EP1379500A2 - Verfahren zur herstellung von 2,5-bisaryl-delta1-pyrrolinen aus aroylpyrrolidinonen - Google Patents

Verfahren zur herstellung von 2,5-bisaryl-delta1-pyrrolinen aus aroylpyrrolidinonen

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Publication number
EP1379500A2
EP1379500A2 EP02737924A EP02737924A EP1379500A2 EP 1379500 A2 EP1379500 A2 EP 1379500A2 EP 02737924 A EP02737924 A EP 02737924A EP 02737924 A EP02737924 A EP 02737924A EP 1379500 A2 EP1379500 A2 EP 1379500A2
Authority
EP
European Patent Office
Prior art keywords
alkyl
fluorine
formula
chlorine
list
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP02737924A
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German (de)
English (en)
French (fr)
Inventor
Udo Kraatz
Andrew Plant
Ernst Kysela
Albrecht Marhold
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bayer CropScience AG
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Bayer CropScience AG
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Filing date
Publication date
Priority claimed from DE10133929A external-priority patent/DE10133929A1/de
Application filed by Bayer CropScience AG filed Critical Bayer CropScience AG
Publication of EP1379500A2 publication Critical patent/EP1379500A2/de
Withdrawn legal-status Critical Current

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D207/00—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom
    • C07D207/02—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom
    • C07D207/18—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having one double bond between ring members or between a ring member and a non-ring member
    • C07D207/20—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having one double bond between ring members or between a ring member and a non-ring member with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to ring carbon atoms

Definitions

  • the present invention relates to a new process for the preparation of 2,5-bis-aryl- ⁇ 1 -pyrrolines.
  • R 1 represents halogen, cyano, nitro, alkyl, alkoxy, haloalkyl, haloalkoxy, alkoxyalkyl or -S (O) 0 R 6 ,
  • R 2 and R 3 independently of one another represent hydrogen, halogen, cyano, nitro, alkyl, alkoxy, haloalkyl, haloalkoxy, alkoxyalkyl or -S (O) 0 R 6 ,
  • R 4 for halogen or one of the following groupings (1) -XA (m) -BZD (n) -YE
  • R 5 represents hydrogen, halogen, hydroxy, cyano, alkyl, alkylcarbonyl, alkoxy, haloalkyl, haloalkoxy, trialkylsilyl, alkoxycarbonyl, -CONR 7 R 8 , -OSO 2 NR7R8 or -S (O) 0 R 6 ,
  • X for a direct bond, O (oxygen), S (O) 0 , NR 6 , carbonyl, carbonyloxy, oxycarbonyl, oxysulfonyl (OSO2), alkylene, alkenylene, alkynylene, alkyleneoxy, oxyalkylene, oxyalkyleneoxy, thioalkylene, cyclopropylene or oxira - nylene stands,
  • a for each phenyl, naphthyl or tetrahydronaphthyl which is optionally mono- or polysubstituted by radicals from the list W 1 or for each 5- or 10-membered, saturated or unsaturated heterocyclyl with one or more which is monosubstituted or polysubstituted by radicals from the list W 2 Heteroatoms from the series nitrogen, oxygen and sulfur,
  • B represents p-phenylene which is optionally mono- or disubstituted by radicals from the list W 1 , Z represents (CH 2 ) n , O (oxygen) or S (O) 0 ,
  • D represents hydrogen, alkyl, alkenyl, alkynyl, haloalkyl, haloalkenyl, alkoxycarbonyl, haloalkylsulfonyl or dialkylaminosulfonyl,
  • Y represents a direct bond, O (oxygen), S (sulfur), SO 2 , carbonyl, carbonyloxy, oxycarbonyl, alkylene, alkenylene, alkynylene, haloalkylene, haloalkenylene, alkyleneoxy, oxyalkylene, oxyalkyleneoxy or thioalkylene,
  • n 0, 1, 2, 3 or 4
  • o 0, 1 or 2
  • R 6 represents hydrogen, alkyl or haloalkyl
  • R 7 and R 8 independently of one another represent hydrogen, alkyl, haloalkyl or together represent alkylene, alkoxyalkylene or alkylthioalkylene, where the compounds of the formula (I) may be present in different compositions depending on the type and number of the substituents as geometric and / or optical isomers, regioisomers or configuration isomers or their isomer mixtures,
  • Ar 1 and Ar 2 have the meanings given above,
  • 2,5-bisaryl- ⁇ 1 -pyrrolines of the formula (I) can be prepared by the process according to the invention in a smooth reaction without disruptive side reactions, with high yields and high purity.
  • Formula (II) provides a general definition of the amides required as starting materials when carrying out the process according to the invention.
  • Ar 1 preferably represents the rest
  • Ar 2 preferably represents the rest
  • R 1 preferably represents halogen, cyano, nitro, C Cg-alkyl, C Cg-alkoxy, Cj-C 6 -haloalkyl, C ⁇ Cg-haloalkoxy, Cj-Cg-alkoxyalkyl or -S (O) 0 R 6 .
  • R 2 and R 3 independently of one another preferably represent hydrogen, halogen, cyano, nitro, C r C 6 alkyl, C r C 6 alkoxy, C r C 6 haloalkyl, C r C 6 haloalkoxy, C r C 6 alkoxy-C r C 6 alkyl or -S (O) 0 R 6 .
  • R 4 preferably represents fluorine, chlorine, bromine, iodine or one of the following groups (1) -XA
  • R 5 preferably represents hydrogen, halogen, hydroxy, cyano, Cj-Cg-alkyl, C j -Cg-alkylcarbonyl, C ⁇ Cg-alkoxy, C ⁇ -C 6 -haloalkyl, C j -Cg-haloalkoxy, tri ( C r C 6 alkyl) silyl, C r C 6 alkoxycarbonyl, -CONR 7 R 8 , -OSO 2 NR 7 R 8 or -S (O) 0 R 6 .
  • X preferably represents a direct bond, O (oxygen), S (O) 0 , NR 6 , carbonyl, carbonyloxy, oxycarbonyl, oxysulfonyl (OSO 2 ), C 1 -C 4 alkylene, C -
  • A preferably represents in each case optionally mono- to tetrasubstituted by radicals from the list W 1 is substituted phenyl, naphthyl or tetrahydronaphthyl, or in each case optionally mono- to tetrasubstituted by radicals from the list W 2 is substituted 5- to 10-membered, 1 or 2 aromatic rings containing heterocyclyl with 1 to 4 heteroatoms, combined from 0 to 4 nitrogen atoms, 0 to 2 oxygen atoms and / or 0 to 2 sulfur atoms (in particular tetrazolyl, furyl, benzofuryl, thienyl, benzothienyl, pyrrolyl,
  • B preferably represents p-phenylene which is optionally mono- or disubstituted by radicals from the list W 1 .
  • Z preferably represents (CH 2 ) n , O (oxygen) or S (O) 0 .
  • D preferably represents hydrogen, C j -Cg-alkyl, C j -C ß -alkenyl, C 2 -C ⁇ -alkynyl, CpCg-haloalkyl, C -C 6 -halogenalkenyl, C Cg-alkoxycarbonyl, Cj-C 6 -
  • Haloalkylsulfonyl or di (-C 6 alkyl) aminosulfonyl are Haloalkylsulfonyl or di (-C 6 alkyl) aminosulfonyl.
  • Y preferably represents a direct bond, O (oxygen), S (sulfur), SO 2 , carbonyl, carbonyloxy, oxycarbonyl, Cj-Cg-alkylene, C 2 -C 6 -alkenylene, C 2 - C 6 -alkinylene, C j -C 6 haloalkylene, C 2 -C 6 haloalkenylene, lenoxy, -C-C 4 -oxyalkylene, C ⁇ ⁇ C 4 -oxyalkyleneoxy or thio-C ⁇ -C 4 alkylene.
  • E preferably represents hydrogen, Ci-Cg-alkyl, C -Cg-alkenyl, C 2 -C -alkynyl,
  • C 1 -C 6 haloalkyl C 2 -C 6 haloalkenyl, C 1 -C 6 haloalkylsulfonyl, C 3 -C 7 cycloalkyl, di (C 1 -C 6 alkyl) aminocarbonyl or di (C 1 -C 6 alkyl) aminosulfonyl ,
  • W 1 preferably represents cyano, halogen, formyl, nitro, Cj-Cg alkyl, C] ⁇ trialkylsilyl, C j -Cg- alkoxy, Cj-Cg haloalkyl, C j -CG-haloalkoxy, C 2 -C 6 -Halogenalkenyloxy, Cj-Cg-haloalkylsulfonyloxy, C j -Cg-alkylcarbonyl, C r C 6 - alkoxycarbonyl, -S (O) 0 R 6 , -SO 2 NR 7 R 8 or -OSO 2 NR 7 R 8 .
  • W 2 preferably represents cyano, halogen, formyl, nitro, C ] -C 6 alkyl, tri (C 1 -C 4 alkyl) silyl, C Cg alkoxy, C Cg haloalkyl, C j -Cg haloalkoxy, C 2 -C 6 -haloalkenyloxy, Cj-Cg-haloalkylsulfonyloxy, C Cg-alkylcarbonyl, C r C 6 - alkoxycarbonyl, -S (O) 0 R 6 , -SO 2 NR R 8 , -OSO 2 NR 7 R 8 or
  • n is preferably 0, 1, 2, 3 or 4.
  • o is preferably 0, 1 or 2.
  • R 6 preferably represents hydrogen, C j -Cg alkyl or C ⁇ -Cg haloalkyl.
  • R 7 and R 8 independently of one another preferably represent hydrogen, Cj-Cg-alkyl, C -Cg-haloalkyl, or together for C 2 -C 6 -alkylene, Ci ⁇ -alkoxy-C C -alkyl (eg morpholine) or C ⁇ -C -Alkylthio -CC-C4-alkyl (for example thiomorpholine).
  • Ar 1 particularly preferably represents the rest
  • Ar 2 particularly preferably represents the rest
  • n particularly preferably represents 1 or 2.
  • R 1 particularly preferably represents fluorine, chlorine, bromine, Cj-Cg-alkyl, C Cg-alkoxy, Ci-Cg-haloalkyl with 1 to 13 fluorine and / or chlorine atoms or C Cg-haloalkoxy with 1 to 13 fluorine - and / or chlorine atoms.
  • R 2 and R 3 independently of one another particularly preferably represent hydrogen, fluorine, chlorine, bromine, C r C 6 alkyl, C r C 6 alkoxy, C 1 -C 6 haloalkyl having 1 to 13 fluorine and / or chlorine atoms or Cj-Cö-haloalkoxy with 1 to 13 fluorine and / or chlorine atoms.
  • R 4 particularly preferably represents fluorine, chlorine, bromine, iodine or one of the following groups (1) -XA (m) -BZD (n) -YE
  • R 5 particularly preferably represents hydrogen, fluorine, chlorine, bromine, hydroxy, cyano, C j -Cg alkyl, C 1 -C 6 alkylcarbonyl, C j -Cg alkoxy, C ⁇ Cg haloalkyl with 1 to 13 Fluorine and / or chlorine atoms, C j -Cg haloalkoxy with 1 to 13 fluorine and / or chlorine atoms or -S (O) 0 R 6 .
  • X particularly preferably represents a direct bond, O (oxygen), S (sulfur), SO 2 , carbonyl, carbonyloxy, oxycarbonyl, oxysulfonyl (OSO 2 ), C1-C4-alkylene, C 2 -C 4 -alkenylene, C 2 -C 4 alkynylene, C 1 -C 4 alkyleneoxy, -C4- oxyalkylene, C C4-oxyalkyleneoxy, thio -CC 4 -alkylene, cyclopropylene or
  • Residues from the list W 2 substituted 5- to 10-membered heterocyclyl containing 1 or 2 aromatic rings with 1 to 4 heteroatoms, combined from 0 to 4 nitrogen atoms, 0 to 2 oxygen atoms and / or 0 to 2 sulfur atoms (in particular tetrazolyl, furyl , Benzofuryl, thienyl, benzothienyl, pyrrolyl, indolyl, oxazolyl, benzoxazolyl, isoxazyl, imidazyl,
  • B particularly preferably represents p-phenylene which is optionally mono- or disubstituted by radicals from the list W 1 .
  • Z particularly preferably represents (CH 2 ) n , O (oxygen) or S (O) 0 .
  • D particularly preferably represents hydrogen, Cj-Cg-alkyl, C Cg-alkenyl, C 2 -
  • Y particularly preferably represents a direct bond, O (oxygen), S (sulfur), SO, carbonyl, carbonyloxy, oxycarbonyl, C 1 -C 6 -alkylene, C -Cg-alkylene, C -Cg-alkynylene, Cj- Cg-haloalkylene with 1 to 12 fluorine and / or chlorine atoms, C 2 -Cg-haloalkenylene with 1 to 10 fluorine and / or chlorine atoms, C j -C4-alkyleneoxy, C ⁇ -C4-oxyalkylene, or thio-C i -C4 alkylene.
  • E particularly preferably represents hydrogen, C j -CG alkyl, C 2 -CG-alkenyl, C 2 -Cg- alkynyl, C j -CG-halogenoalkyl having 1 to 13 fluorine and / or chlorine atoms, C -CG haloalkenyl with 1 to 11 fluorine and / or chlorine atoms, C ⁇ -Cg-haloalkylsulfonyl with 1 to 13 fluorine and / or chlorine atoms, C3-Cg-cycloalkyl, di (C ⁇ -Cg-alkyl) aminocarbonyl or di (C Cg-alkyl) aminosulfonyl.
  • W 1 particularly preferably represents fluorine, chlorine, bromine, C 1 -C 4 -alkyl, C 1 -C 4 -alkoxy, C 1 -C 4 -haloalkyl having 1 to 9 fluorine and / or chlorine atoms, C1-C4-haloalkoxy having 1 to 9 fluorine and / or chlorine atoms, C 1 -C 4 -alkylcarbonyl, C r C 4 -alkoxycarbonyl, -SO 2 NR 7 R 8 or -S (O) 0 R 6 .
  • W 2 particularly preferably represents fluorine, chlorine, bromine, C C4-alkyl, C1-C4-alkoxy, C! -C4-haloalkyl with 1 to 9 fluorine and / or chlorine atoms, 0 ⁇ 04-haloalkoxy with 1 to 9 fluorine - and / or chlorine atoms, C 2 -C 6 haloalkylene with 1 to 11 fluorine and / or chlorine atoms, C j ⁇ alkylcarbonyl, C r C 4 alkoxycarbonyl, -SO 2 NR 7 R 8 or -S ( O) 0 R 6 .
  • n is particularly preferably 0, 1, 2 or 3.
  • o particularly preferably represents 0, 1 or 2.
  • R 6 particularly preferably represents C j -CG alkyl or represents in each case 1 to 5 fluorine and / or chlorine atoms substituted methyl or ethyl.
  • R 7 and R 8 independently of one another particularly preferably represent hydrogen, CC-alkyl, C 1 -C -haloalkyl having 1 to 9 fluorine, chlorine and / or bromine atoms, or together for - (CH 2 ) 5-, - ( CH 2 ) 4-, - (CH) 2 -O- (CH 2 ) 2 - or - (CH 2 ) 2 -S- (CH 2 ) 2 -.
  • Ar 1 very particularly preferably represents the rest
  • Ar 2 very particularly preferably represents the rest
  • R 1 very particularly preferably represents fluorine, chlorine, bromine, methyl, ethyl, n-propyl, i-propyl, n-butyl, i-butyl, s-butyl, t-butyl, methoxy, ethoxy, n-propoxy, i Propoxy, n-butoxy, i-butoxy, s-butoxy, t-butoxy, trifluoromethyl or trifluoromethoxy.
  • R 2 and R 3 independently of one another very particularly preferably represent hydrogen, fluorine, chlorine, bromine, methyl, ethyl, n-propyl, i-propyl, n-butyl, i-butyl, s-butyl, t-butyl, methoxy, Ethoxy, n-propoxy, i-propoxy, n-butoxy, i-butoxy, s-butoxy, t-butoxy, trifluoromethyl or trifluoromethoxy.
  • R 4 very particularly preferably represents fluorine, chlorine, bromine or one of the following groupings (1) -XA (m) -BZD (n) -YE
  • R 5 very particularly preferably represents hydrogen, fluorine, chlorine, bromine, hydroxy, methyl, ethyl, methoxy, ethoxy, i-propoxy, methylthio, ethylthio, trifluoromethyl, difluoromethoxy, trifluoromethoxy, trifluoromethylthio or -SO 2 CF 3 .
  • B very particularly preferably represents p-phenylene which is optionally substituted simply by radicals from the list W 1 .
  • Z very particularly preferably represents O (oxygen), S (sulfur) or SO 2 .
  • D very particularly preferably represents hydrogen, methyl, ethyl, n-propyl, i-propyl, n-butyl, i-butyl, s-butyl, t-butyl, 2-propenyl, butenyl, propargyl,
  • E very particularly preferably represents hydrogen, methyl, ethyl, n-propyl, i-propyl, n-butyl, i-butyl, s-butyl, t-butyl, 2-propen-l-yl, butenyl, propargyl,
  • W 1 very particularly preferably represents fluorine, chlorine, bromine, methyl, ethyl, n-propyl, i-propyl, n-butyl, i-butyl, s-butyl, t-butyl, methoxy, ethoxy, n-propoxy, i -Propoxy, n-butoxy, i-butoxy, s-butoxy, t-butoxy, trifluoromethoxy, difluoromethoxy, -CF 3 , -CHF 2 , -CC1F 2 , -CF 2 CHFC1, -CF 2 CH 2 F, -CF 2 CC1 3 , -CH 2 CF 3 , -CF 2 CHFCF 3 , -CH 2 CF 2 H, -CH 2 CF 2 CF 3 , CF 2 CF 2 H, -CF 2 CHFCF 3 , -SCF 3 , -SCHF 2 , -SO 2 CHF 2
  • W 2 very particularly preferably represents fluorine, chlorine, bromine, methyl, ethyl, n-propyl, i-propyl, t-butyl, trifluoromethyl, trifluoromethoxy, difluoromethoxy, trifluoromethylthio, -COCH 3 , -SO 2 CF 3 or -SO 2 NMe 2 . -
  • Particularly preferred starting materials for the process according to the invention are the compounds of the formula (II-a) in which
  • R 1 represents halogen, methyl, methoxy, trifluoromethyl or trifluoromethoxy
  • R 2 represents hydrogen or halogen
  • R 4 represents phenyl substituted once or twice by radicals from the list W 1 or heterocyclyl substituted once or twice from the list W 2 or for the group -YE,
  • R 5 represents hydrogen or alkoxy
  • Y, E, W 1 and W 2 have the general, preferred, particularly preferred and / or very particularly preferred meanings given above.
  • R 1 represents fluorine, chlorine, methyl, methoxy, trifluoromethyl or trifluoromethoxy
  • R 2 represents hydrogen, fluorine or chlorine
  • R 4 represents phenyl substituted once or twice by radicals from the list W 1 or heterocyclyl substituted once or twice from the list W 2 or for the group -YE
  • R 5 represents hydrogen or C j -Cg alkoxy
  • Y, E, W 1 and W 2 have the general, preferred, particularly preferred and / or very particularly preferred meanings given above.
  • R 1 represents fluorine, chlorine, methyl, methoxy, trifluoromethyl or trifluoromethoxy
  • R 2 represents hydrogen, fluorine or chlorine
  • R 4 represents phenyl substituted once or twice by radicals from the list W 1 or heterocyclyl substituted once or twice from the list W 2 or for the group -YE,
  • R 5 represents hydrogen, methoxy or ethoxy
  • Y, E, W 1 and W 2 have the general, preferred, particularly preferred and / or very particularly preferred meanings given above.
  • Ar 2 , R 1 , R 2 and R 3 have the meanings given above.
  • R 1 , R 2 and R 3 have the meanings given above as being particularly preferred for these radicals.
  • Ar 1 , R 4 , R 5 and m have the meanings given above.
  • Ar 1 , R 4 , R 5 and m have the meanings given above.
  • Preferred compounds of the formulas (II-d) and (Il-e) are those in which R 1 , R 2 , R 3 and Ar 2 have the meanings given above as preferred for these radicals.
  • R 1 represents halogen, methyl, methoxy, trifluoromethyl or trifluoromethoxy
  • R 2 represents hydrogen or halogen
  • R 4 represents phenyl which is monosubstituted or disubstituted by radicals from the list W 1 or represents heterocyclyl which is monosubstituted or disubstituted by the list W 2 or the group -YE,
  • R 5 represents hydrogen or alkoxy
  • Y, E, W 1 and W 2 have the general, preferred, particularly preferred and / or very particularly preferred meanings given above.
  • R 1 represents fluorine, chlorine, methyl, methoxy, trifluoromethyl or trifluoromethoxy
  • R 2 represents hydrogen, fluorine or chlorine
  • R 4 represents phenyl substituted once or twice by radicals from the list W 1 or heterocyclyl substituted once or twice from the list W 2 or for the group -YE
  • R 5 represents hydrogen or Cj -Cg alkoxy
  • Y, E, W 1 and W 2 have the general, preferred, particularly preferred and / or very particularly preferred meanings given above.
  • R 1 represents fluorine, chlorine, methyl, methoxy, trifluoromethyl or trifluoromethoxy
  • R 2 represents hydrogen, fluorine or chlorine
  • R 4 represents phenyl which is monosubstituted or disubstituted by radicals from the list W 1 or represents heterocyclyl which is monosubstituted or disubstituted by the list W 2 or the group -YE,
  • R 5 represents hydrogen, methoxy or ethoxy
  • Y, E, W 1 and W 2 have the general, preferred, particularly preferred and / or very particularly preferred meanings given above.
  • Particularly preferred starting materials for the process according to the invention are the compounds of the formula (II-g) in which
  • R 1 represents halogen, methyl, methoxy, trifluoromethyl or trifluoromethoxy
  • R 4 represents phenyl which is monosubstituted or disubstituted by radicals from the list W 1 or represents heterocyclyl which is monosubstituted or disubstituted by the list W 2 or the group -YE,
  • R 5 represents hydrogen or alkoxy
  • Y, E, W 1 and W 2 have the general, preferred, particularly preferred and / or very particularly preferred meanings given above.
  • R 1 represents fluorine, chlorine, methyl, methoxy, trifluoromethyl or trifluoromethoxy
  • R 4 represents phenyl which is monosubstituted or disubstituted by radicals from the list W 1 or represents heterocyclyl which is monosubstituted or disubstituted by the list W 2 or the group -YE,
  • R 5 represents hydrogen or C j -C 6 alkoxy
  • R 1 represents fluorine, chlorine, methyl, methoxy, trifluoromethyl or trifluoromethoxy
  • R 4 represents phenyl which is monosubstituted or disubstituted by radicals from the list W 1 or represents heterocyclyl which is monosubstituted or disubstituted by the list W 2 or the group -YE,
  • R 5 represents hydrogen, methoxy or ethoxy
  • Y, E, W 1 and W 2 have the general, preferred, particularly preferred and / or very particularly preferred meanings given above.
  • oxyalkylene or thioalkylene stand for -O- alkyl- or -S-alkyl-, the bond, for example to Ar 2, being carried out via the oxygen or sulfur atom and, where appropriate, further substituents on the alkyl radical, such as A XA are bound.
  • Alkyleneoxy or alkylene thio are -alkyl-O- or -alkyl-S-, the binding, for example to Ar 2, taking place in each case via the alkyl radical and, where appropriate, further substituents such as A in -XA being bound to the oxygen or sulfur atom.
  • Oxyalkyleneoxy stands for -O-alkyl-O-.
  • Heterocyclyl in the present description stands for a cyclic carbon hydrogen in which one or more carbons are substituted by one or more
  • Heteroatoms are exchanged. Heteroatoms are preferably O, S, N, P, in particular O, S and N.
  • Saturated or unsaturated hydrocarbon radicals such as alkyl or alkenyl
  • heteroatoms such as, for example, in alkoxy.
  • Optionally substituted radicals can be mono- or polysubstituted, whereby in the case of multiple substitutions the substituents can be the same or different.
  • residues with the same indices such as m residues R 5 for m> 1, can be the same or different.
  • Halogen-substituted radicals e.g. Haloalkyl
  • Halogen-substituted radicals are halogenated once or several times. In the case of multiple halogenation, the halogen atoms can be the same or different.
  • Halogen stands for fluorine, chlorine, bromine or iodine, in particular for fluorine or chlorine.
  • aroylpyrrolidinones of the formula (II) required as starting materials for carrying out the process according to the invention are new. They can be made by
  • Ar 1 has the meanings given above and
  • G represents chlorine, C t -C 6 alkoxycarbonyl or -N (OCH 3 ) CH 3 ,
  • a base e.g. Lithium bis (trimethylsilyl) amide
  • a diluent for example tetrahydrofuran
  • Formula (III) provides a general definition of the lactams required as starting materials when carrying out process (a) according to the invention.
  • Ar 2 is preferred, particularly preferred or very particularly preferred for those meanings which have already been mentioned as preferred, particularly preferred, etc. for these radicals in connection with the description of the starting materials of the formula (II).
  • Lactams of the formula (111) are known. They can be made, for example, by
  • Ar 2 has the meanings given above, with di-tert-butyl dicarbonate in the presence of a base (for example dimethylamino-pyridine) and optionally in the presence of a diluent (for example dimethylformamide) (cf. Tetrahedron Letters, 1998, 39, 2705-2706).
  • a base for example dimethylamino-pyridine
  • a diluent for example dimethylformamide
  • Formula (IV) provides a general definition of the compounds required as starting materials when carrying out process (a) according to the invention.
  • Ar 1 is preferred, particularly preferred or very particularly preferred for those meanings which have already been mentioned as preferred, particularly preferred, etc. in connection with the description of the starting materials of the formula (II) for these radicals.
  • G preferably represents chlorine, methoxycarbonyl, ethoxycarbonyl, i-propoxycarbonyl, t-butoxycarbonyl or -N (OCH 3 ) CH 3 .
  • Formula (V) provides a general definition of the pyrrolidinones required as starting materials when carrying out process (b) according to the invention.
  • Ar 2 is preferred, particularly preferred or very particularly preferred for those meanings which have already been mentioned as preferred, particularly preferred, etc. for these radicals in connection with the description of the starting materials of the formula (II).
  • Pyrrolidinones of the formula (V) are known. They can be made, for example, by
  • Ar 2 has the meanings given above, with ammonia and hydrogen in the presence of a catalyst (for example Raney nickel) and optionally in the presence of a diluent (for example ethanol) under pressure or
  • a catalyst for example Raney nickel
  • a diluent for example ethanol
  • R 9 represents alkyl or alkylcarbonyl
  • Ar 2 has the meanings given above,
  • a protonic acid e.g. hydrofluoric acid
  • a Lewis acid e.g. dichloromethane
  • a diluent e.g. dichloromethane
  • Ar 2 has the meanings given above and
  • M represents Mgl, MgCl, MgBr, Li or ZnCl
  • a diluent e.g. diethyl ether, tetrahydrofuran, dioxane or anisole
  • a diluent e.g. diethyl ether, tetrahydrofuran, dioxane or anisole
  • Formula (VI) provides a general definition of the ketocarboxylic acids required as starting materials when carrying out process (c) according to the invention.
  • Ar 2 is preferred, particularly preferred or very particularly preferred for those meanings which have already been mentioned as preferred, particularly preferred, etc. for these radicals in connection with the description of the starting materials of the formula (II).
  • Ketocarboxylic acids of the formula (VI) are known. They can be manufactured, for example, by
  • succinic anhydride or 4-chloro-4-oxobutanoic acid in the presence of a Lewis acid (e.g. aluminum chloride) and optionally in the presence of a diluent (e.g. 1,2-dichloroethane) (see Org. Prep. Proced.
  • a Lewis acid e.g. aluminum chloride
  • a diluent e.g. 1,2-dichloroethane
  • Ar 2 has the meanings given above,
  • a reducing agent e.g. Zn dust
  • a diluent e.g. glacial acetic acid
  • Formula (VII) provides a general definition of the semi-aminals required as starting materials when carrying out processes (d) and (e) according to the invention.
  • R 9 preferably represents C Cg-alkyl or C 1 -C 4 -alkylcarbonyl.
  • R 9 particularly preferably represents 0 ⁇ 4-alkyl, methylcarbonyl or t-butylcarbonyl.
  • R 9 very particularly preferably represents methyl, ethyl, i-propyl, t-butyl or methylcarbonyl.
  • Hemiaminals of formula (VII) are known and / or can be prepared by known methods (see Tetrahedron 1975, 3, 1437;.. Heterocycles JJ, 20, 985).
  • Formula (VIII) provides a general definition of the aromatics required as starting materials when carrying out processes (d) and (f) according to the invention.
  • Ar 2 is preferred, particularly preferred or very particularly preferred for those meanings which have already been mentioned as preferred, particularly preferred, etc. for these radicals in connection with the description of the starting materials of the formula (II).
  • Aromatics of the formula (VIII) are known.
  • Formula (IX) provides a general definition of the metal aromatics required as starting materials when carrying out process (e) according to the invention.
  • Ar 2 is preferred, particularly preferred or very particularly preferred for those meanings which have already been mentioned as preferred, particularly preferred, etc. for these radicals in connection with the description of the starting materials of the formula (II).
  • M preferably represents Mgl, MgCl, MgBr, Li or ZnCl.
  • M particularly preferably stands for Mgl, MgCl, MgBr or Li.
  • Metal aromatics of the formula (EX) are known and / or can be prepared from the corresponding aromatics or halogen aromatics by known methods (e.g. lithiation or Grignard reaction).
  • Formula (X) provides a general definition of the carbonyl compounds required as starting materials when carrying out process (h) according to the invention.
  • Ar 2 is preferred, particularly preferred or very particularly preferred for those meanings which have already been mentioned as preferred, particularly preferred, etc. for these radicals in connection with the description of the starting materials of the formula (II).
  • Carbonyl compounds of the formula (X) are known. They can be made, for example, by
  • Ar 2 has the meanings given above,
  • glyoxalic acid in the presence of a base (e.g. sodium hydroxide) and optionally in the presence of a diluent (e.g. water or ethanol) (cf. J. Med. Chem. 1996. 39, 4396).
  • a base e.g. sodium hydroxide
  • a diluent e.g. water or ethanol
  • Formula (XI) provides a general definition of the acetophenones required as starting materials when carrying out process (i) according to the invention.
  • Ar 2 is preferred, particularly preferred or very particularly preferred for those meanings which have already been mentioned as preferred, particularly preferred, etc. for these radicals in connection with the description of the starting materials of the formula (II).
  • Acetophenones of the formula (XI) are known.
  • the process according to the invention is carried out in the presence of an acid.
  • Acids can be used in carrying out the process according to the invention all of the protonic acids or strong organic acids (such as sulfonic acids) or halocarboxylic acids which can be used for such a reaction.
  • Hydrochloric acid, sulfuric acid, hydrofluoric acid, phosphoric acid, p-toluenesulfonic acid, methanesulfonic acid, trifluoroacetic acid or trichloroacetic acid can preferably be used.
  • Hydrochloric acid, sulfuric acid p-toluenesulfonic acid or trifluoroacetic acid are particularly preferably used, very particularly preferably sulfuric acid.
  • the acid used can optionally be used in a mixture with water.
  • the process according to the invention can optionally be carried out in the presence of a diluent.
  • Organic acids are suitable as diluents when carrying out the process according to the invention.
  • Propionic acid, acetic acid or formic acid can preferably be used.
  • Acetic acid is particularly preferably used.
  • reaction temperatures can be varied within a substantial range when carrying out the process according to the invention. In general, temperatures between 20 ° C and 200 ° C, preferably see temperatures between 60 ° C and 150 ° C.
  • reaction time is between 0.5 h and 6 h.
  • an excess of acid (between 1 mol and 50 mol) is generally used per 1 mol of aroylpyrrolidinone of the formula (II).
  • other ratios of the reaction components can also be selected.
  • the processing takes place according to usual methods. The general procedure is to alkalize the reaction mixture with sodium hydroxide, extract the product, wash the organic phase, dry and concentrate under reduced pressure. The raw product is then method (e.g. chromatography or recrystallization) to remove any residues that may still be present.
  • 2,5-bisaryl- ⁇ 1 -pyrrolines of the formula (I) which can be prepared by the process according to the invention are known. Their use for controlling pests is also known. They are particularly suitable for controlling insects, arachnids and nematodes that occur in agriculture, in forests, in the protection of stored goods and materials, and in the hygiene sector (see WO 00/21958, WO 99/59968, WO 99/59967 and WO 98 / 22438).
  • Ar 2 , R 1 , R 2 and R 3 have the general, preferred, particularly preferred or very particularly preferred meanings given above.
  • Ar 2 , R 1 , R 2 and R 3 have the general, preferred, particularly preferred or very particularly preferred meanings given above.
  • Ar 1 , R 4 , R 5 and m have the general, preferred, particularly preferred or very particularly preferred meanings given above.
  • Ar 1 , R 4 and R 5 have the general, preferred, particularly preferred or very particularly preferred meanings given above.
  • R 1 represents halogen, methyl, methoxy, trifluoromethyl or trifluoromethoxy
  • R 2 represents hydrogen or halogen
  • R 4 represents phenyl which is monosubstituted or disubstituted by radicals from the list W 1 or represents heterocyclyl which is monosubstituted or disubstituted by the list W 2 or the group -YE,
  • R 5 represents hydrogen or alkoxy
  • Y, E, W 1 and W 2 have the general, preferred, particularly preferred and / or very particularly preferred meanings given above.
  • R 1 represents fluorine, chlorine, methyl, methoxy, trifluoromethyl or trifluoromethoxy
  • R 2 represents hydrogen, fluorine or chlorine
  • R 4 represents phenyl which is monosubstituted or disubstituted by radicals from the list W 1 or represents heterocyclyl which is monosubstituted or disubstituted by the list W 2 or the group -YE,
  • R 5 represents hydrogen or CpCg-alkoxy and Y, E, W 1 and W 2 have the general, preferred, particularly preferred and / or very particularly preferred meanings given above.
  • R 1 represents fluorine, chlorine, methyl, methoxy, trifluoromethyl or trifluoromethoxy
  • R 2 represents hydrogen, fluorine or chlorine
  • R 4 represents phenyl which is monosubstituted or disubstituted by radicals from the list W 1 or represents heterocyclyl which is monosubstituted or disubstituted by the list W 2 or the group -YE,
  • R 5 represents hydrogen, methoxy or ethoxy
  • Y, E, W 1 and W 2 have the general, preferred, particularly preferred and / or very particularly preferred meanings given above.
  • R 1 represents halogen, methyl, methoxy, trifluoromethyl or trifluoromethoxy
  • R 4 represents phenyl which is monosubstituted or disubstituted by radicals from the list W 1 or represents heterocyclyl which is monosubstituted or disubstituted by the list W 2 or the group -YE,
  • R 5 represents hydrogen or alkoxy
  • Y, E, W 1 and W 2 have the general, preferred, particularly preferred and / or very particularly preferred meanings given above.
  • R 1 represents fluorine, chlorine, methyl, methoxy, trifluoromethyl or trifluoromethoxy
  • R 4 represents phenyl which is monosubstituted or disubstituted by radicals from the list W 1 or represents heterocyclyl which is monosubstituted or disubstituted by the list W 2 or the group -YE,
  • R 5 represents hydrogen or C ⁇ -Cg-alkoxy
  • Y, E, W 1 and W 2 have the general, preferred, particularly preferred and / or very particularly preferred meanings given above.
  • R 1 represents fluorine, chlorine, methyl, methoxy, trifluoromethyl or trifluoromethoxy
  • R 4 represents phenyl which is monosubstituted or disubstituted by radicals from the list W 1 or represents heterocyclyl which is monosubstituted or disubstituted by the list W 2 or the group -YE
  • R 5 represents hydrogen, methoxy or ethoxy
  • Y, E, W 1 and W 2 have the general, preferred, particularly preferred and / or very particularly preferred meanings given above.
  • New ⁇ -pyrrolines of the formulas (I-b), (I-c), (I-d), (I-e), (I-f) and (I-g), which e.g. Can be obtained via the method according to the invention are also claimed according to the invention.
  • Example (III-1) Analogously to Example (III-1), the compounds listed in the following table can be obtained.
  • the purification is carried out either as described in the example or by recrystallization or by chromatography. Production of starting materials of the formula (V)
  • the determination is carried out in the acidic range at pH 2.3 with 0.1% aqueous phosphoric acid and acetonitrile as eluents; linear gradient from 10% acetonitrile to 90% acetonitrile. (The measured values obtained are marked with a) in the tables.)
  • the calibration is carried out with unbranched alkan-2-ones (with 3 to 16 carbon atoms), whose logP values are known (determination of the logP values on the basis of the retention times by linear interpolation between two successive alkanes).
  • the lambda max values were determined on the basis of the UV spectra from 200 nm to 400 n in the maxima of the chromatographic signals.

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Plural Heterocyclic Compounds (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Pyrrole Compounds (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
EP02737924A 2001-04-09 2002-04-08 Verfahren zur herstellung von 2,5-bisaryl-delta1-pyrrolinen aus aroylpyrrolidinonen Withdrawn EP1379500A2 (de)

Applications Claiming Priority (5)

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DE10117675 2001-04-09
DE10117675 2001-04-09
DE10133929 2001-07-12
DE10133929A DE10133929A1 (de) 2001-04-09 2001-07-12 Verfahren zum Herstellen von DELTA·1·-Pyrrolinen
PCT/EP2002/003855 WO2002081442A2 (de) 2001-04-09 2002-04-08 Verfahren zum herstellen von δ1-pyrrolinen

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DE10047110A1 (de) * 2000-09-22 2002-04-18 Bayer Ag Optisch aktive 2,5-Bisaryl-DELTA·1·-Pyrroline
CN101415676A (zh) 2006-04-17 2009-04-22 住友化学株式会社 N-叔丁氧基羰基-2-吡咯烷酮类及其制造方法
MX2009013332A (es) 2007-06-08 2010-01-25 Mannkind Corp Inhibidores de ire-1 alfa.
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DE19822245A1 (de) * 1998-05-18 1999-11-25 Bayer Ag 2-(2-Methylphenyl)-3,4-dihydro-2H-pyrrol- Derivate
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IL158119A0 (en) 2004-03-28
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WO2002081442A3 (de) 2002-12-27
US7250521B2 (en) 2007-07-31
US20040147764A1 (en) 2004-07-29

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