benzene-1,2-diyldimethanediyl dicarbamimidothioate dihydrobromide

Base Information

• Chemical Name: benzene-1,2-diyldimethanediyl dicarbamimidothioate dihydrobromide
• CAS No.: 16464-64-5
• Molecular Formula: C10H14 N4 S2 . 2 Br H
• Molecular Weight: 416.1988
• Mol file: 16464-64-5.mol

Synonyms:Carbamimidothioicacid, 1,2-phenylenebis(methylene) ester, dihydrobromide (9CI);Pseudourea,2,2'-(o-phenylenedimethylene)bis[2-thio-, dihydrobromide (8CI);

Chemical Property of benzene-1,2-diyldimethanediyl dicarbamimidothioate dihydrobromide

Chemical Property:

• Vapor Pressure: 1.42E-07mmHg at 25°C
• Boiling Point: 429.3°C at 760 mmHg
• Flash Point: 213.4°C

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of benzene-1,2-diyldimethanediyl dicarbamimidothioate dihydrobromide

There total 1 articles about benzene-1,2-diyldimethanediyl dicarbamimidothioate dihydrobromide 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: 94.0%

thiourea (17356-08-0) + α,α'-dibromo-o-xylene (91-13-4) → benzene-1,2-bismethaneisothiouronium dibromide (16464-64-5)

Guidance literature:

In ethanol; Heating;

Reference yield: 57.0%

benzene-1,2-bismethaneisothiouronium dibromide (16464-64-5) → 1,2-bis(mercaptomethyl)benzene (41383-84-0)

Guidance literature:

With sodium hydroxide; for 0.5h;

Reference yield:

benzene-1,2-bismethaneisothiouronium dibromide (16464-64-5) → 1,4-dihydrobenzo-2,3-dithiane (3886-39-3)

Guidance literature:

Multi-step reaction with 2 steps

1: 57 percent / 10percent aq. NaOH / 0.5 h

2: 81 percent / manganese(IV)oxide / CH₂Cl₂ / 18 h / -20 °C

With manganese(IV) oxide; sodium hydroxide; In dichloromethane;

upstream raw materials:

thiourea

α,α'-dibromo-o-xylene

Downstream raw materials:

1,2-bis(mercaptomethyl)benzene

1,4-dihydrobenzo-2,3-dithiane

Refernces

• 1、 Gilchrist, Thomas L.,Wood, Jane E.. "An Investigation of the Retro Diels-Alder Reaction as a Method for the Generation of Diatomic Sulfur". . p. 9 - 16. Retrieved 2007/10/02.