Sx. Yu et Pw. Lequesne, QUARARIBEA METABOLITES .3. TOTAL SYNTHESIS OF (+ -)-FUNEBRAL, A ROTATIONALLY RESTRICTED PYRROLE ALKALOID, USING A NOVEL PAAL-KNORR REACTION/, Tetrahedron letters, 36(35), 1995, pp. 6205-6208
The total synthesis of (+/-)-funebral 5, a sterically crowded, rotatio
nally restricted pyrrole alkaloid, has been achieved by means of a new
variation of the Paal-Knorr synthesis, employing titanium isopropoxid
e.