2,6-diphenyl-4H-thiopyran-4-one 1,1-dioxide

Base Information

• Chemical Name: 2,6-diphenyl-4H-thiopyran-4-one 1,1-dioxide
• CAS No.: 41068-60-4
• Molecular Formula: C17H12 O3 S
• Molecular Weight: 296.346
• Mol file: 41068-60-4.mol

Synonyms:2,6-Diphenyl-4H-thiopyran-4-one1,1-dioxide; NSC 135448

Chemical Property of 2,6-diphenyl-4H-thiopyran-4-one 1,1-dioxide

Chemical Property:

• Vapor Pressure: 2.67E-12mmHg at 25°C
• Boiling Point: 553.6°Cat760mmHg
• Flash Point: 370.9°C
• Density: 1.344g/cm³

Purity/Quality:

99% ^*data from raw suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of 2,6-diphenyl-4H-thiopyran-4-one 1,1-dioxide

There total 10 articles about 2,6-diphenyl-4H-thiopyran-4-one 1,1-dioxide 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: 64.0%

2,6-diphenyl-4H-thiopyran-4-one (1029-96-5) → 2,6-diphenyl-4H-thiopyran-4-one 1,1-dioxide (41068-60-4)

Guidance literature:

With dihydrogen peroxide; In acetic acid; at 100 ℃;

DOI:10.1007/BF00515217

Reference yield: 45.0%

2,6-diphenyl-4H-thiopyran-4-thione (1029-97-6) → 2,6-diphenyl-4H-thiopyran-4-one 1,1-dioxide (41068-60-4)

Guidance literature:

With dihydrogen peroxide; In acetic acid; at 100 ℃; for 3h;

Reference yield: 3.0%

2,3,5,6-Tetrahydro-2,6-diphenylthiopyran-4-one 1,1-dioxide (103225-43-0) → dibenzylideneacetone (35225-79-7) + 2,6-diphenyl-4H-thiopyran-4-one 1,1-dioxide (41068-60-4)

Guidance literature:

With sulfuric acid; iodine; dimethyl sulfoxide; at 100 ℃; for 2h;

DOI:10.1021/jo00111a027

upstream raw materials:

2,6-diphenyl-2,3-dihydro-4H-thiopyran-4-one 1,1-dioxode

2,6-diphenyl-4H-thiopyran-4-one

2,6-diphenyl-4H-thiopyran-4-thione

2,3,5,6-Tetrahydro-2,6-diphenylthiopyran-4-one 1,1-dioxide

Downstream raw materials:

2,6-diphenyl-4-(2,2-dimethyl-4,6-dioxo-m-dioxan-5-ylidene)-4H-thiopyran 1,1-dioxide

2,6-diphenyl-4-hydroxy-4-methyl-4H-thiopyran 1,1-dioxide

2,6-diphenyl-4-(1,3-dioxoindan-2-ylidene)-4H-thiopyran 1,1-dioxide

2,6-diphenyl-4-(cyano(ethoxycarbonyl)methylene)-4H-thiopyran 1,1-dioxide

Refernces

• 1、 Marei, Mohamed Gaber. "A NEW SYNTHESIS OF 4H-THIOPYRAN-4-THIONES FROM ACETYLENIC β-DIKETONES". . p. 101 - 110. Retrieved 2007/10/02.
• 2、 Plotnikov, A. M.,Shebaldova, A. D.,Kharchenko, V. G.. "THE OXIDATION REACTIONS OF THIOPYRANS". . p. 1226 - 1229. Retrieved 2007/10/02.