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Title:
PHENOXYACETIC ACID DERIVATIVE
Document Type and Number:
Japanese Patent JP3487415
Kind Code:
B2
Abstract:

PROBLEM TO BE SOLVED: To obtain the subject new compound capable of binding to arachidonic acid cascade receptors, having a blood platelet coagulation-inhibiting action and useful for treating thrombosis, arteriosclerosis, or the like.
SOLUTION: A compound of formula I [A is a group of formula II (R9 is H, phenyl or the like; (m) is 1-3) or the like; T is a single bond, a 1-6C alkylene, a 2-6C alkenylene or the like; D is CO2R10, CONR11R12 (R10 is H, a 1-12C alkyl; R11, R12 are each H, a 1-4C alkyl or the like); R13 is H, a 1-4C alkyl, an alkoxy, nitro or the like], preferably 3-[3-(4-diphenylmethylpyrrazol-1-yl) propyl]phenoxyacetic acid. The compound of formula I is obtained by reacting a compound of formula III (R10a is methyl or ethyl) with a compound of the formula: R2-ONH2 (R2 is phenyl or the like) in an inert organic solvent such as tetrahydrofuran at 0-70°C and subsequently reducing the obtained compound with a reducing agent such as sodium borohydride in the presence of an acid such as hydrochloric acid at 0-70°C.


Inventors:
Nobuyuki Hamanaka
Kanji Takahashi
Hidemon Tokumoto
Application Number:
JP21527999A
Publication Date:
January 19, 2004
Filing Date:
February 25, 1993
Export Citation:
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Assignee:
Ono Pharmaceutical Co., Ltd.
International Classes:
A61K31/15; A61K31/16; A61K31/17; A61K31/185; A61K31/19; A61K31/215; A61K31/255; A61K31/27; A61K31/41; A61K31/415; A61K31/4164; A61K31/42; A61K31/421; A61K31/4245; A61K31/425; A61K31/4427; A61K31/4439; A61P1/04; A61P7/02; A61P9/08; A61P9/10; A61P9/12; A61P43/00; C07C49/255; C07C59/68; C07C69/708; C07C69/712; C07C69/716; C07C69/734; C07C69/736; C07C233/11; C07C235/34; C07D249/04; C07C235/38; C07C239/20; C07C243/18; C07C243/32; C07C251/16; C07C251/38; C07C251/40; C07C251/74; C07C251/80; C07C251/86; C07C255/37; C07C259/06; C07C259/14; C07C311/13; C07C311/17; C07C311/25; C07C311/27; C07C335/04; C07D213/53; C07D231/12; C07D233/64; C07D249/06; C07D261/06; C07D261/08; C07D263/32; C07D271/06; C07D275/02; C07D275/03; C07D401/06; C07D401/10; (IPC1-7): C07D231/12; A61K31/425; A61K31/4439; C07C233/11; C07C243/18; C07C243/32; C07C251/38; C07C251/40; C07C251/74; C07C251/80; C07C251/86; C07C311/13; C07C311/17; C07C311/27; C07C335/04; C07D233/64; C07D249/04; C07D249/06; C07D261/06; C07D261/08; C07D263/32; C07D271/06; C07D275/03; C07D401/10
Domestic Patent References:
JP55100368A
JP5528927A
Other References:
【文献】米国特許4956379(US,A)
Attorney, Agent or Firm:
Landlord Kunihisa