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[2 + 2]Cycloaddition of Norbornenes with Alkynes Catalyzed by Ruthenium Complexes
Author(s) -
Mitsudo Takeaki,
Naruse Hiroshi,
Kondo Teruyuki,
Ozaki Yoshihiko,
Watanabe Yoshihisa
Publication year - 1994
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.199405801
Subject(s) - norbornadiene , ruthenium , catalysis , cycloaddition , chemistry , benzene , medicinal chemistry , photochemistry , organic chemistry
The first CC coupling catalyzed by a neutral Cp * Ru complex ([Cp * RuCl(cod)]) is reported in the reactions of norbornenes and norbornadiene ( 1 ) with different alkynes ( 2 ). Besides the [2 + 2] cycloadducts 3 , the reaction with terminal alkynes and 1 unexpectedly also yields the 1,3‐benzene derivatives 4 .