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Cyclooligomerization of Mono‐ and Diazulenylethynes Catalyzed by Transition Metal Complexes
Author(s) -
Elwahy Ahmed H. M.,
Hafner Klaus
Publication year - 2010
Publication title -
european journal of organic chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.825
H-Index - 155
eISSN - 1099-0690
pISSN - 1434-193X
DOI - 10.1002/ejoc.200900946
Subject(s) - cyclobutadiene , chemistry , cobalt , transition metal , catalysis , medicinal chemistry , metal , tris , stereochemistry , organic chemistry , molecule , biochemistry
Cyclooligomerization of 1‐ethynylazulenes 1a , b , 6 and 7 as well as 1,2‐bis(azulen‐1‐yl)ethynes 10a , b and 11 with CpCo(CO) 2 to the corresponding 1,2,4‐tris(azulen‐1‐yl)benzenes 14a , b , 18 and 19 as well as [bis‐ and tetrakis(azulen‐1‐yl)cyclobutadiene]cobalt complexes 17a , b , 30a , b and 31 is described.
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