2-(2-phenylethylidene)-1,3-dithiane

Base Information

• Chemical Name: 2-(2-phenylethylidene)-1,3-dithiane
• CAS No.: 29833-93-0
• Molecular Formula: C12H14 S2
• Molecular Weight: 222.375
• Mol file: 29833-93-0.mol

Synonyms:m-Dithiane,2-phenethylidene- (8CI); NSC 241852

Chemical Property of 2-(2-phenylethylidene)-1,3-dithiane

Chemical Property:

• Vapor Pressure: 6.46E-06mmHg at 25°C
• Boiling Point: 389.3°Cat760mmHg
• Flash Point: 199.2°C
• Density: 1.212g/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-(2-phenylethylidene)-1,3-dithiane

There total 8 articles about 2-(2-phenylethylidene)-1,3-dithiane 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: 87.0%

2-oxo-1,3-dithiane (35345-24-5) + 1,1-dibromo-2-phenylethane (2612-38-6) → 2-(3-phenyl-propyliden)-1,3-dithiane (29833-93-0)

Guidance literature:

With N,N,N,N,-tetramethylethylenediamine; titanium tetrachloride; zinc; In tetrahydrofuran; at 25 ℃; for 0.5h;

DOI:10.1016/S0040-4039(00)95162-1

Reference yield: 85.0%

2-Chloro-2-phenethyl-[1,3]dithiane → 2-(3-phenyl-propyliden)-1,3-dithiane (29833-93-0)

Guidance literature:

With potassium hydroxide; In benzene; for 1h; Heating;

DOI:10.1080/00397919308011176

Reference yield: 72.0%

2-[1-(2,2-Dimethyl-propionyloxy)-2-phenyl-ethyl]-[1,3]dithiane-2-carboxylic acid methyl ester (95680-48-1) → 2-(3-phenyl-propyliden)-1,3-dithiane (29833-93-0)

Guidance literature:

With lithium iodide; In N,N-dimethyl-formamide; at 150 ℃; for 2h;

DOI:10.1016/S0040-4039(01)81671-3

upstream raw materials:

2-oxo-1,3-dithiane

1,1-dibromo-2-phenylethane

2-(trimethylsilyl)-1,3-dithiane

phenylacetaldehyde

Downstream raw materials:

3-benzyl-1,4-dithiepan-2-one

2-(2-Phenyl-pent-4-enylidene)-[1,3]dithiane

4-[1,3]Dithian-2-ylidene-3-phenyl-butyric acid ethyl ester

6-[1,3]Dithian-2-ylidene-2,2-dimethyl-5-phenyl-hexan-3-one