abstract |
THE INVENTION PROVIDES NEW COMPOUNDS HAVING ANTIVIRAL, ANTI-TUMOUR OR IMMUNOSUPPRESSIVE ACTIVITY HAVING THE GENERAL FORMULA 1,2-(-CH2-CH2-X-),3-R-PYRROLE WHEREIN X REPRESENTS A METHYLENE, A-HYDROXYMETHYLENE, B-HYDROXYMETHYLENE OR CARBONYL GROUP AND R REPRESENTS A HYDROXYMETHYL OR FORMYL GROUP. IT ALSO PROVIDES A METHOD FOR THE PREPARATION OF THESE COMPOUNDS FROM HELIOTRIDINE, RETRONECINE OR SUPINIDINE BY OXIDATION FOLLOWED, IF DESIRED, BY REDUCTION. |