| 摘要 |
NEW MATERIAL:A compound shown by the formula I [A is lower alkyl which may be replaced; B is H, or -R<1>-OOCC(R<2>)3 (R<1> is lower alkylene; R<2> is H, or lower alkyl)], its ester, and its nontoxic salt. USE:An antimicrobial agent, an addition agent for feed and a preservative. PREPARATION:A compound shown by the formula II or its reactive derivative is reacted with a compound shown by the formula III, or its ester, or its salt in a solvent such as THF, DMF, etc., under cooling or at room temperature, to give a compound shown by the formula I.
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