| abstract |
The invention discloses the method that one kind prepares the Dicarbonyl derivatives of 2 halo 1,3, and suitable for extensive 1,3 Dicarbonyl derivatives, such raw material is easy to get, species is a lot；The product types that profit is obtained by the present invention are various, not only can directly using but also can be used for other and further react；The inventive method reaction condition is gentle, operation and last handling process are simple, and the reaction time is short, yield is high, pollution is few, is suitable for industrialized production. |