Acetic acid (2S,3S,4R)-4-acetoxy-2-((R)-2,2-dimethyl-[1,3]dioxolan-4-yl)-5-p-tolylsulfanyl-tetrahydro-furan-3-yl ester

Base Information

• Chemical Name: Acetic acid (2S,3S,4R)-4-acetoxy-2-((R)-2,2-dimethyl-[1,3]dioxolan-4-yl)-5-p-tolylsulfanyl-tetrahydro-furan-3-yl ester
• CAS No.: 920274-27-7
• Molecular Formula: C₂₀H₂₆O₇S
• Molecular Weight: 410.488
• Mol file: 920274-27-7.mol

Synonyms:Acetic acid (2S,3S,4R)-4-acetoxy-2-((R)-2,2-dimethyl-[1,3]dioxolan-4-yl)-5-p-tolylsulfanyl-tetrahydro-furan-3-yl ester

Chemical Property of Acetic acid (2S,3S,4R)-4-acetoxy-2-((R)-2,2-dimethyl-[1,3]dioxolan-4-yl)-5-p-tolylsulfanyl-tetrahydro-furan-3-yl ester

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of Acetic acid (2S,3S,4R)-4-acetoxy-2-((R)-2,2-dimethyl-[1,3]dioxolan-4-yl)-5-p-tolylsulfanyl-tetrahydro-furan-3-yl ester

There total 1 articles about Acetic acid (2S,3S,4R)-4-acetoxy-2-((R)-2,2-dimethyl-[1,3]dioxolan-4-yl)-5-p-tolylsulfanyl-tetrahydro-furan-3-yl ester 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:

(2S,3R,4R)-2-((R)-1,2-Dihydroxy-ethyl)-5-p-tolylsulfanyl-tetrahydro-furan-3,4-diol + acetic anhydride (108-24-7) + 2,2-dimethoxy-propane (77-76-9) → Acetic acid (2S,3S,4R)-4-acetoxy-2-((R)-2,2-dimethyl-[1,3]dioxolan-4-yl)-5-p-tolylsulfanyl-tetrahydro-furan-3-yl ester (920274-27-7)

Guidance literature:

(2S,3R,4R)-2-((R)-1,2-Dihydroxy-ethyl)-5-p-tolylsulfanyl-tetrahydro-furan-3,4-diol; 2,2-dimethoxy-propane; With toluene-4-sulfonic acid; In acetone; at 20 ℃; for 4h;

acetic anhydride; With pyridine; at 0 ℃; for 6h;

DOI:10.1021/jo061821a

Reference yield: 94.0%

Acetic acid (2S,3S,4R)-4-acetoxy-2-((R)-2,2-dimethyl-[1,3]dioxolan-4-yl)-5-p-tolylsulfanyl-tetrahydro-furan-3-yl ester (920274-27-7) + methyl 2,3,5-tri-O-benzyl-β-D-galactofuranoside (127501-24-0) → methyl 2,3-di-O-acetyl-5,6-O-isopropylidene-β-D-galactofuranosyl-(1->6)-2,3,5-tri-O-benzyl-β-D-galactofuranoside (920274-31-3)

Guidance literature:

With N-iodo-succinimide; 4 A molecular sieve; silver trifluoromethanesulfonate; In dichloromethane; at 0 ℃; for 0.333333h;

DOI:10.1021/jo061821a

Reference yield: 89.0%

Acetic acid (2S,3S,4R)-4-acetoxy-2-((R)-2,2-dimethyl-[1,3]dioxolan-4-yl)-5-p-tolylsulfanyl-tetrahydro-furan-3-yl ester (920274-27-7) + methyl 2,3,6-tri-O-benzyl-β-D-galactofuranosyl-(1->6)-2,3,5-tri-O-benzyl-β-D-galactofuranoside (920274-34-6) → methyl 2,3-di-O-acetyl-5,6-O-isopropylidene-β-D-galactofuranosyl-(1->5)-2,3,6-tri-O-benzyl-β-D-galactofuranosyl-(1->6)-2,3,5-tri-O-benzyl-β-D-galactofuranoside (920274-35-7)

Guidance literature:

With N-iodo-succinimide; 4 A molecular sieve; silver trifluoromethanesulfonate; In dichloromethane; at 0 ℃; for 0.333333h;

DOI:10.1021/jo061821a

upstream raw materials:

acetic anhydride

2,2-dimethoxy-propane

Downstream raw materials:

methyl 2,3-di-O-acetyl-5,6-O-isopropylidene-β-D-galactofuranosyl-(1->5)-2,3,6-tri-O-benzyl-β-D-galactofuranosyl-(1->6)-2,3,5-tri-O-benzyl-β-D-galactofuranoside

methyl 2,3-di-O-acetyl-5,6-O-isopropylidene-β-D-galactofuranosyl-(1->6)-2,3,5-tri-O-benzyl-β-D-galactofuranoside

methyl 2,3-di-O-benzyl-β-D-galactofuranosyl-(1->6)-2,3,5-tri-O-benzyl-β-D-galactofuranoside

methyl 2,3-di-O-benzyl-5,6-O-isopropylidene-β-D-galactofuranosyl-(1->6)-2,3,5-tri-O-benzyl-β-D-galactofuranoside