[EN] PROCESS FOR THE PREPARATION OF 5-SUBSTITUTED 3-ARYL-3-(TRIFLUOROMETHYL)-3,4-DIHYDRO-2H-PYRROLES [FR] PROCÉDÉ D'ÉLABORATION DE 3-ARYL-3-(TRIFLUOROMÉTHYL)-3,4-DIHYDRO-2H-PYRROLES 5-SUBSTITUÉS
[EN] PROCESS FOR THE PREPARATION OF 5-SUBSTITUTED 3-ARYL-3-(TRIFLUOROMETHYL)-3,4-DIHYDRO-2H-PYRROLES [FR] PROCÉDÉ D'ÉLABORATION DE 3-ARYL-3-(TRIFLUOROMÉTHYL)-3,4-DIHYDRO-2H-PYRROLES 5-SUBSTITUÉS
Process for the Preparation of 5-Substituted 3-Aryl-3-(trifluoromethyl)-3,4-dihydro-2H-pyrroles
申请人:ARAKI Koichi
公开号:US20120029202A1
公开(公告)日:2012-02-02
The present invention relates to a process for the manufacturing of 5-substituted 3-aryl-3-(trifluoromethyl)-3,4-dihydro-2H-pyrroles of formula (I)
which comprises the following steps:
(i) reacting a compound of formula (II) with a isonitrile compound of formula (III)
in the presence of a metal catalyst to obtain compounds of formula (IV)
(ii) isomerizing compounds of formula (IV) to obtain compounds of formula (V) and
(iii) reacting the dihydropyrrole compound of formula (V) under acidic conditions, to obtain the compounds of formula (I), wherein X, n, Z, Y, and T are as defined in the description.
[EN] PROCESS FOR THE PREPARATION OF 5-SUBSTITUTED 3-ARYL-3-(TRIFLUOROMETHYL)-3,4-DIHYDRO-2H-PYRROLES<br/>[FR] PROCÉDÉ D'ÉLABORATION DE 3-ARYL-3-(TRIFLUOROMÉTHYL)-3,4-DIHYDRO-2H-PYRROLES 5-SUBSTITUÉS
申请人:BAYER CROPSCIENCE AG
公开号:WO2011141414A1
公开(公告)日:2011-11-17
The present invention relates to a process for the manufacturing of 5-substituted 3-aryl-3-(trifluoro-methyl)-3,4-dihydro-2H-pyrroles of formula (I) which comprises the following steps: (i) reacting a compound of formula (II) with a isonitrile compound of formula (III) in the presence of a metal catalyst to obtain compounds of formula (IV) (ii) isomerizing compounds of formula (IV) to obtain compounds of formula (V) and (iii) reacting the dihydropyrrole compound of formula (V) under acidic conditions, to obtain compounds of formula (I), wherein X, n, Z, Y, and T are as defined in the description.
[EN] PESTICIDAL PYRROLINE DERIVATIVES<br/>[FR] DÉRIVÉS DE PYRROLINE PESTICIDE
申请人:BAYER CROPSCIENCE AG
公开号:WO2012004326A1
公开(公告)日:2012-01-12
Pyrroline derivatives represented by Formula (I) below and the use thereof as pesticide and animal parasite-controling agent. wherein each substituent is as defined in the specification.