(2R,4aR,8S,8aR)-8-(Bis-ethylsulfanyl-methyl)-2-phenyl-tetrahydro-[1,3]dioxino[5,4-d][1,3]dioxine

Base Information

• Chemical Name: (2R,4aR,8S,8aR)-8-(Bis-ethylsulfanyl-methyl)-2-phenyl-tetrahydro-[1,3]dioxino[5,4-d][1,3]dioxine
• CAS No.: 207276-50-4
• Molecular Formula: C₁₇H₂₄O₄S₂
• Molecular Weight: 356.507
• Mol file: 207276-50-4.mol

Synonyms:(2R,4aR,8S,8aR)-8-(Bis-ethylsulfanyl-methyl)-2-phenyl-tetrahydro-[1,3]dioxino[5,4-d][1,3]dioxine

Chemical Property of (2R,4aR,8S,8aR)-8-(Bis-ethylsulfanyl-methyl)-2-phenyl-tetrahydro-[1,3]dioxino[5,4-d][1,3]dioxine

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of (2R,4aR,8S,8aR)-8-(Bis-ethylsulfanyl-methyl)-2-phenyl-tetrahydro-[1,3]dioxino[5,4-d][1,3]dioxine

There total 1 articles about (2R,4aR,8S,8aR)-8-(Bis-ethylsulfanyl-methyl)-2-phenyl-tetrahydro-[1,3]dioxino[5,4-d][1,3]dioxine 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: 62.0%

chlorobromomethane (74-97-5) + R-3,5-O-benzylidene-D-arabinose diethyl dithioacetal (106450-92-4) → (2R,4aR,8S,8aR)-8-(Bis-ethylsulfanyl-methyl)-2-phenyl-tetrahydro-[1,3]dioxino[5,4-d][1,3]dioxine (207276-50-4)

Guidance literature:

With sodium hydroxide; tetrabutylammomium bromide; In 1,4-dioxane; at 60 ℃; for 0.5h;

DOI:10.1055/s-1998-5940

Reference yield: 100.0%

(2R,4aR,8S,8aR)-8-(Bis-ethylsulfanyl-methyl)-2-phenyl-tetrahydro-[1,3]dioxino[5,4-d][1,3]dioxine (207276-50-4) → (R)-3,5-O-Benzylidene-2,4-O-methylene-D-arabinose (207276-51-5)

Guidance literature:

With silver nitrate; mercury dichloride; silver(l) oxide; In acetonitrile; 1.) 0 deg C, 15 min, 2.) 0 deg C, 25 min;

DOI:10.1055/s-1998-5940

Reference yield:

(2R,4aR,8S,8aR)-8-(Bis-ethylsulfanyl-methyl)-2-phenyl-tetrahydro-[1,3]dioxino[5,4-d][1,3]dioxine (207276-50-4) → (1R,5R,6R,8R)-5-((1S)-1-Hydroxy-2,2-dimethylbut-3-enyl)-8-phenyl-2,4,7,9-tetraoxabicyclo[4.4.0]decane (207276-52-6)

Guidance literature:

Multi-step reaction with 2 steps

1: 100 percent / Ag₂O, AgNO₃, aq. HgCl₂ / acetonitrile / 1.) 0 deg C, 15 min, 2.) 0 deg C, 25 min

2: 94 percent / MgBr₂ / tetrahydrofuran / 1.5 h / -30 °C

With silver nitrate; mercury dichloride; magnesium bromide; silver(l) oxide; In tetrahydrofuran; acetonitrile;

DOI:10.1055/s-1998-5940

upstream raw materials:

chlorobromomethane

R-3,5-O-benzylidene-D-arabinose diethyl dithioacetal

Downstream raw materials:

(R)-3,5-O-Benzylidene-2,4-O-methylene-D-arabinose

(1R,5R,6R,8R)-5-((1S)-1-Hydroxy-2,2-dimethylbut-3-enyl)-8-phenyl-2,4,7,9-tetraoxabicyclo[4.4.0]decane

(1R,5R,6R,8R)-5-((1S)-1-Methoxy-2,2-dimethylbut-3-enyl)-8-phenyl-2,4,7,9-tetraoxabicyclo[4.4.0]decane