| 摘要 |
<p>The invention provides a compound of the general formula <IMAGE> in which R<1> denotes a protecting group which can be split off under neutral or basic conditions and R<2> denotes a hydrogen atom, a straight-chain or branched alkyl radical having up to 8 carbon atoms, an unsubstituted or alkyl- substituted cycloalkyl or unsubstituted or alkyl-substituted cycloalkylalkyl radical each having from 3 to 8 carbon atoms in the cycloalkyl moiety and up to 8 carbon atoms in the or each alkyl moiety, or a phenyl or phenylalkyl radical having up to 8 carbon atoms in the alkyl moiety, wherein each of the phenyl and phenylalkyl radicals is unsubstituted or substituted in the benzene ring by 1 to 3 of the same or different substituents selected from halogen atoms, (C1 to C4)alkyl radicals and (C1 to C4)alkoxy radicals, and a process for its preparation. Compounds of the general formula I can be used as starting materials for N-containing prostaglandins and prostacyclins which in turn can be used as medicaments.</p> |
