1,4-dithiine

Base Information

• Chemical Name: 1,4-dithiine
• CAS No.: 290-79-9
• Molecular Formula: C4H4 S2
• Molecular Weight: 116.2046
• Mol file: 290-79-9.mol

Synonyms:p-Dithiin(6CI,7CI,8CI)

Chemical Property of 1,4-dithiine

Chemical Property:

• Vapor Pressure: 1.85mmHg at 25°C
• Boiling Point: 171.5°Cat760mmHg
• Flash Point: 63.3°C
• Density: 1.263g/cm³

Purity/Quality:

99% ^*data from raw suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of 1,4-dithiine

There total 14 articles about 1,4-dithiine 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: 81.0%

1,4-dithiane-2,5-diol (40018-26-6) → 1,4-dithiin (290-79-9)

Guidance literature:

With thionyl chloride; In N,N-dimethyl-formamide; at 25 ℃; for 2h;

DOI:10.1021/acs.orglett.6b03539

Reference yield: 61.0%

1,1-Dichloroethylene (75-35-4,9002-85-1) + disodium cis-1,2-ethenedithiolate (3353-90-0,17934-70-2,98710-88-4) → 1,4-dithiin (290-79-9)

Guidance literature:

In ammonia; for 12h;

Reference yield: 46.0%

1,2-Dichloroethylene (540-59-0,43695-79-0) → 1,4-dithiin (290-79-9)

Guidance literature:

With sulfur; hydrazine hydrate; potassium hydroxide; at 23 ℃; for 5h;

DOI:10.1134/S1070363218030015

upstream raw materials:

2,5-dimethoxy-[1,4]dithiane

2,5-diethoxy-[1,4]dithiane

1,1-Dichloroethylene

disodium cis-1,2-ethenedithiolate

Downstream raw materials:

(1S,2S,7R,8R)-1,8-Dimethyl-9,10-diphenyl-3,6-dithia-tricyclo[6.2.1.0^2,7]undeca-4,9-dien-11-one

Refernces

• 1、 Parham et al.. "-". . p. 1819,1820. Retrieved 1959.
• 2、 Levanova,Nikonova,Grabel’nykh,Russavskaya,Albanov,Rozentsveig,Korchevin. "Reactions of Dichloroethenes with Sulfur in the System Hydrazine Hydrate–KОН". . p. 383 - 388. Retrieved 2018/04/23.