Bicyclic amine derivatives

Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Having -c- – wherein x is chalcogen – bonded directly to...

Reexamination Certificate

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Details

C546S112000, C546S124000, C546S183000, C514S304000

Reexamination Certificate

active

06174894

ABSTRACT:

This invention relates to novel bicyclic amine derivatives, to processes for preparing them, to insecticidal compositions comprising and to methods of using them to combat and control insect pests.
The invention provides a compound of formula (I):
wherein Ar is optionally substituted phenyl or optionally substituted 5-or 6-membered heterocyclic ring containing from 1 to 3 heteroatoms individually selected from nitrogen, oxygen and sulfur atoms, and at least one unsaturation (double bond) between adjacent atoms in the ring, said heterocyclic ring being optionally fused to a benzene ring, wherein the substutuents, if present, are selected from halogen atoms, cyano, alkyl, alkenyl, alkynyl, alkoxy, haloalkyl, haloalkenyl, alkylthio and alkyl amino groups; R represents hydrogen or cyano or a group selected from alkyl, aryl, heteroaryl, aralkyl, heteroarylalkyl, alkenyl, aralkenyl, alkynyl, alkoxycarbonyl, alkanesulfonyl, arenesulfonyl, alkenyloxycarbonyl, aralkyloxycarbonyl, aryloxycarbonyl, heterocyclylalkyl, carbamyl, dithiocarboxyl or XR
3
(where X represents oxygen or a group NR
4
), provided that when R is alkenyl, aralkenyl or alkynyl said group does not have an unsaturated carbon atom bonding directly to the ring nitrogen of formula (I); R
3
and R
4
are, independently, hydrogen, alkyl, aryl, heteroaryl, aralkyl, heteroarylalkyl, alkenyl, aralkenyl, alkynyl, heterocyclylalkyl, alkoxycarbonyl or carboxylic acyl; alkyl moieties of R, R
3
and R
4
comprise from 1 to 15 carbon atoms, and are optionally substituted with one or more substituents selected from halogen, cyano, carboxyl, carboxylic acyl, carbamyl, alkoxycarbonyl, alkoxy, alkylenedioxy, hydroxy, nitro, amino, acylamino, imidate and phosphonato groups; aryl, heteroaryl, aralkyl, heteroarylalkyl, alkenyl, aralkenyl, alkynyl, alkoxycarbonyl, alkanesulfonyl, arenesulfonyl, alkanyloxycarbonyl, aralkyloxycarbonyl, aryloxycarbonyl, heterocyclylalkyl, carbamyl or dithiocarboxyl moieties of R, R
3
and R
4
comprise from 1 to 15 carbon atoms, and are optionally substituted with one or more substituents selected from, halogen, cyano, carboxyl, carboxylic acyl, carbamyl, alkoxycarbonyl, alkoxy, alkylenedioxy, hydroxy, nitro, haloalkyl, alkyl, amino, acylamino, imidate and phosphonato groups; R
1
represents hydrogen, hydroxy, alkyl, alkoxy, amino, nitro, isocyanato, acylamino, hydroxyalkyl, optionally substituted heteroaryl, alkoxyalkyl, haloalkyl, halohydroxyalkyl, aralkyloxyalkyl, acyloxyalkyl, amidoximido, sulfonyloxyalkyl, aminoalkyl, alkoxycarbonylamino, acylaminoalkyl, cyanoalkyl, imino, formyl, acyl or carboxylic acid or an ester or amide thereof, or alkenyl or alkynyl either of which is optionally substituted by halogen, alkoxy, cycloalkyl, optionally substituted aryl, optionally substituted heteroaryl or cyano; or an acid addition salt, quaternary ammonium salt or N-oxide derived therefrom.
It will be appreciated that the bicyclic amine compounds of formula (I) are capable of existing in more than one isomeric form since the groups Ar and R
1
may be positioned in either an exo or endo relationship, and the present invention embraces within its scope both exo and endo forms and mixtures thereof in all proportions and also any further isomeric variants arising from cis and trans substitution patterns or chiral centres present in either of Ar, R or R
1
.
Examples of 5- and 6-membered heterocyclic ring systems represented by Ar include those based on pyridine, pyrazine, pyridazine, pirimidine, pyrrole, pyrazole, imidazole, 1,2,3- and 1,2,4-triazoles, furan, thiophene, oxazole, isoxazole, thiazole, isothiazole, 1,2,3- and 1,3,4-oxadiazoles, and 1,2,3- and 1,3,4-thiadiazoles, and partially reduced containing one double bond derived from these, as well as those based on oxathiole, dioxole, and dithiole rings containing one double bond. Preferably Ar represents a halo-substituted phenyl, pyridyl or diazinyl group.
When Ar is a 5- or 6- membered hererocyclic ring fused to a benzene ring then it is preferably benzoxazole, indole, benzofuran, benzothiophen or benzimidazole.
Halogen includes fluorine, chlorine, bromine and iodine.
Alkyl moieties preferably contain from 1 to 6, more preferably from 1 to 4, carbon atoms. They can be in the form of straight or branched chains, for example methyl, ethyl, n- or iso-propyl, or n-, sec-, iso- or tert-butyl.
Haloalkyl is preferably C
1-6
haloalkyl, especially fluoroalkyl (for example trifluoromethyl, 2,2,2-trifluoroethyl or 2,2-difluoroethyl) or chloroalkyl. For R, haloalkyl is preferably C
2-6
haloalkyl wherein there is no halogen on the a-carbon (for example 2,2,2-trifluoroethyl or 2,2-difluoroethyl).
Alkenyl and alkynyl moieties of R
1
and substituents of Ar preferably contain from 2 to 6, more preferably from 2 to 4, carbon atoms. They can be in the form of straight or branched chains, and, where appropriate, the alkenyl moieties can be of either (E)- or (Z)-configuration. Examples are vinyl, allyl and propargyl.
Aryl includes naphthyl but is preferably phenyl.
Heteroaryl includes 5- and 6-membered aromatic rings containing one, two, three or four heteroatoms selected from the list comprising oxygen, sulphur and nitrogen and can be fused to benzenoid ring systems. Examples of heteroaryl are pyridinyl, pyrimidinyl, pyridazinyl, pyrazinyl, triazinyl (1,2,3-, 1,2,4- and 1,3,5-), furyl, thienyl, pyrrolyl, pyrazolyl, imidazolyl, triazolyl (1,2,3- and 1,2,4-), tetrazolyl, oxazolyl, isoxazolyl, thiazolyl, isothiazolyl, oxadiazolyl, thiadiazolyl, quinolinyl, isoquinolinyl, cinnolinyl, quinazolinyl, quinoxalinyl, indolinyl, isoindolinyl, benzofuranyl, benzothienyl and benzimidazolinyl.
The heterocyclyl part of heterocyclylalkyl is a ring containing one or two heteroatoms, selected from the list comprising oxygen, sulphur and nitrogen. Examples are piperidine, piperazine, pyrrolidine, tetrahydrofuran, morpholine, thietane, pyridine or thiazole.
The alkylenedioxy group is a substituent for a ring and is especially C
1-4
alkylenedioxy. Alkylenedioxy groups are optionally substituted with halogen (especially flourine) and are, for example, methylenedioxy (OCH
2
O) or difluoromethylenedioxy (OCF
2
O).
Suitable acid addition salts include those with an inorganic acid such as hydrochloric, hydrobromic, sulfuric, nitric and phosphoric acids, or an organic carboxylic acid such as oxalic, tartaric, lactic, butyric, toluic, hexanoic and phthalic acids, or sulphonic acids such as methane, benzene and toluene sulphonic acids. Other examples of organic carboxylic acids include haloacids such as trifluoroacetic acid.
In one particular aspect the present invention provides a compound of formula (I), wherein Ar is optionally substituted phenyl or optionally substituted 5-or 6-membered heterocyclic ring containing from 1 to 3 heteroatoms individually selected from nitrogen, oxygen and sulfur atoms, and at least one unsaturation (double bond) between adjacent atoms in the ring, said heterocyclic ring being optionally fused to a benzene ring, wherein the substutuents, if present, are selected from halogen atoms, cyano, alkyl (especially C
1-4
alkyl), alkenyl (especially C
2-4
alkenyl), alkynyl (especially C
2-4
alkynyl), alkoxy (especially C
1-4
alkoxy), haloalkyl (especially C
1-4
haloalkyl), haloalkenyl (especially C
2-4
haloalkenyl), alkylthio (especially C
1-4
alkylthio), and alkyl amino (especially mono- or di- (C
1-4
alkyl)amino, such as mono- or di- (C
1-3
alkyl)amino) groups; R represents hydrogen or cyano or a group selected from alkyl (especially C
1-4
alkyl), aryl (especially phenyl), heteroaryl (especially pyridinyl or pyrimidinyl), aralkyl (especially aryl(C C
1-4
)alkyl, such as phenyl(C
1-4
) alkyl), heteroarylalkyl (especially heteroaryl(C
1-4
)such as pyridinyl(C
1-4
)alkyl or pyrimidinyl(C
1-4
)alkyl), alkenyl (especially C
3-4
alkenyl), aralkenyl (especially aryl(C
3-4
)alkenyl, such as phenyl(C
3-4
)alkenyl), alkynyl (especially C
3-4
alkynyl), alkoxycarbonyl (especially C
1-4
alkoxycarbonyl), alkanesulfonyl (especially C
1-4
alkylsulfonyl), arenesulfonyl (especially p

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