Lewis Acid/Base Interaction Matrix Database
|Reduction of the Organic π-System|
|Bonding:||π-System Lewis Acids form complexes with hydride ions which exist as C-H bonds.|
|Charge:||Complexes may be negatively charged or they may be neutral.|
π-System Lewis acids are reduced by s-HOMO Lewis bases:
Hydride ion donor reagents, such as lithium aluminium hydride or sodium borohydride, both Type 6 complexes:
H2 plus transition metal catalyst:
During such reductions the hydrogen is likely to be in the form of a transition metal/hydride Type 21 complex.
The saline hydride reagents, NaH etc., Type 5 complexes, are generally too Brønsted basic to be used as organic reducing agents.
|Congeneric Series:||Few series or planars of interest.|
|Type 17 Lewis acid/base complex (generic)
|Interactions and reactions classified as:|
|Poster||Nucleophiles & Bases|
© Mark R. Leach 1999 –
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