Organic compounds -- part of the class 532-570 series – Organic compounds – Four or more ring nitrogens in the bicyclo ring system
Patent
1997-08-25
1998-09-15
Shah, Mukund J.
Organic compounds -- part of the class 532-570 series
Organic compounds
Four or more ring nitrogens in the bicyclo ring system
544239, C07D23730, C07D40100, C07D40300, C07D40500
Patent
active
058080651
ABSTRACT:
Disclosed is a pyridazinone compound represented by the formula (I): ##STR1## wherein X represents hydrogen atom or the like; Y represents a single bonding arm, oxygen atom or sulfur atom; A represents a straight or branched alkylene group which may have a double bond;
REFERENCES:
patent: 4820705 (1989-04-01), Nickl et al.
patent: 4921856 (1990-05-01), Schickaneder et al.
patent: 5409956 (1995-04-01), Yoshida et al.
Ishida Akihiko
Nishiyama Shinsuke
Okumura Fumikazu
Yamada Harutami
Yato Michihisa
Kifle Bruck
Shah Mukund J.
Tanabe Seiyaku Co. Ltd.
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