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Trisannelated Benzenes by Cyclotrimerization of Bromostannylalkenes
Author(s) -
Durr Richard,
Cossu Sergio,
De Lucchi Ottorino,
Lucchini Vittorio
Publication year - 1997
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.199728051
Subject(s) - fullerene , molecule , chemistry , medicinal chemistry , combinatorial chemistry , organic chemistry
Up to 80% yields of cyclotrimers, including 2 depicted below, can be achieved by reaction of bromo(stannyl)alkenes such as 1 with Cu(NO 3 ) 2 · 3H 2 O at room temperature in THF. This route, a definite improvement over previously reported methods, makes such molecules available in sufficient quantity for study, for example, as precursors of fullerene fragments.