申请人:KOBLER Christoph
公开号:US20110295006A1
公开(公告)日:2011-12-01
Feed additives containing essential amino acids which are diketopiperazines of formulas (IV) or (V) or salts thereof are provided:
In formulas (IV) and (V), R
1
and R
2
may be an amino acid residue such as methionine, lysine, threonine, tryptophan, histidine, valine, leucine, isoleucine, phenylalanine, arginine, and cysteine, and may optionally be the same residue.
Additionally provided are the diketopiperazines of formulas (IV) and (V) and a method to for their production.