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US 5,284,967 AGranted
Pleuromutilins
AssigneeBiochemie Gesellschaft m.b.H.
InventorIngolf Macher
Life of this patent
Estimating the term…
Abstract
Compounds of formula I ##STR1## wherein R.sub.1 and R.sub.2 are the same or different and each represent hydrogen, alkyl, alkenyl, cycloalkyl, aryl or aralkyl are produced by a new environmentally acceptable process.
Claims3
A compound of formula II ##STR14## where R.sub.1 and R.sub.2 are the same or different and each represent hydrogen, alkyl, alkenyl, cycloalkyl, aryl, or aralkyl;
- R.sub.5 is alkyl;
- R.sub.6 is hydrogen or alkyl;
- R.sub.7 is alkyl.
A compound of formula II ##STR15## where R.sub.1 and R.sub.2 are the same or different and each represent hydrogen, alkyl having 1 to 4 carbon atoms, alkenyl having 2 to 4 carbon atoms, cycloalkyl having 5 or 6 carbon atoms, phenyl, or benzyl;
- R.sub.5 is alkyl having 1 to 4 carbon atoms;
- R.sub.6 is hydrogen or alkyl having 1 to 4 carbon atoms;
- and
- R.sub.7 is alkyl having 1 to 4 carbon atoms.
1 more element
Dependencies are inferred from the claim text.