C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
C07C 49/463 (2006.01) C07B 39/00 (2006.01) C07C 17/093 (2006.01) C07C 23/10 (2006.01) C07C 45/42 (2006.01) C07C 45/51 (2006.01) C07C 45/54 (2006.01) C07C 45/56 (2006.01) C07C 49/16 (2006.01)
Patent
CA 2233807
This invention relates to a process for the selective monochlorination or dichlorination of certain substituted alkenes using trichloroisocyanuric acid. The chlorinated alkenes can be easily hydrolyzed to provide .alpha.-monochloroketones or .alpha.,.alpha.-dichloroketones with a high degree of selectivity. The resulting.alpha.-monochloroketones or .alpha.,.alpha.-dichloroketones have utility as fungicides or function as useful intermediates for fungicides.
L'invention a trait à un processus de monochloration ou de dichloration sélective de certains alcènes substitués à l'aide d'acide trichloroisocyanurique. Les alcènes chlorés peuvent être facilement hydrolysés pour fournir des .alpha.-monochlorocétones ou des .alpha.,.alpha.-dichlorocétones avec un degré élevé de sélectivité. Les .alpha.-monochlorocétones ou les .alpha.,.alpha.-dichlorocétones résultantes sont utiles comme fongicides ou peuvent servir d'intermédiaires dans la préparation de fongicides.
Rayle Heather Lynnette
Roemmele Renee Caroline
Gowling Lafleur Henderson Llp
Rohm And Haas Company
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