1,2-Ethanocyclobutene

Base Information

• Chemical Name: 1,2-Ethanocyclobutene
• CAS No.: 30830-20-7
• Molecular Formula: C₆H₈
• Molecular Weight: 80.1295
• Hs Code.: 2902199090
• Mol file: 30830-20-7.mol

Synonyms:Bicyclo[2.2.0]hex-1(4)-ene(8CI,9CI); D1,4-Bicyclo[2.2.0]hexene

Chemical Property of 1,2-Ethanocyclobutene

Chemical Property:

• Vapor Pressure: 37.6mmHg at 25°C
• Boiling Point: 103.3°Cat760mmHg
• Flash Point: °C
• PSA: 0.00000
• Density: 0.96g/cm³
• LogP: 1.87060

Purity/Quality:

99% ^*data from raw suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of 1,2-Ethanocyclobutene

There total 4 articles about 1,2-Ethanocyclobutene 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: 75.0%

C13H15N2O2S(1-) → bicyclo<2.2.0>hex-1(4)-ene (30830-20-7) + 1,2-dimethylenecyclobutane (14296-80-1)

Guidance literature:

at 190 ℃;

DOI:10.1021/jo502456h

Reference yield:

spiro<2.3>hexan-4-one tosylhydrazone (107197-40-0) → bicyclo<2.2.0>hex-1(4)-ene (30830-20-7) + 1,2-dimethylenecyclobutane (14296-80-1)

Guidance literature:

With sodium methylate; Yield given. Multistep reaction. Yields of byproduct given. Title compound not separated from byproducts; 1.) diglyme, 1-2 h, room temperature, 2.) 185-190 deg C, 1 Torr, 3 h;

DOI:10.1016/S0040-4020(01)87609-2

Reference yield:

1-bromo-4-chlorobicyclo<2.2.0>hexane (33509-32-9) → bicyclo<2.2.0>hex-1(4)-ene (30830-20-7) + tricyclo<4.2.2.22,5>dodeca-1,5-diene (77422-56-1)

Guidance literature:

With tetraethylammonium bromide; In N,N-dimethyl-formamide; at -30 - -20 ℃; electrolysis at -1.8 to -2.0 V;

DOI:10.1016/S0040-4020(01)87609-2

upstream raw materials:

1-bromo-4-chlorobicyclo<2.2.0>hexane

spiro<2.3>hexan-4-one tosylhydrazone

Downstream raw materials:

1,2-dimethylenecyclobutane

1,2-dimethyl-cyclobutene