2,2,3,3,3-PENTAFLUOROPROPYL TRIFLUOROMETHANESULFONATE synthesis
- Product Name:2,2,3,3,3-PENTAFLUOROPROPYL TRIFLUOROMETHANESULFONATE
- CAS Number:6401-00-9
- Molecular formula:C4H2F8O3S
- Molecular Weight:282.11
422-05-9
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Yield: 97%
Reaction Conditions:
at 90;
Steps:
6.A.a Example 6: [2-HVDROXV-4- (2, 2, 3. 3. 3-PENTAFTUOROPROPOXY) BENZOIC] acid; Method A:; a) 2,2, 3,3, 3-Pentafluoropropyl trifluoromethanesulfonate
A mixture of trifluoromethanesulfonic anhydride (40 mL, 0.24 mol) and 2,2, 3,3, 3-pentafluoropropanol (25 mL, 0.24 mol) was heated under argon at 90 [°C] overnight. Then, the crude mixture was distilled at atmospheric pressure to give the desired product as a colourless oil (97% yield). H NMR (200 MHz, [CDC13)] [5] (TMS): 4.78 (t, J = 11.7 Hz, 2 H).
References:
J. URIACH & CIA. S.A. WO2004/9528, 2004, A1 Location in patent:Page 29
