Process for the preparation of 6-(arylcarbonyl)...

Details Process for the preparation of 6-(arylcarbonyl)... Process for the preparation of 6-(arylcarbonyl)...

C - Chemistry, Metallurgy

07

D

C07D 409/06 (2006.01) C07C 323/55 (2006.01) C07C 323/61 (2006.01) C07D 335/06 (2006.01)

Patent

CA 2249523

The present invention provides compounds of formula I and processes for the preparation and purification thereof. (see fig. I) Compounds of formula I are useful as intermediates in the manufacture of 6-(arylcarbonyl)-4-oximino- dihydrobenzothiopyran herbicidal agents.

L'invention fournit des composés de formule I et des procédés de préparation et de purification de ces derniers (voir fig. I). Les composés de formule I sont utiles comme intermédiaires dans la fabrication d'agents herbicides à base de 6-(arylcarbonyl)-4-oximino-dihydrobenzothiopyrane.

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