C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
C07D 405/04 (2006.01) C07D 239/52 (2006.01)
Patent
CA 2268775
A process for preparation of substituted phthalides, heterocyclic phthalides and derivatives thereof of the formula I Image wherein A is phenyl or pyridyl; R is a carboxyl group; X and Y taken together represent = O; or X and R taken together may form a bridge, which process comprises reacting an aromatic carboxylic acid mono- or di-anion with a reactive derivative of a pyrimidine carboxylic acid.
L'invention concerne un procédé destiné à la préparation de phtalides substitués, de phtalides hétérocycliques et de leurs dérivés, par la mise en réaction d'un mono-anion ou d'un di-anion d'acide carboxylique aromatique avec un dérivé réactif d'un acide carboxylique de pyrimidine.
Cloudsdale Ian S.
Hokama Takeo
Langer Werner
Schneider Hermann
Basf Aktiengesellschaft
Robic
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