1,1-DIOXO-1LAMBDA*6*-THIOCHROMAN-4-ONE

Base Information

• Chemical Name: 1,1-DIOXO-1LAMBDA*6*-THIOCHROMAN-4-ONE
• CAS No.: 19446-96-9
• Molecular Formula: C9H8 O3 S
• Molecular Weight: 196.22
• Hs Code.: 2932999099
• Mol file: 19446-96-9.mol

Synonyms:Thiochroman-4-one,1,1-dioxide (6CI,8CI); 1-Thiochroman-4-one 1,1-dioxide; NSC 403926;Thiochromanone 1,1-dioxide

Chemical Property of 1,1-DIOXO-1LAMBDA*6*-THIOCHROMAN-4-ONE

Chemical Property:

• Vapor Pressure: 1.13E-07mmHg at 25°C
• Boiling Point: 432.2°Cat760mmHg
• Flash Point: 294.1°C
• PSA: 59.59000
• Density: 1.408g/cm³
• LogP: 2.12750

Purity/Quality:

97% ^*data from raw suppliers

1,1-DIOXO-1LAMBDA*6*-THIOCHROMAN-4-ONE 95.00% ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of 1,1-DIOXO-1LAMBDA*6*-THIOCHROMAN-4-ONE

There total 16 articles about 1,1-DIOXO-1LAMBDA*6*-THIOCHROMAN-4-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: 99.0%

2,3-dihydro-4H-[1]benzothiopyran-4-one (3528-17-4) → 1,1-dioxo-1-thiochroman-4-one (19446-96-9)

Guidance literature:

With dihydrogen peroxide; In acetonitrile; at 40 ℃; for 0.333333h;

DOI:10.1002/adma.201906437

Reference yield: 93.0%

2,3-dihydro-4H-[1]benzothiopyran-4-one (3528-17-4) → 1-thiochroman-4-one 1-oxide (26524-91-4) + 1,1-dioxo-1-thiochroman-4-one (19446-96-9)

Guidance literature:

With 3,3-dimethyldioxirane; In dichloromethane; acetone; at 0 - 5 ℃;

DOI:10.1021/jo001469f

Reference yield: 42.0%

4-trimethylsilyloxy-3-thiochromene 1,1-dioxide (94445-47-3) + cyclopentene (142-29-0) → trans-3-(2'-Chlorocyclopentylthio)thiochromone 1,1-dioxide (143586-11-2) + cis-1,2,3,3a,5,11a-Hexahydrocyclopenta-11,4-oxathiino<3,2-c><1>benzothiopyran 6,6-dioxide (143586-12-3) + 1,1-dioxo-1-thiochroman-4-one (19446-96-9)

Guidance literature:

With thionyl chloride; In dichloromethane; 1) 0 deg C, 3 h, 2) 25 deg C, 16 h;

upstream raw materials:

1-thiochromone 1,1-dioxide

2,3-dihydro-4H-[1]benzothiopyran-4-one

dimethylacetylene

4-trimethylsilyloxy-3-thiochromene 1,1-dioxide

Downstream raw materials:

1,1-dioxo-1λ⁶-thiochroman-4-one phenylhydrazone

1,1-dioxo-1λ⁶-thiochroman-4-one oxime

3-bromothiochromanone 1,1-dioxide

11-benzyl-5,5-dioxo-6,11-dihydro-5H-5λ⁶-thiochromeno[4,3-b]indole-8-carboxylic acid ethyl ester

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