[EN] PROCESS FOR THE PREPARATION OF PYRAZOLE CARBOXYLIC ACID AMIDE<br/>[FR] PROCÉDÉ DE PRÉPARATION D'UN AMIDE D'ACIDE CARBOXYLIQUE ET DE PYRAZOLE
申请人:SYNGENTA PARTICIPATIONS AG
公开号:WO2012101139A1
公开(公告)日:2012-08-02
The invention relates to a process for the preparation of 3-difluoromethyl-1 -methyl-1 H-pyrazole-4-carboxylic acid (9-dichloromethylene-1,2,3,4-tetrahydro-1,4-methano-naphthalen-5-yl)-amide by acylating the oxime oxygen of the compound of formula (VIII), in the presence of a solvent and an acylating agent of formula (XI) R1C(X)-CI (XI); wherein X is oxygen or sulfur; R1 is chloro if X is oxygen or sulfur; or R1 is C1-C6alkoxy, CH3-C(=CH2)-0-, phenoxy or trichloromethoxy if X is oxygen; and a) if R1 is chloro and the compound of formula (XI) was added to the compound of formula (VIII); reacting the so obtained product of formula (Xlla) wherein X is oxygen or sulfur; with the compound of formula (IX) b) if R1 is chloro and the compound of formula (VIII) was added to the compound of formula (XI); or R1 is C1-C6alkoxy, CH3-C(=CH2)-0-, phenoxy or trichloromethoxy if X is oxygen; reacting the so obtained product of formula (XII) wherein X is oxygen or sulfur; R1 is chloro if X is oxygen or sulfur; or R1 is C1-C6alkoxy, CH3-C(=CH2)-0-, phenoxy or trichloromethoxy if X is oxygen; with the compound of formula (IX).
[EN] PROCESS FOR THE STEREOSELECTIVE PREPARATION OF A PYRAZOLE CARBOXAMIDE<br/>[FR] PROCÉDÉ POUR LA PRÉPARATION STÉRÉOSÉLECTIVE D'UN PYRAZOLECARBOXAMIDE
申请人:SYNGENTA PARTICIPATIONS AG
公开号:WO2013120860A1
公开(公告)日:2013-08-22
The present invention relates to a process for the enantioselective preparation of 3-difluoromethyl-1-methyl-1H-pyrazole-4-carboxylic acid ((1S,4R)-9-dichloromethylene-1,2,3,4- tetrahydro-1,4-methano-naphthalen-5-yl)-amide of formula Ib.
PROCESS FOR THE PREPARATION OF PYRAZOLE CARBOXYLIC ACID AMIDES
申请人:Terinek Miroslav
公开号:US20130310592A1
公开(公告)日:2013-11-21
The invention relates to a process for the preparation of 3-difluoromethyl-1-methyl-1 H-pyrazole-4-carboxylic acid (9-dichloromethylene-1,2,3,4-tetrahydro-1,4-methano-naphthalen-5-yl)-amide by acylating the oxime oxygen of the compound of formula (VIII), in the presence of a solvent and an acylating agent of formula (XI) R
1
C(X)—CI (XI); wherein X is oxygen or sulfur; R
1
is chloro if X is oxygen or sulfur; or R1 is C
1
-C
6
alkoxy, CH
3
—C(═CH
2
)-0-, phenoxy or trichloromethoxy if X is oxygen; and a) if R
1
is chloro and the compound of formula (XI) was added to the compound of formula (VIII); reacting the so obtained product of formula (XIIa) wherein X is oxygen or sulfur; with the compound of formula (IX) b) if R
1
is chloro and the compound of formula (VIII) was added to the compound of formula (XI); or R
1
is C
1
-C
6
alkoxy, CH
3
—C(═CH
2
)-0-, phenoxy or trichloromethoxy if X is oxygen; reacting the so obtained product of formula (XII) wherein X is oxygen or sulfur; R
1
is chloro if X is oxygen or sulfur; or R
1
is C
1
-C
6
alkoxy, CH
3
—C(═CH
2
)-0-, phenoxy or trichloromethoxy if X is oxygen; with the compound of formula (IX).