| abstract |
NEW MATERIAL:A compound shown by the formulaI(R 1 is alkyl; R 2 and R 4 are H or alkyl; R 3 alkanyl, nitro, amino, etc.; R 5 is alkyl, 1-alkyl-4-piperidinyl, etc.). n EXAMPLE: 1-(5-Acetyl-2-methoxy-3-methylbenzoyl)-4-methylpiperazine. n USE: An improver for acatastasia of digestive function. Having promoting action on the elimination of content in the stomach, and low side effects of its center. n PROCESS: A compound shown by the formula II (X is hydroxyl group, etc.) is reacted with an amine shown by the formula R 4 -NH-R 5 in an inert solvent (e.g., acetone, etc.) at room temperature or under cooling or heating, usually at -20W150°C, to give a compound shown by the formulaI. n COPYRIGHT: (C)1982,JPO&Japio |