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Patent Searching and Data


Title:
NAPHTHALENE DERIVATIVE
Document Type and Number:
Japanese Patent JPH04253967
Kind Code:
A
Abstract:

PURPOSE: To provide a novel naphthalene deriv. useful as a herbicide.

CONSTITUTION: The compd. of formula I [Q is O, S, NR (R, is H, alkyl); R' is H, alkyl; R2 to R4 are H, hydroxyl, amino, cyano, etc.; R5 to R7 are H, halogen, alkyl alkoxy, etc.; Z is N-R8 or formula II (R8 is H, hydroxyl, substd. alkyl, etc.; R9 is H, halogen, cyano, etc.; R10 is formyl, cyano, etc.)]; for example, 2-(4,6-dimethoxypyriquizine-2-il-oxy)-1-napthoaldehydephenyl hydrazone. The compd. is obtd. by bringing the carbonyl compd. corresponding to formula III and the amino compd. or methylene compd. of the formula H2Z into reaction at 0 to 150°C in a solvent (toluene) in the presence of a reaction assistant (e.g.; ammonium acetate) at need.


Inventors:
MAAKU UIRUHERUMU DORUUSU
MIHIYAERU HAUKU
KURAUSU RIYURUSEN
HANSUUYOAHIMU ZANTERU
ROBERUTO AARU SHIYUMITSUTO
Application Number:
JP10208891A
Publication Date:
September 09, 1992
Filing Date:
April 05, 1991
Export Citation:
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Assignee:
BAYER AG
International Classes:
A01N43/54; A01N51/00; C07D239/34; C07D239/42; C07D239/60; C07D401/12; C07D405/12; (IPC1-7): A01N43/54; C07D239/34; C07D239/42; C07D239/60; C07D401/12; C07D405/12
Attorney, Agent or Firm:
Heiyoshi Odashima