KOBLER, CHRISTOPH,HÄUSSNER, THOMAS,WECKBECKER, CHRISTOPH
申请号：
MYPI 2011001656
公开号：
MY155599A
申请日:
2009.10.09
申请国别(地区):
MY
年份:
2015
代理人:
摘要：
THE INVENTION RELATES TO THE USE OF DL-METHIONYL-DL-METHIONINE AND SALTS THEREOF AS A FEED ADDITIVE IN FEED MIXTURES FOR ANIMALS HELD IN AQUACULTURES, AND A METHOD FOR PRODUCING DL-METHIONYL-DL-METHIONINE (I) HAVING THE FORMULA (I) BY CONVERTING A UREA DERIVATIVE OF THE GENERAL FORMULA (II) TO DL-METHIONYL-DL-METHIONINE, WHEREIN THE GROUPS R1 AND R2 IN THE UREA DERIVATIVES IIA, IIB, IIC, IID, IIE, IIF, AND IIG ARE DEFINED AS FOLLOWS: IIA : R1 = COOH, R2 = NHCONH2 IIB: R1 = CONH2, R2 = NHCONH2 IIC: R1 = CONH2, R2 = NH2 IID: R1 -R2 = -CONHCONH- IIE: R1 = CN, R2 = OH IIF: R1 = CN, R2 = NH2 IIG； R1= =O, R2 = H. NO SUITABLE FIG.
