C-c bond formation through oxidatively induced elimination of platinum complexes--a novel approach towards conjugated macrocycles.
A novel and effective method for the synthesis of conjugated macrocycles is described. By the self-assembly of conveniently accessible building blocks to a metalla-macrocycle, and subsequent C-C bond formation through elimination of transition metal units, the strained cyclodimeric terthiophene-diyne 4 -as a precursor for cyclo[8]thiophene 5- was synthesized in a good overall yield.
Department Organic Chemistry II (Organic Materials and Combinatorial Chemistry), Ulm University, Albert-Einstein-Allee 11, 89081 Ulm, Germany.
Gerda
G
Fuhrmann
Tony
T
Debaerdemaeker
Peter
P
Bäuerle