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Metal‐Centered Coupling of Two Carbyne Ligands To Form an Alkyne Ligand
Author(s) -
Filippou Alexander Constantin,
Grünleitner Walter,
Völkl Christian,
Kiprof Paul
Publication year - 1991
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.199111671
Subject(s) - carbyne , alkyne , isocyanide , carbene , cationic polymerization , chemistry , ligand (biochemistry) , metal , coupling reaction , photochemistry , stereochemistry , catalysis , polymer chemistry , organic chemistry , biochemistry , receptor
Bis(carbyne) complexes are discussed as key intermediates of numerous CC coupling reactions of carbyne‐complexes to alkyne complexes—an experimental detection of such intermediates has now been possible in the reaction of the cationic bis(carbene) complex 1 with bromine or ethyl isocyanide, which leads to the alkyne complexes 2 and 3 (see also Highlight on p. 1119). Thus, in principle, the prerequisites under which processes such as the catalytic hydrogenation of CO proceed, are now also better understood. Counter ion = BF   4 ⊖ .

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