On the Chemistry of Pyrrole Pigments, XCI: Copper Complexes of Pyridinologous Linear Tri-and Tetrapyrroles as Cyclopropanation Catalysts

H Falk, A Šuste - Monatshefte für Chemie, 1994 - croris.hr
H Falk, A Šuste
Monatshefte für Chemie, 1994croris.hr
Sažetak In addition to two recently described pyridinologous linear tri-and tetrapyrroles a
biisoquinologous system was prepared and its geometrical features derived by means of
NMR measurements and force field calculations. The copper complexes of these three
ligands were isolated and characterized, and then used as catalysts in the cyclopropanation
of styrene. The results were found to be similar to those reported for a variety of catalysts in
literature. Thus. it was demonstrated that these systems can be used in principle as …
Sažetak
In addition to two recently described pyridinologous linear tri-and tetrapyrroles a biisoquinologous system was prepared and its geometrical features derived by means of NMR measurements and force field calculations. The copper complexes of these three ligands were isolated and characterized, and then used as catalysts in the cyclopropanation of styrene. The results were found to be similar to those reported for a variety of catalysts in literature. Thus. it was demonstrated that these systems can be used in principle as catalysts.
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