Process for the preparation of condensation products of acetoacetic
申请人:Hoechst Aktiengesellschaft
公开号:US04220799A1
公开(公告)日:1980-09-02
The known condensation reaction of lower alkanoylacetic acid lower alkyl esters with aldehydes catalyzed by amines proceeds safe and in high yields if the amineis an aliphatic tertiary amine. The products are precursors of aromatic amines.