| 摘要 |
NEW MATERIAL:2-Piperidino-3-substituted benzoylpropionic acid of formula I (X is halogen, alkyl, alkoxy, nitro, hydroxyl; n is 1-5; R is H, lower alkyl). EXAMPLE:2-Piperidino-3-(4-chlorobenzoyl)propionic ethyl ester. USE:Fungicide, especially for industrial use. They are used in coatings, glues, petroleum products plastic moldings, fiber products leather products, wood products, processed paper products, cosmetics, medicines, medical equipment, parts for industrial facilities and buildings, food products and beverages. The dose is usually 100-300ppm to develop satisfactory fungicidal effects. PREPARATION:The reaction of a 3-substituted benzoylacrylic acid of formula II with peperidine is conducted in an organic solvent at room temperature or under heating to produce the compound of formula I. |
