Organic compounds -- part of the class 532-570 series – Organic compounds – Halogen containing
Reexamination Certificate
2004-11-02
2008-10-21
Wilson, James O. (Department: 1621)
Organic compounds -- part of the class 532-570 series
Organic compounds
Halogen containing
C568S309000, C568S326000, C568S331000, C568S332000, C568S333000
Reexamination Certificate
active
07439407
ABSTRACT:
Fluorinated pentacene derivatives, for example, the novel compounds tetradecafluoropentacene, 5,6,7,12,13,14-hexafluoropentacene, 5,7,12,14-tetrafluoropentacene, and 6,13-difluoropentacene, and intermediates therefor are provided. And a method of producing fluorinated pentacene derivatives and intermediates therefor is also provided. Pentacene derivatives fluorinated at desired positions of the pentacene skeleton are obtained by introducing the oxo group, hydroxyl group, or alkoxyl group into the pentacene skeleton followed by fluorination with sulfur tetrafluoride and partial defluorination using a reducing agent.
REFERENCES:
Kato et al. Journal of chemical physics, 2003, 119(21) 11318-11328.
Burdeniuc, J. et al., “Mineralization of Chlorofluorocarbons and Aromatization of Saturated Fluorocarbons by a Convenient Process”, Science, (Jan. 1996), vol. 271, pp. 340-341.
Gething, B. et al., :A New General Route To Aromatic Fluorocarbons, Nature, (Feb. 1959), vol. 183, pp. 588-589.
Harrison, D. et al., :Polycyclic Fluoromatic Compounds -III1, Octafluoroacenaphthylene, and Decafluoro-indane, -Acenaphthene, -Anthracene, and -Pyrene, Tetrahedron, (1963), vol. 19, pp. 1893-1901.
Hu, C. et al., “Defluorination of Hexadecaflurobicyclo[4,4,0]Dec. 1(6)-Ene: A facile Synthesis of Perfluoroaromtics”, J. Fluorine, Chem. (1990), vol. 48, pp. 29-35.
Marsella, J.A. et al., “Selective Reduction of Saturated Perfluorocarbons”, J. Org Chem, (1992), vol. 57, No. 10, pp. 2856-2860.
McBee, E.T. et al., “The Preparation of Certain Ethers of Trifluoromethyl-substituted Phenols”, J. Am. Chem. Soc., (Apr. 1947), vol. 69, pp. 947-950.
McBee, E.T., et al., “Fluorinated derivatives of mesitylene” Indust. Engng. Chem. (1947), vol. 39, No. 3, pp. 393-394.
Zh. Org. Khim., vol. 7, (1947), pp. 754-751.
Oksenenko, B.G., et al., “Action of Electrophilic Agents on Polyfluoroaromatic Compounds”, J. Org. Chem. USSR, pp. 753-758.
Simons, J.H., et al., “Fluorine Derivatives of Acetophenone and Ethylbenzene”, J. Am. Chem. Soc., (1943), vol. 65, pp. 2064-2066.
Simons, J.H., et al., “The Preparation of Benzotrifluride”, J. Am. Chem. Soc., (1937), vol. 60, pp. 492.
Gao Yuan
Kobayashi Masafumi
Ohkubo Kimitaka
Omae Osamu
Browdy and Neimark , P.L.L.C.
Kanto Denta Kogyo Co., Ltd.
Valenrod Yevegeny
Wilson James O.
LandOfFree
Fluorinated pentacene derivative and method of producing same does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Fluorinated pentacene derivative and method of producing same, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Fluorinated pentacene derivative and method of producing same will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-4002233