Endoparasite control agent
AssigneesThe University of Tokyo, Nihon Nohyaku Co., Ltd.
InventorsKiyoshi Kita, Akiyuki Suwa, Masatsugu Oda
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Abstract
The present invention is intended to provide a novel parasiticide, antiprotozoal or other endoparasite control agents which are effective for controlling animal endoparasites that have been impossible to control by conventional ones. Provided is an endoparasite control agent comprising, as an active ingredient, a carboxamide derivative represented by the general formula (I): or a salt thereof.
Claims7
A method for controlling an endoparasite, comprising orally or parenterally administering, to a mammal or a bird, an effective amount of an endoparasite control agent comprising, as an active ingredient, a carboxamide derivative represented by formula (I):
- wherein
- A represents a C—Y5 group (wherein Y5 is a hydrogen atom or a (C1-C6) alkyl group),
- X1 and X2 may be the same or different, and each represent
- (a1) a hydrogen atom;
- (a2) a halogen atom;
- (a3) a (C1-C6) alkyl group;
- (a4) a halo (C1-C6) alkyl group;
- (a5) a (C1-C6) alkoxy group;
- or
- (a6) a halo (C1-C6) alkoxy group,
- R1 and R2 may be the same or different, and are selected from the group consisting of
- (b1) a hydrogen atom;
- (b2) a halogen atom;
- (b3) a (C1-C6) alkyl group;
- (b4) a (C1-C6) alkoxy group;
- and
- (b5) a halo (C1-C6) alkyl group, or optionally
- (b6) R1 and R2 together with the carbon atom bound to R1 and R2 form a (C3-C6) cycloalkane,
- R3 and R4 may be the same or different, and are selected from the group consisting of
- (c1) a hydrogen atom;
- (c2) a halogen atom;
- (c3) a (C1-C6) alkyl group;
- (c4) a (C1-C6) alkoxy group;
- and
- (c5) a halo (C1-C6) alkyl group;
- or optionally
- (c6) R3 and R4 together with the carbon atom bound to R3 and R4 form a (C3-C6) cycloalkane,
- Y1 represents
- (d1) a hydrogen atom;
- (d2) a halogen atom;
- (d3) a (C1-C6) alkyl group;
- (d4) a halo (C1-C6) alkyl group;
- (d5) a (C1-C6) alkoxy group;
- or
- (d6) a halo (C1-C6) alkoxy group,
- Y2 and Y4 may be the same or different, and each represent
- (e1) a hydrogen atom;
- (e2) a halogen atom;
- (e3) a (C1-C6) alkyl group;
- (e4) a halo (C1-C6) alkyl group;
- (e5) a (C1-C6) alkoxy group;
- or
- (e6) a halo (C1-C6) alkoxy group, and
- Y3 represents
- (f9) a pyrimidyloxy group;
- or
- (f10) a pyrimidyloxy group having, on the ring, 1 to 3 substituting groups which may be the same or different and are selected from the group consisting of (a) a halogen atom, (b) a cyano group, (c) a nitro group, (d) a (C1-C6) alkyl group, (e) a halo (C1-C6) alkyl group and (g) a halo (C1-C6) alkoxy group, or
- a salt thereof.
Dependencies are inferred from the claim text.