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Amidines

Assignee: Beecham Group PLC
•
Filing: 1984-02-16
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Granted: 1986-06-24
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Expires: 2004-02-16
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Abstract

Abstract A compound of formula (I): ##STR1## or a salt thereof wherein R 1 is halogen, C 1-4 alkyl or C 1-4 alkoxy R 2 is hydrogen, halogen, C 1-4 alkyl or C 1-4 alkoxy R 3 and R 4 are the same or different and each is hydrogen, C 1-4 alkyl or acyl and R 5 is either (i) ##STR2## wherein R 6 , R 7 and R 8 are the same or different and each is selected from hydrogen, halogen, alkyl, alkoxy, hydroxy, hydroxyalkyl, alkoxyalkyl, mercapto, mercaptoalkyl, amino, aminoalkyl, nitro, cyano, carboxy or a salt, ester or amide of carboxy provided that at least one of R 6 , R 7 and R 8 is other than hydrogen or (ii) ##STR3## wherein R 9 , R 10 and R 11 are the same or different and each is selected from hydrogen, halogen, alkyl, alkoxy, hydroxy, hydroxyalkyl, alkoxyalkyl, mercapto, mercaptoalkyl, amino, aminoalkyl, nitro, cyano, carboxy or a salt, ester or amide of carboxy and X is --CH 2 -- or --CH═CH-- or (iii) ##STR4## wherein R 12 and R 13 are the same or different and each is selected from hydrogen, halogen, alkyl, alkoxy, hydroxy, hydroxyalkyl, alkoxyalkyl, mercapto, mercaptoalkyl, amino, aminoalkyl, nitro, cyano, carboxy or a salt, ester or amide of carboxy and Y is a bond or --CH 2 --.

Inventors

  • 👤 Peter M. Newsome
  • 👤 Lee J. Beeley
  • 👤 Stephen F. Moss
  • 👤 Geoffrey H. Baker

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-07 04:09
CPC Classifications
C; C07; C07D; C07D409/00; C07D409/02; C07D409/12; A; A61; A61P; A61P1/00; A61P1/12; C07D233/00; C07D233/04; C07D233/28; C07D233/44; C07D233/50

Claims Analysis

Total Claims: 8
Claim 1
Independent Claim 280 words
A compound of formula (I): ##STR31## or an acid addition salt thereof wherein R 1 is halogen, C 1-4 alkyl or C 1-4 alkoxy R 2 is hydrogen, halogen, C 1-4 alkyl or C 1-4 alkoxy R 3 and R 4 are the same or different and each is hydrogen, C 1-4 alkyl or acyl wherein the acyl group is the residue of an alkanoic acid and R 5 is either (i) ##STR32## wherein R 6 , R 7 and R 8 are the same or different and each is selected from hydrogen, halogen, alkyl, alkoxy, hydroxy, hydroxyalkyl, alkoxyalkyl, mercapto, mercaptoalkyl, --NH 2 , aminoalkyl, nitro, cyano, carboxy or an alkali metal, alkaline earth metal, or ammonium salt, alkyl, phenyl, or benzyl ester or unsubstituted amides and mono--or di-alkylamides of carboxy provided that at least one of R 6 , R 7 and R 8 is other than hydrogen or (ii) ##STR33## wherein R 9 , R 10 and R 11 are the same or different and each is selected from hydrogen, halogen, alkyl, alkoxy, hydroxy, hydroxyalkyl, alkoxyalkyl, mercapto, mercaptoalkyl, --NH 2 , aminoalkyl, nitro, cyano, carboxy or an alkali metal, alkaline earth metal, or ammonium salt, alkyl, phenyl, or benzyl ester or unsubstituted amides and mono--or di--alkylamides of carboxy and X is--CH 2 --or--CH═CH--or (iii) ##STR34## wherein R 12 and R 13 are the same or different and each is selected from hydrogen, halogen, alkyl, alkoxy, hydroxy, hydroxyalkyl, alkoxyalkyl, mercapto, mercaptoalkyl, --NH 2 , aminoalkyl, nitro, cyano, carboxy or an alkali metal, alkaline earth metal, or ammonium salt, alkyl, phenyl, or benzyl ester or unsubstituted amides and mono--or di-alkylamides of carboxy and Y is a bond or--CH 2 --.
Claim 2
Dependent Claim 280 words
A compound of formula (I): ##STR31## or an acid addition salt thereof wherein R 1 is halogen, C 1-4 alkyl or C 1-4 alkoxy R 2 is hydrogen, halogen, C 1-4 alkyl or C 1-4 alkoxy R 3 and R 4 are the same or different and each is hydrogen, C 1-4 alkyl or acyl wherein the acyl group is the residue of an alkanoic acid and R 5 is either (i) ##STR32## wherein R 6 , R 7 and R 8 are the same or different and each is selected from hydrogen, halogen, alkyl, alkoxy, hydroxy, hydroxyalkyl, alkoxyalkyl, mercapto, mercaptoalkyl, --NH 2 , aminoalkyl, nitro, cyano, carboxy or an alkali metal, alkaline earth metal, or ammonium salt, alkyl, phenyl, or benzyl ester or unsubstituted amides and mono--or di-alkylamides of carboxy provided that at least one of R 6 , R 7 and R 8 is other than hydrogen or (ii) ##STR33## wherein R 9 , R 10 and R 11 are the same or different and each is selected from hydrogen, halogen, alkyl, alkoxy, hydroxy, hydroxyalkyl, alkoxyalkyl, mercapto, mercaptoalkyl, --NH 2 , aminoalkyl, nitro, cyano, carboxy or an alkali metal, alkaline earth metal, or ammonium salt, alkyl, phenyl, or benzyl ester or unsubstituted amides and mono--or di--alkylamides of carboxy and X is--CH 2 --or--CH═CH--or (iii) ##STR34## wherein R 12 and R 13 are the same or different and each is selected from hydrogen, halogen, alkyl, alkoxy, hydroxy, hydroxyalkyl, alkoxyalkyl, mercapto, mercaptoalkyl, --NH 2 , aminoalkyl, nitro, cyano, carboxy or an alkali metal, alkaline earth metal, or ammonium salt, alkyl, phenyl, or benzyl ester or unsubstituted amides and mono--or di-alkylamides of carboxy and Y is a bond or--CH 2 --.
Claim 3
Dependent Claim 11 words
A compound according to claim 1 and having formula (IA) ##STR35##
Claim 4
Dependent Claim 11 words
A compound according to claim 1 and having formula (1B) ##STR36##
Claim 5
Dependent Claim 27 words
A compound according to claim 1 and selected from 2-[4-(4-Chlorobenzamidino)-2,6-dichlorophenylimino]imidazolidine 2-[4-(4-Methylbenzamidino)-2,6-dichlorophenylimino]imidazolidine 2-[2,6-Dichloro-4-(4-fluorobenzamidino)phenylimino]imidazolidine 2-[4-(4-Bromobenzamidino)-2,6-dichlorophenylimino]imidazolidine 2-[4-(4-Chlorobenzamidino)-2,6-dimethylphenylimino]imidazolidine 2-[4-(2-Fluorobenzamidino)-2,6-dichlorophenylimino]imidazolidine 2-[4-(2,6-Dichlorobenzamidino)-2,6-dichlorophenylimino]imidazolidine 2-[4-(2-Thenamidino)-2,6-dichlorophenylimino]imidazolidine 2-[4-Cinnamidino-2,6-dichlorophenylimino]imidazolidine 2-[4-(4-Fluorobenzylamidino)-2,6-dichlorophenylimino]imidazolidine 2-[2-Chloro-5-(3-thiopheneacetamidino)phenylimino]imidazolidine and 2-[2-Chloro-5-(4-fluorobenzamidino)phenylimino]imidazolidine and acid addition salts thereof.
Claim 6
Dependent Claim 31 words
A pharmaceutical or veterinary composition comprising an anti-diarrhoeal or anti-scour effective amount of a compound of formula (I) as defined in claim 1 and a pharmaceutically or veterinarily acceptable carrier therefor.
Claim 7
Dependent Claim 11 words
A composition as claimed in claim 5 in unit dosage form.
Claim 8
Dependent Claim 38 words
A method for treating diarrhoea or scours in human and non-human animals comprising administering an anti-diarrhoeal or anti-scour effective, non-toxic amount of a compound as defined in claim 1 to a human or non-human animal in need thereof.

References Cited (Backward Citations)

US4036972A Cited
US4100292A Cited
US4215133A Cited
EP0043659A1 Cited
US4450170A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1989-06-23 1989-12-23 1990-06-24 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1993-06-23 1993-12-23 1994-06-24 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1997-06-23 1997-12-23 1998-06-24 $7700.00 Window Closed / Lapsed

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