R. Gleiter et J. Ritter, THE PALLADIUM-MEDIATED CONVERSION OF 1,6-DIAZACYCLODECA-3,8-DIYNES TO3,3'-BISPYRROLES - AN UNEXPECTED REORGANIZATION OF AN ALKYNE PI-SYSTEM, Tetrahedron, 52(31), 1996, pp. 10383-10388
The Pd-catalyzed rearrangement of ropyl-1,6-diisopropyl-1,6-diazacyclo
deca-3,8-diyne (1b) to N,N'-diisopropyl-3,3'-bispyrrole (2b) in a one
pot reaction involves forming two new C-C bonds, cleaving one triple b
ond, two allylic rearrangements and two dehydrogenation steps. Copyrig
ht (C) 1996 Elsevier Science Ltd