Halogen-substituted quinoline derivatives and ectoparasite...

Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...

Reexamination Certificate

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C546S103000, C546S156000, C546S159000

Reexamination Certificate

active

07022855

ABSTRACT:
An objective of the present invention is to provide an ectoparasite control agent for homothermic animals, which has high control effect and is safe. The compounds according to the present invention are compounds represented by formula (I) and salts thereof:wherein R1represents optionally substituted alkyl; optionally substituted alkenyl; optionally substituted alkynyl; OR5wherein R5represents optionally substituted alkyl, optionally substituted alkenyl, or optionally substituted alkynyl; or SR5wherein R5is as defined above, R2represents optionally substituted alkyl, any one of R3and R4represents hydrogen and the other represents fluorine, chlorine, bromine, or CF3, and X represents fluorine or chlorine.

REFERENCES:
patent: 5190952 (1993-03-01), Minowa et al.
patent: 5194617 (1993-03-01), Minowa et al.
patent: 407192 (1991-01-01), None
patent: 407192 (1991-01-01), None
patent: 2003-041004 (1991-02-01), None
patent: 2001-097866 (2001-04-01), None
patent: WO 96/36608 (1996-11-01), None
patent: 02/26713 (2002-04-01), None
Minowa, CA 127:201395, abstract of Bioscience, Biotechnology and Biochemistry, vol. 61(7), pp1213-1215, 1997.
Minowa, Nobuto et al., “Synthesis and insecticidal activity of new 2- and 6-substituted 4-acetoxyquinolines”, Bioscience, Biotechnology, and Biochemistry, 1997, pp. 1213 to 1215, vol. 61, No. 7.

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