Animal feedstuffs employing 3,4,5-trihydroxypiperidines

Claim 1

An animal feedstuff or premix thereof which contains an amount effective for increasing the proportion of lean meat to undesired fat of an active compound of the formula ##STR264## in which R 1 is C 1 -C 30 alkyl, C 2 -C 18 L alkenyl, C 2 -C 18 alkinyl, C 3 -C 8 cycloalkyl, C 3 -C 8 cycloalkenyl, C 3 -C 8 -cycloalkinyl or phenyl (a), said alkyl, cycloalkyl, cycloalkenyl and cycloalkinyl being unsubstituted or substituted by hydroxy, C 1 -C 4 -alkoxy, acyloxy, amino, mono-C 1 -C 4 alkylamino, di-C 1 -C 4 alkylamino, acylamino, mercapto, C 1 -C 4 alkylthio, halogen, C 1 -C 4 alkylcarbonyl, carboxyl, nitro, cyano, formyl, sulfo, naphthyl or phenyl (b); said acyl being derived from an aliphatic carbocyclic acid having from 1 to 7 C-atoms, a phenyl carboxylic acid, unsubstituted or substituted by carboxy, hydroxy, halogen, C 1 to C 4 alkyl, C 1 -C 4 alkoxy, nitro or amino; said phenyl (a) being unsubstituted or substituted by C 1 to C 10 alkyl, C 1 to C 10 chloroalkyl, C 1 to C 10 nitroalkyl, C 1 to C 10 cyanoalkyl, C.sub. 1 to C 10 alkenyl, hydroxyl, C 1 to C 4 alkoxy, amino, mono-C 1 to C 4 alkylamino, di-C 1 -C 4 alkylamino, mercapto, C 1 -C 4 alkylthio, carboxyl, C 1 -C 4 carbalkoxy, sulfo, C 1 -C 4 alkylsulfonyl, phenylsulfonyl, aminosulfonyl, C 1 -C 4 alkylaminosulfonyl, di-C 1 -C 4 alkylaminosulfonyl, nitro, cyano, formyl, C 1 -C 4 alkylcarbonylamino, C 1 -C 4 alkylcarbonyl, benzoyl, benzylcarbonyl or phenylacylcarbonyl; said naphthyl and phenyl (b) being unsubstituted or substituted by hydroxyl, amino, C 1 -C 4 alkylamino, di-C 1 -C 4 alkylamino, C 1 -C 4 alkoxy, nitro, cyano, carboxy, C 1 -C 4 alkoxycarbonyl, C 1 -C 6 alkyl, halogen, C 1 -C 4 alkylthio, mercapto, C 1 -C 4 alkylsulfonyl, sulfoaminosulfonyl or C 1 -C 4 alkylaminosulfonyl R 2 is --H, --OH, --SO 3 H, --CN, --CH 2 NH 2 , --CH 2 NH-- (C 1 to C 14 -alkyl), ##STR265## (C 1 to C 14 -alkyl), --CH 2 --NH--SO 2 -- (C 1 to C 14 ) alkyl, --CH 2 --NH--SO 2 -phenyl, ##STR266## wherein phenyl is unsubstituted or substituted by methyl, ethyl, methoxy, or nitro, R 3 is --H, --CH 3 , --CH 2 OH, --CH 2 --NH 2 , NHR'--CH 2 --, NR'R"--CH 2 --, R'CONH--CH 2 R'CO--NR"CH 2 --, R'O--CH 2 --, R'COOCH 2 --, R'SO 2 NHCH 2 --, R'SO 2 --NR"CH 2 --, R'NH--CO--NH--CH 2 --, R'NHCS--NH--CH 2 --, R'O--CO--NH--CH 2 --, wherein R' and R" are the same or different and each has the meaning hydrogen or any of the meanings given above for R 1 , in admixture with an edible non-toxic feed carrier.