Method for producing 2,2,4,4-tetra-substituted...

Details Method for producing 2,2,4,4-tetra-substituted... Method for producing 2,2,4,4-tetra-substituted...

C - Chemistry, Metallurgy

07

C

C07C 45/45 (2006.01) C07C 49/39 (2006.01) C07C 49/403 (2006.01) C07C 49/453 (2006.01) C07C 67/313 (2006.01) C07C 69/716 (2006.01) C07C 69/757 (2006.01) C07F 7/18 (2006.01)

Patent

CA 2375651

The invention relates to a method for producing 2,2,4,4 tetra-substituted 1,3,5 - cyclohexanetriones of formula (I), by reacting a cyclobutane-1,3- diones of formula (II) with an O or N nucleophile and a silylation reagent and then subsequently by acetylisation and cyclisation.

La présente invention concerne un procédé pour produire des 1,3,5-cyclohexanetriones 2,2,4,4-tétrasubstituées de formule (I), par transformation d'une cyclobutane-1, 3-dione de formule (II) avec un O ou un N nucléophile et un agent de silylation, puis par acétylation et cyclisation.

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