1. “Catalyst-on-a-Tape”—Teflon: A New Delivery and Recovery Method for Homogeneous Fluorous Catalysts

2. Latest CENs
Biffis, A. et al. Org. Lett. 1998, 7, 1841

3. “fluorous ponytails” : (CH2)m(CF2)n-1CF3
Co-cat : Co{OOC(CH2)2(CF2)7CF3}2 ; C6F14 : $17.6 (10ml)
Ru-cat : K[Ru(C7F15COCHCOC7F15)2] ; C8F14Br : $45 (1 g)
Horvath, I. T. et al. Acc. Chem. Res. 1998, 31, 641

4. liquid/liquid phase separation
Dinh, L. D. et al. New. J. Chem. 2005, 29, 173

5. Catalyst-on-a-Tape

6. Reaction for four cycles
As opposed to leaching
Some intrinsic problem with the recycling method

7. Effect of Teflon All reactants except PhMe2SiH are added;
(b) The mixture
is heated to
55 °C;
(c) The tape is
removed;
(d) The
PhMe2SiH is
added.

8. Results “catalyst-on-a-tape” 的系統提供了許多反應上的好處，也可以減少對環境的污染。
氟的化合物提供一個最合適的反應條件或適用於某些特定的反應，可以應用在工業上面。

9. Synthesis for catalyst
Gladysz, J. A. et al. J. Am. Chem. Soc. 1999, 121, 2696

10. including the homogeneous oxidation of alcohols and alkenols and the epoxidation of alkenes." Friedel-Crafts acylations and esterifications.
a chelating solvent such as tetrahydrofuran (THF)
Reactions can be catalyzed under monophasic conditions at the high-temperature limit, and the products and catalyst can be separated under biphasic conditions at the low-temperature limit
highly electron-withdrawing perfluoroalkyl groups
C6F6/CF3C6H5 solution
PhSiH(Me)2 : moisture sensitive(5g/$20)

11. Oxidative addition

12. Friedel-Crafts acylations
Epoxidation
Esterification
Friedel-Crafts acylations