摘要 |
<p>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).</p> |
申请人 |
SYNGENTA PARTICIPATIONS AG;TERINEK, MIROSLAV;FABER, DOMINIK;KOENIG, STEFAN |
发明人 |
TERINEK, MIROSLAV;FABER, DOMINIK;KOENIG, STEFAN |