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The First Complex with a Tetraethynylcyclobutadiene Ligand
Author(s) -
Bunz Uwe H. F.,
Enkelmann Volker
Publication year - 1993
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.199316531
Subject(s) - cyclobutadiene , stille reaction , alkynylation , ligand (biochemistry) , chemistry , stereochemistry , combinatorial chemistry , catalysis , organic chemistry , molecule , biochemistry , receptor
By Pd‐catalyzed alkynylation (Stille coupling) the compounds 1 , the first perethynylated cyclobutadiene complexes, can be obtained in one step from [(C 4 l 4 )Fe(CO) 3 ]. R = H, t Bu, SiMe 3 , C 8 H 17 .