Bayer Aktiengesellschaft

Matthias Schuller

Bodo Junge

Horst Boshagen

Arnold Paessens

Gunther Kinast

Jurgen Stoltefuss

Theo Schroder

A method for treating a viral infection in a human or animal patient comprising administering to such patient an antivirally effective amount of a substituted hydroxypiperidine, namely a 2-hydroxymethylene-3,4,5-trihydroxypiperidine.

Methods for treating viruses in patients by administering

N-substituted derivatives of 1-desoxynojirimycin and 1-desoxymannojirimycin of the formula ##STR1## in which one of R and R' are hydroxyl and the other is hydrogen

N-substituted derivatives of 1-desoxynojirimycin and

A 3-amino-4,5-dihydroxy-piperidine compound of the formula (I) ##STR1## in which R.sup.1 represents hydrogen, alkyl having up to 8 carbon atoms, aralkyl having 7 to 14 carbon atoms, or represents a group of the formula ##STR2## R.sup.4 denotes straight-chain or branched alkyl having up to 8 carbon atoms, straight-chain or branched alkoxy having up to 8 carbon atoms, or aralkoxy having up to 10 carbon atoms, and

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Wuppertal, Germany

Matthias Schuller