| abstract |
The compounds of formula I ##STR1## wherein either n R 1 is hydroxy, n R 2 is allyl or n-propyl and n there is a single bond between the carbon atoms numbered 14 and 15 n or n R 1 is missing, n R 2 is allyl and n there is a double bond between the carbon atoms numbered 14 and 15, n have interesting immunosuppressant and anti-inflammatory properties. n They are obtained by fermentation or synthesis, e.g. by hydrogenation or dehydration. |