dithiocarbonic acid [2-(2,5-dimethoxy-phenyl)-2-oxo-ethyl] ester ethyl ester

Base Information

• Chemical Name: dithiocarbonic acid [2-(2,5-dimethoxy-phenyl)-2-oxo-ethyl] ester ethyl ester
• CAS No.: 785808-79-9
• Molecular Formula: C₁₃H₁₆O₄S₂
• Molecular Weight: 300.4

Synonyms:dithiocarbonic acid [2-(2,5-dimethoxy-phenyl)-2-oxo-ethyl] ester ethyl ester

Chemical Property of dithiocarbonic acid [2-(2,5-dimethoxy-phenyl)-2-oxo-ethyl] ester ethyl ester

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Technology Process of dithiocarbonic acid [2-(2,5-dimethoxy-phenyl)-2-oxo-ethyl] ester ethyl ester

There total 1 articles about dithiocarbonic acid [2-(2,5-dimethoxy-phenyl)-2-oxo-ethyl] ester ethyl 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: 95.0%

2-bromo-2',5'-dimethoxyacetophenone (1204-21-3) + potassium ethyl xanthogenate (140-89-6) → dithiocarbonic acid [2-(2,5-dimethoxy-phenyl)-2-oxo-ethyl] ester ethyl ester (785808-79-9)

Guidance literature:

In acetone; at 0 ℃; for 1h;

DOI:10.1039/b411158c

Reference yield: 77.0%

5,6-dideoxy-1,2-O-isopropylidene-3-O-methyl-alpha-D-xylo-hex-5-enofuranose (19877-09-9) + dithiocarbonic acid [2-(2,5-dimethoxy-phenyl)-2-oxo-ethyl] ester ethyl ester (785808-79-9) → dithiocarbonic acid S-[4-(2,5-dimethoxy-phenyl)-1-(6-methoxy-2,2-dimethyl-tetrahydro-furo[2,3-d][1,3]dioxol-5-yl)-4-oxo-butyl] ester O-ethyl ester (785808-84-6)

Guidance literature:

With dilauryl peroxide; In 1,2-dichloro-ethane; Heating;

DOI:10.1016/j.tetlet.2004.08.009

Reference yield:

dithiocarbonic acid [2-(2,5-dimethoxy-phenyl)-2-oxo-ethyl] ester ethyl ester (785808-79-9) → 4-hydroxy-5,8-dimethoxy-4-(phenylethynyl)-1,2,3,4-tetrahydro-1-naphthalenyl pivalate (804498-92-8)

Guidance literature:

Multi-step reaction with 3 steps

1.1: lauroyl peroxide / 1,2-dichloro-ethane / Heating

2.1: dilauroyl peroxide / 1,2-dichloro-ethane / Heating

3.1: n-BuLi / hexane; tetrahydrofuran / 0.5 h / -78 °C

3.2: 65 percent / hexane; tetrahydrofuran / 3.5 h / 20 °C

With n-butyllithium; dilauryl peroxide; In tetrahydrofuran; hexane; 1,2-dichloro-ethane;

DOI:10.1039/b411158c

upstream raw materials:

2-bromo-2',5'-dimethoxyacetophenone

potassium ethyl xanthogenate

Downstream raw materials:

dithiocarbonic acid S-[4-(2,5-dimethoxy-phenyl)-1-(6-methoxy-2,2-dimethyl-tetrahydro-furo[2,3-d][1,3]dioxol-5-yl)-4-oxo-butyl] ester O-ethyl ester

4-hydroxy-5,8-dimethoxy-4-(phenylethynyl)-1,2,3,4-tetrahydro-1-naphthalenyl pivalate

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