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Novel Synthesis of the Angular [3]Phenylene (Terphenylene) by Cobalt‐Catalyzed Cyclization of Bis(2‐ethynylphenyl)ethyne: a Molecule with an Internal Cyclohexatriene Ring
Author(s) -
Diercks Rainer,
Vollhardt K. Peter C.
Publication year - 1986
Publication title -
angewandte chemie international edition in english
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 0570-0833
DOI - 10.1002/anie.198602661
Subject(s) - ring (chemistry) , catalysis , molecule , derivative (finance) , cobalt , chemistry , phenylene , stereochemistry , crystallography , polymer chemistry , organic chemistry , business , finance , polymer
The first real cyclohexatriene derivative , the title compound 2 , has been characterized by an X‐ray structure analysis. In the key step of the new, productive synthesis, the triyne 1 is cyclized in the presence of the catalyst [(C 5 H 5 )Co(CH 2 CH 2 ) 2 ].