| abstract |
A process for preparing, starting from the initial organic compound crystallised in the solid state and possessing one or several biological properties, an organic compound crystallised in the solid state and possessing one or several modified biological properties compared with the starting organic compound, said process comprising the following steps: a) supplying the original organic compound in the solid state; b) sublimating to the vapour state said starting organic compound and condensing the compound sublimated to the vapour state onto the surface of a substrate maintained at ambient temperature; c) retrieving the organic compound in the solid state obtained at the end of step b), from the said substrate. |