3,4-Dichloro-1,2,3,4-tetramethylcyclobutene

Base Information

• Chemical Name: 3,4-Dichloro-1,2,3,4-tetramethylcyclobutene
• CAS No.: 1194-30-5
• Molecular Formula: C8H12 Cl2
• Molecular Weight: 179.089
• NSC Number: 125880
• DSSTox Substance ID: DTXSID90922949
• Nikkaji Number: J80.077E
• Mol file: 1194-30-5.mol

Synonyms:3,4-dichloro-1,2,3,4-tetramethylcyclobutene;1194-30-5;NSC125880;Cyclobutene, 3,4-dichloro-1,2,3,4-tetramethyl-;SCHEMBL9720420;3,4-DICHLORO-1,2,3,4-TETRAMETHYLCYCLOBUT-1-ENE;DTXSID90922949;QJHFTVCGJZFLCW-UHFFFAOYSA-N;NSC-125880;Cyclobutene,4-dichloro-1,2,3,4-tetramethyl-;3,4-Dichloro-1,2,3,4-tetramethyl-1-cyclobutene #

Chemical Property of 3,4-Dichloro-1,2,3,4-tetramethylcyclobutene

Chemical Property:

• Vapor Pressure: 0.787mmHg at 25°C
• Boiling Point: 189.5°Cat760mmHg
• Flash Point: 55.6°C
• PSA: 0.00000
• Density: 1.12g/cm³
• LogP: 3.33140
• XLogP3: 1.9
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 0
• Rotatable Bond Count: 0
• Exact Mass: 178.0316058
• Heavy Atom Count: 10
• Complexity: 185

Purity/Quality:

98%,99%, ^*data from raw suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: CC1=C(C(C1(C)Cl)(C)Cl)C

Technology Process of 3,4-Dichloro-1,2,3,4-tetramethylcyclobutene

There total 10 articles about 3,4-Dichloro-1,2,3,4-tetramethylcyclobutene 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: 4.9%

{(tetramethylcyclobutadiene)NiCl}2(μ-WS4) → tetramethylthiophene (14503-51-6) + 3,4-dichloro-1,2,3,4-tetramethyl-cyclobutene (1194-30-5)

Guidance literature:

In neat (no solvent); thermolysis at 210°C for 3 h;

Reference yield:

dimethylacetylene (503-17-3) → trans-3,4-dichloro-1,2,3,4-tetramethylcyclobutene (1194-30-5,35684-48-1)

Guidance literature:

With sulfuryl dichloride;

Reference yield:

1,2,3,4-Tetramethyl-cyclobuten-(1)-diol-(3,4) (187873-45-6) → trans-3,4-dichloro-1,2,3,4-tetramethylcyclobutene (1194-30-5,35684-48-1)

Guidance literature:

With hydrogenchloride;

upstream raw materials:

sulfuryl dichloride

dimethylacetylene

water

chlorine

Downstream raw materials:

C₂₄H₂₂

1,2,4-Trimethyl-3-methylen-cyclobuten-4-ol-benzoesaeureester

cis-1,2,3,4-Tetramethyl-cyclobuten-3,4-diol-dibenzoat

(CH₃)4C₄Fe(CO)3

Refernces

• 1、 Riemschneider,Becker. "". . p. 524. Retrieved 1959.