C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
C07D 417/12 (2006.01) C07D 275/02 (2006.01)
Patent
CA 2618736
This invention relates to a process for the preparation of compounds of formula (I) Where Ra, Rb, R1, R2, R3, R4, R5, R6, R7, R8, R9 and R10 are defined organic groups, the process comprising reactions a compound of formula (II) with a compound of formula (III) RcCHO and an oxidising agent.
La présente invention concerne un procédé de préparation de composés répondant à la formule (I) dans laquelle Ra, Rb, R1, R2, R3, R4, R5, R6, R7, R8, R9 et R10 représentent des groupes organiques définis, le procédé comprenant les réactions d~un composé répondant à la formule (II) avec un composé répondant à la formule (III) RcCHO et un agent d'oxydation.
Farooq Saleem
Hall Roger Graham
Fetherstonhaugh & Co.
Syngenta Participations Ag
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