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The Structures of 1,n‐Bis(9‐lithio‐9‐fluorenyl)ethane · 8 THF and ‐hexane · 8 THF as Models for Solvent‐Separated Ion Pairs
Author(s) -
Becker Bardo,
Enkelmann Volker,
Müllen Klaus
Publication year - 1989
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.198904581
Subject(s) - carbanion , solvent , lithium (medication) , ion , hexane , molecule , chemistry , crystal structure , tetrahydrofuran , electromagnetic shielding , inorganic chemistry , photochemistry , medicinal chemistry , organic chemistry , materials science , medicine , endocrinology , composite material
The shielding of the lithium ions in 1 and 2 by THF molecules prevents an interaction with the carbanion. Therefore, the structures of these compounds in the crystal can be viewed as models of solvent‐separated ion pairs.