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???? Substituted azole compounds and there of
preparation and application  
SciFinder?? Preparation of azoles as
agrochemical insecticides and germicides.
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Title compds. I wherein X1 CH or N X2, X3
O, S or (un)substituted NH A1 N or CR9 A2 N
or CR10 A3 N or CR11, with some limitations
R1 - R11 H, alkyl, etc., and their
stereoisomers, esp. pyrazoles and oxazoles, were
prepd. as agrochem. insecticides and germicides.
For example, pyrazole II was synthesized by
etherification of the corresponding benzyl
bromide with pyrazolol, which was obtained by
cyclization of Et 4-chlorobenzoylacetate with
methylhydrazine in refluxing methanol for 3 h,
using NaH as base. Some I showed good
bactericidal, insecticidal and acaricidal
activities for a no. of diseases of different
crops. Therefore, I and formulations thereof can
be used to prevent and control many diseases of
various crops, such as downy mildew of cucumber,
gray mold of cucumber, powdery mildew of
cucumber, early blight of tomato, late blight of
tomato, blight of capsicum, downy mildew of
grape, white rot of grape, ring rot of apple,
spot disease and leaf cast of apple, rice sheath
blight disease, sheath and culm blight of rice,
wheat rust, leaf spot of wheat, powdery mildew of
wheat, rape sclerotium disease and spot disease
of maize. They can also be used to control pests
and acarids of various crops, such as armyworm,
little plutellid moth, aphids and lightish culex.

The present invention relates to agricultural
insecticide and germicide and discloses
substituted azole compounds, its preparation and
application. The substituted azole compounds of
the present invention is represented as formula
(I). The compounds of present invention have
broad bactericidal activity and can be used to
prevent and control various diseases of various
crops. For example they are excellent in control
diseases such as downy mildew of cucumber, gray
mold of cucumber, powdery mildew of cucumber,
early blight of tomato, late blight of tomato,
blight of capsicum, downy mildew of grape, white
rot of grape, ring rot of apple, spot disease and
leaf cast of apple, rice sheath blight disease,
sheath and culm blight of rice, wheat rust, leaf
spot of wheat, powdery mildew of wheat, rape
sclerotium disease, spot disease of maize and so
on. Some compounds have good insecticidal
activity and acaricidal activity and can be used
to control pests and acarids of various crops.
For example they are used to control armyworm,
little plutellid moth, aphids and lightish culex.
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