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Cover Picture: Spirodiporphyrins—As Binuclear Metal Complexes (Angew. Chem. Int. Ed. 25/2003)
Author(s) -
Vogel Emanuel,
Michels Martin,
Zander Lars,
Lex Johann,
Tuzun Nurcan S.,
Houk Kendall N.
Publication year - 2003
Publication title -
angewandte chemie international edition
Language(s) - English
Resource type - Reports
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 1433-7851
DOI - 10.1002/anie.200390499
Subject(s) - nickel , cover (algebra) , regioselectivity , derivative (finance) , surface modification , metal , chemistry , stereochemistry , organic chemistry , catalysis , mechanical engineering , financial economics , engineering , economics
The “figure‐eight” cyclooctapyrrole octaphyrin‐(1.1.1.0.1.1.1.0), a compound susceptible to versatile functionalization, opens a pathway to the first dispirodiporphyrinoid obtained as a binuclear nickel complex. The stage for this transformation is set by the regioselective oxidation of octaphyrin to give the diketo derivative shown in the background. Nickel ions initiate a reaction cascade with the diketone, which leads to the nickel complex of spirodicorrole. For more information see the communication by E. Vogel and K. N. Houk et al. on page 2857ff.