5-(2,6-Diphenyl-tetrahydro-thiopyran-4-ylidene)-[1,3]dithiolo[4,5-d][1,3]dithiol-2-one

Base Information

• Chemical Name: 5-(2,6-Diphenyl-tetrahydro-thiopyran-4-ylidene)-[1,3]dithiolo[4,5-d][1,3]dithiol-2-one
• CAS No.: 177546-04-2
• Molecular Formula: C₂₁H₁₆OS₅
• Molecular Weight: 444.687

Synonyms:5-(2,6-Diphenyl-tetrahydro-thiopyran-4-ylidene)-[1,3]dithiolo[4,5-d][1,3]dithiol-2-one

Chemical Property of 5-(2,6-Diphenyl-tetrahydro-thiopyran-4-ylidene)-[1,3]dithiolo[4,5-d][1,3]dithiol-2-one

Chemical Property:

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Technology Process of 5-(2,6-Diphenyl-tetrahydro-thiopyran-4-ylidene)-[1,3]dithiolo[4,5-d][1,3]dithiol-2-one

There total 2 articles about 5-(2,6-Diphenyl-tetrahydro-thiopyran-4-ylidene)-[1,3]dithiolo[4,5-d][1,3]dithiol-2-one 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: 90.0%

5-(2,6-Diphenyl-tetrahydro-thiopyran-4-ylidene)-[1,3]dithiolo[4,5-d][1,3]dithiole-2-thione (177546-03-1) → 5-(2,6-Diphenyl-tetrahydro-thiopyran-4-ylidene)-[1,3]dithiolo[4,5-d][1,3]dithiol-2-one (177546-04-2)

Guidance literature:

With mercury(II) diacetate; In chloroform; acetic acid; Ambient temperature;

DOI:10.1021/jo9516244

Reference yield:

4-oxo-2,6-diphenyl-thiane (37014-01-0) → 5-(2,6-Diphenyl-tetrahydro-thiopyran-4-ylidene)-[1,3]dithiolo[4,5-d][1,3]dithiol-2-one (177546-04-2)

Guidance literature:

Multi-step reaction with 2 steps

1: 85 percent / LDA / tetrahydrofuran / -78 °C

2: 90 percent / Hg(OAc)2 / CHCl₃; acetic acid / Ambient temperature

With mercury(II) diacetate; lithium diisopropyl amide; In tetrahydrofuran; chloroform; acetic acid;

DOI:10.1021/jo9516244

Reference yield: 70.0%

4,5-bis(methoxycarbonyl)-1,3-dithiole-2-thione (7396-41-0) + 5-(2,6-Diphenyl-tetrahydro-thiopyran-4-ylidene)-[1,3]dithiolo[4,5-d][1,3]dithiol-2-one (177546-04-2) → 2-[5-(2,6-Diphenyl-tetrahydro-thiopyran-4-ylidene)-[1,3]dithiolo[4,5-d][1,3]dithiol-2-ylidene]-[1,3]dithiole-4,5-dicarboxylic acid dimethyl ester (177546-06-4)

Guidance literature:

With triethyl phosphite; at 80 ℃;

DOI:10.1021/jo9516244

upstream raw materials:

5-(2,6-Diphenyl-tetrahydro-thiopyran-4-ylidene)-[1,3]dithiolo[4,5-d][1,3]dithiole-2-thione

4-oxo-2,6-diphenyl-thiane

Downstream raw materials:

2-(4,5-Bis-methylsulfanyl-[1,3]dithiol-2-ylidene)-5-(2,6-diphenyl-tetrahydro-thiopyran-4-ylidene)-[1,3]dithiolo[4,5-d][1,3]dithiole

2-[5-(2,6-Diphenyl-tetrahydro-thiopyran-4-ylidene)-[1,3]dithiolo[4,5-d][1,3]dithiol-2-ylidene]-[1,3]dithiole-4,5-dicarboxylic acid dimethyl ester

2-(2,6-Diphenyl-thiopyran-4-ylidene)-5-[1,3]dithiol-2-ylidene-[1,3]dithiolo[4,5-d][1,3]dithiole

2-(4,5-Bis-methylsulfanyl-[1,3]dithiol-2-ylidene)-5-(2,6-diphenyl-thiopyran-4-ylidene)-[1,3]dithiolo[4,5-d][1,3]dithiole

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