PERFLUORODIBUTYLETHER synthesis
- Product Name:PERFLUORODIBUTYLETHER
- CAS Number:308-48-5
- Molecular formula:C8F18O
- Molecular Weight:454.06
Yield:308-48-5 83.2%
Reaction Conditions:
Stage #1: perfluorobutyryl fluoridewith silver fluoride at 20; for 24 h;Autoclave;
Stage #2: chloro-1 de perfluorobutanewith water at 20; for 24 h;Autoclave;
Steps:
8 Example 8
In a 1L autoclave,Add 200 ml of valeronitrile, 0.5 mol of AgF,1 mol of heptafluorobutyryl fluoride, reacted at 20 degrees for 24 hours,Then, the remaining heptafluorobutyryl fluoride in the above reaction system is separated at 10 degrees.Then add 0.015 mol of water and 1 mol of 1-chlorononafluoro-n-butane,React at 20 degrees for 24 hours,After the completion of the reaction, distillation was carried out to obtain 1,1,1,2,2,3,3,4,4-nonafluoro-4-(perfluorobutoxy)butane (boiling point: 100.7 ° C / 760 mmHg).The yield is 83.2%.The purity was 98.6%.
References:
CN110002968,2019,A Location in patent:Paragraph 0094-0095
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