申请人:Bayer Aktiengesellschaft
公开号:US03971812A1
公开(公告)日:1976-07-27
Compounds of formula ##SPC1## Wherein R.sub.1 and R.sub.2 independently of one another denote optionally substituted alkyl radicals with 1-3 C atoms and R.sub.3 represents hydrogen or an optionally substituted alkyl radical with 1-5 C atoms, as well as compounds of the formula ##SPC2## Wherein R.sub.4 represents an alkyl group which is optionally substituted by hydroxyl or alkoxy groups, and R.sub.5 and R.sub.6 represent hydrogen or an amino group which is monosubstituted or disubstituted by a straight-chain alkyl group or a cycloalkyl group, with the proviso that R.sub.5 and R.sub.6 do not simultaneously represent hydrogen, and processes for their production.
化学式为##SPC1##的化合物,其中R.sub.1和R.sub.2分别独立地表示具有1-3个碳原子的可选取代的烷基基团,R.sub.3表示氢或具有1-5个碳原子的可选取代的烷基基团;以及化学式为##SPC2##的化合物,其中R.sub.4表示可选取代的含有羟基或烷氧基的烷基团,R.sub.5和R.sub.6表示氢或单取代或双取代的直链烷基团或环烷基团的氨基团,但R.sub.5和R.sub.6不能同时表示氢,以及它们的制备方法。