ChemicalBook CAS DataBase List HEXAFLUOROCYCLOBUTENE

HEXAFLUOROCYCLOBUTENE synthesis

11synthesis methods

Product Name:HEXAFLUOROCYCLOBUTENE
CAS Number:697-11-0
Molecular formula:C4F6
Molecular Weight:162.03

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Yield: 96.8%

Reaction Conditions:

in N,N-dimethyl-formamide at 160; for 6 h;Autoclave;Temperature;Reagent/catalyst;

Steps:

1; 2; 10; 11 Example 1
In a 1 L autoclave, 2 mol of N,N-dimethylformamide and 1 mol were added.1,2-dichlorohexafluorocyclobutane (molar ratio of cis and trans is 60:40),After reacting at 160 ° for 6 hours, after the reaction is finished, rectification is carried out.Obtaining hexafluorocyclobutene (boiling point 5-6 ° C / 760 mmHg),The yield was 96.8% and the purity was 99.1%.

References:

Beijing Yuji Science And Technology Co., Ltd.;Zhang Chengping;Zhang Wenni;Guo Qin;Quan Hengdao CN110002948, 2019, A Location in patent:Paragraph 0054-0057; 0072-0075