Quararibea metabolites. 3. Total synthesis of (±) - Funebral, a rotationally restricted pyrrole alkaloid, using a novel Paal-Knorr reaction

Article abstract of DOI:10.1016/0040-4039(95)01250-L

The total synthesis of (±) - funebral 5, a sterically crowded, rotationally restricted pyrrole alkaloid, has been achieved by means of a new variation of the Paal-Knorr synthesis, employing titanium isopropoxide.