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Title:
DITHIOLOPYRROLE-BASED COMPOUND AND CONTROLLING AGENT CONTAINING THE SAME AS ACTIVE INGREDIENT AGAINST DISEASE AND INSECT PEST
Document Type and Number:
Japanese Patent JPH02235885
Kind Code:
A
Abstract:

NEW MATERIAL:A compound expressed by formula I [R1 represents H, lower alkyl, haloalkyl or phenyl; R2 represents H, lower alkyl (alkyl may be substituted with halogen, etc.), cycloalkyl, alkenyl, alkylcarbonyl, dialkylcarbamoyl, etc.].

EXAMPLE: 3'-Methoxy-4-oxo-5-formyl-4,5-dihydro-1,2-dithiolo-[4,3-b]pyrrole.

USE: An agricultural and horticultural controlling against diseases and insect pests.

PREPARATION: A compound expressed by formula II is reacted with a carboxylic anhydride expressed by formula III (R1 represents lower alkyl, haloalkyl or phenyl) to form a compound expressed by formula IV, which is then reacted with a mixture of formic acid with a lower alkyl carboxylic anhy dride to afford the compound expressed by formula I wherein group R1 represents H.


Inventors:
KAWADA SHUJI
KOBAYASHI MASUKO
TANAKA TOMOAKI
YOSHIDA HIROSHI
NAKAGAWA TAIZO
KUROKAWA TAKASHI
Application Number:
JP5390589A
Publication Date:
September 18, 1990
Filing Date:
March 08, 1989
Export Citation:
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Assignee:
NIPPON KAYAKU KK
International Classes:
C07D495/04; A01N43/90; (IPC1-7): A01N43/90; C07D495/04
Attorney, Agent or Firm:
Kazuhiko Takeda