申请人:DowElanco
公开号:EP0326329A2
公开(公告)日:1989-08-02
Substituted quinazolines of the formula (1):
wherein:
R1 to R4 are independently H, halo, (Ci-C4) alkyl, branched (C3-C4) alkyl, halo (C1-C4) alkyl, (Ci-C4) alkoxy, N02, or NH2, provided that
at least two of R1 to R4 are H;
Y is H, Cl, X-W-Ar, or O-Alk;
X is 0, NR7, or CR8R9;
Z is H, Cl, OCH3, CH3, or -NR7-W-Ar, provided that Z can be -NR7-W-Ar only if Y is H, Cl, or NR7-W-Ar and Z must be -NR7-W-Ar if Y is H or Cl;
R7 is H, (C1-C4) alkyl, or acetyl;
R8 and R9 are independently H, (C1-C4) alkyl, halo, or OH;
W is an alkylene chain 2 to 6 carbon atoms long, optionally including a carbocyclic ring or substituted with (C1-C3) alkyl, phenyl, (C3-C8) cycloalkyl, halo, hydroxy, or acetyl; and Ar is
imidazolyl;
indolyl;
thienyl, optionally substituted with CH3 or Cl;
thiazolyl;
1,3-benzodioxolyl;
fluorenyl;
cyclohexyl (hexahydrophenyl),
cyclohexenyl (tetrahydrophenyl),
naphthyl,
dihydronaphthyl,
tetrahydronaphthyl,
decahydronaphthyl;
or a group of the formula (2):
where
R10 to R14 are independently H, halo, I, (C1-C10) alkyl, branched (C3-C6) alkyl, halo (C1-C4) alkyl, (Ci-C4) alkoxy, halo (C1-C4) alkoxy, phenoxy, substituted phenoxy, phenyl, substituted phenyl, phenylthio, substituted phenylthio, NH2, N02, OH, or CN, at least two R1 to R4 being H;
Alk is (C2-C18) alkyl, straight chain or branched;
or an acid addition salt of a compound of formula (1) provided that:
if R1 to R4 are all H and Y is NR7-W-Ar, then Ar is naphthyl or a group of formula (2) wherein at least one of R10 to R14 is phenyl, substituted phenyl, phenoxy, substituted phenoxy, phenylthio, substituted phenylthio, halo (C1-C4) alkyl, or halo (C1-C4) alkoxy are plant fungicides, miticides, and insecticides.
式(1)的取代喹唑啉类化合物:
其中
R1 至 R4 独立地为 H、卤代、(Ci-C4)烷基、支链(C3-C4)烷基、卤代(C1-C4)烷基、(Ci-C4)烷氧基、N02 或 NH2,条件是
R1 至 R4 中至少有两个是 H;
Y 是 H、Cl、X-W-Ar 或 O-烷基;
X 是 0、NR7 或 CR8R9;
Z 是 H、Cl、OCH3、CH3 或-NR7-W-Ar,但只有当 Y 是 H、Cl 或 NR7-W-Ar 时,Z 才可以是-NR7-W-Ar,而当 Y 是 H 或 Cl 时,Z 必须是-NR7-W-Ar;
R7 是 H、(C1-C4)烷基或乙酰基;
R8 和 R9 独立地为 H、(C1-C4)烷基、卤代或 OH;
W 是长度为 2 至 6 个碳原子的亚烷基链,可选择包括一个碳环或被 (C1-C3) 烷基、苯基、(C3-C8) 环烷基、卤代、羟基或乙酰基取代;以及 Ar 是
咪唑基
吲哚基
任选被 CH3 或 Cl 取代的噻吩基
噻唑基;
1,3-苯并二氧戊环
芴基
环己基(六氢苯基)、
环己烯基(四氢苯基)、
萘基
二氢萘
四氢萘
十氢萘;
或式(2)的基团:
其中
R10 至 R14 独立地为 H、卤素、I、(C1-C10)烷基、支链(C3-C6)烷基、卤代(C1-C4)烷基、(Ci-C4)烷氧基、卤代(C1-C4)烷氧基、苯氧基、取代苯氧基、苯基、取代苯基、苯硫基、取代苯硫基、NH2、N02、OH 或 CN,其中至少两个 R1 至 R4 为 H;
烷基是(C2-C18)直链或支链烷基;
或式(1)化合物的酸加成盐,条件是
如果 R1 至 R4 全为 H 且 Y 为 NR7-W-Ar,则 Ar 为萘基或式(2)基团,其中 R10 至 R14 中至少有一个为苯基、取代苯基、苯氧基、取代苯氧基、苯硫基、取代苯硫基、卤代(C1-C4)烷基或卤代(C1-C4)烷氧基,是植物杀真菌剂、杀螨剂和杀虫剂。