| 摘要 |
3-Acylcarbazate esters of formula ACONHNHCOOR (I) and their acid-addn. salts are new, where: A=3-10C alkyl, 3-10C alkenyl, 2-10C haloalkyl, CF3, phenyl(1-3C)alkyl, phenyl(2-3C)alkenyl, naphthyl(1-3C)alkyl, phenyl(opt. substd. by 1-4C alkyl, halogen, 1-4C alkoxy and/or OH), (3-7C)cycloalkyl(1-3C)alkyl, nitrofuryl, diphenylhydroxymethyl, or indazolyl opt. mono- or polysubstd. by alkoxy; R=1-4C alkyl; provided that A is not t-Bu when R=Et. Animal feeds or animal feed supplements or concentrates contg. cpds. (I), including (I; A=t-Bu, R=Et), are also new.
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