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Title:
NOVEL BIQUINOLINE DERIVATIVE AND ITS PRODUCTION
Document Type and Number:
Japanese Patent JPH0363261
Kind Code:
A
Abstract:

NEW MATERIAL:A compound of formula I (R is alkyl; Y1-Y6 are each H, alkyl, alkoxy or halogen).

EXAMPLE: 2-Methyl-1,2-dihydro-2,2,-biqninolyl.

USE: Useful as a photosensitizer, chelating agent, base catalyst, etc.; or as an intermediate for various kinds of pharmaceuticals, pesticides, dyes, etc.

PREPARATION: The objective compound of the formula I can be obtained by reaction between a biquinolyl of formula II and a Grignard reagent of formula RMgX (X is halogen) in an aprotic solvent (e.g. diethyl ether) at room temperature for several to several tens minutes. Equimolar or somewhat excess amount of the Grignard reagent, based on the biquinolyl, is used. Alternatively, the present compound can also be obtained by reaction between a 2-quinolylsulfoxide of formula III (R1 is alkyl, alkenyl or aralkyl) and two molar times or more of the Grignard reagent mentioned above.


Inventors:
WAKABAYASHI SHOJI
UENISHI JUNICHI
DAIKYO SHIGERU
Application Number:
JP20006089A
Publication Date:
March 19, 1991
Filing Date:
August 01, 1989
Export Citation:
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Assignee:
WAKO PURE CHEM IND LTD
International Classes:
G03F7/004; A01N43/42; B01J31/02; C07B49/00; C07D215/06; C07D215/18; C07D215/20; C07D215/36; (IPC1-7): A01N43/42; B01J31/02; C07B49/00; C07D215/06; C07D215/18; C07D215/20; C07D215/36; G03F7/004
Attorney, Agent or Firm:
Junji Hirai