| 摘要 |
NEW MATERIAL:The compound of formula I [R1 is 1-8C alkyl, aryl, aralkyl, etc., when X is S and Y is O; R2 is (halogen-substituted) 1-8C alkyl, aryl, aralkyl, etc., excluding the case that both of R1 and R2 are aryl; R1 and R2 are 2-8C alkyl, halogen-substituted 1-8C alkyl, alkenyl, etc., when both X and Y are O; n is 0-3]. EXAMPLE:The compound of formula II. USE:A drug, molded article, fiber, film, paint, etc. PREPARATION:The objective compound can be produced by reacting a compound of formula III (e.g., the compound of formula IV) with an isocyanate compound of formula R2-NCO (e.g., methyl isocyanate). |
