3-cyclobutene-1,2-dione

Base Information

• Chemical Name: 3-cyclobutene-1,2-dione
• CAS No.: 32936-74-6
• Molecular Formula: C4H2O2
• Molecular Weight: 82.0587
• Mol file: 32936-74-6.mol

Synonyms:Diketocyclobutene;cyclobut-2-ene-1,4-dione;3-Cyclobutene-1,2-dione;Cyclobutendion;cyclobutene-1,2-dione;

Chemical Property of 3-cyclobutene-1,2-dione

Chemical Property:

• Vapor Pressure: 1.76mmHg at 25°C
• Boiling Point: 166.8°Cat760mmHg
• Flash Point: 53.4°C
• PSA: 34.14000
• Density: 1.432g/cm³
• LogP: -0.30560

Purity/Quality:

99% ^*data from raw suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of 3-cyclobutene-1,2-dione

There total 2 articles about 3-cyclobutene-1,2-dione 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: 15.0%

C18H12O2 (80337-08-2) → anthracene (120-12-7) + cyclobutene-1,2-dione (32936-74-6)

Guidance literature:

DOI:10.1016/S0040-4039(00)86963-4

Reference yield:

(1S,2R,5S,6R)-Tricyclo[4.2.1.02,5]non-7-ene-3,4-dione (67843-63-4) → cyclobutene-1,2-dione (32936-74-6) + cyclopenta-1,3-diene (542-92-7,25568-84-7,7313-32-8)

Guidance literature:

at 400 ℃; under 0.0001 Torr;

DOI:10.1016/S0040-4039(00)86963-4

Reference yield:

cyclobutene-1,2-dione (32936-74-6) + cyclopenta-1,3-diene (542-92-7,25568-84-7,7313-32-8) → (1R,2R,5S,6S)-Tricyclo[4.2.1.02,5]non-7-ene-3,4-dione (67792-55-6) + (1S,2R,5S,6R)-Tricyclo[4.2.1.02,5]non-7-ene-3,4-dione (67843-63-4)

Guidance literature:

Product distribution; effect of solvents to the yield discussed;

DOI:10.1016/S0040-4039(00)86963-4

upstream raw materials:

(1S,2R,5S,6R)-Tricyclo[4.2.1.0^2,5]non-7-ene-3,4-dione

C₁₈H₁₂O₂

Downstream raw materials:

(1R,2R,5S,6S)-Tricyclo[4.2.1.0^2,5]non-7-ene-3,4-dione

(1S,2R,5S,6R)-Tricyclo[4.2.1.0^2,5]non-7-ene-3,4-dione

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