With hydrogenchloride; Behandeln des Reaktionsprodukts mit Acetanhydrid und Pyridin;

DOI:10.1021/ja01219a512

upstream raw materials:

D-galactose-diethyl-dithioacetal

acetic anhydride

D-Galactose

ethanethiol

Downstream raw materials:

2,3,4,5,6-penta-O-acetyl-D-galactose dimethyl acetal

D-lyxose

Acetic acid (1R,2S,3S,4R)-2,3,4,5-tetraacetoxy-1-[(S)-((2R,4aR,6S,7S,8S,8aR)-7-benzyloxy-6-methoxy-2-phenyl-hexahydro-pyrano[3,2-d][1,3]dioxin-8-yloxy)-ethylsulfanyl-methyl]-pentyl ester

D-Galactose-dibenzylacetal

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