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Reaction of Unsaturated Vicinal Phosphane/Borane Frustrated Lewis Pairs with Benzaldehyde
Author(s) -
Ekkert Olga,
Kehr Gerald,
Daniliuc Constantin G.,
Fröhlich Roland,
Wibbeling Birgit,
Petersen Jeffrey L.,
Erker Gerhard
Publication year - 2013
Publication title -
zeitschrift für anorganische und allgemeine chemie
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.354
H-Index - 66
eISSN - 1521-3749
pISSN - 0044-2313
DOI - 10.1002/zaac.201300421
Subject(s) - frustrated lewis pair , borane , benzaldehyde , vicinal , chemistry , reactivity (psychology) , yield (engineering) , medicinal chemistry , lewis acids and bases , stereochemistry , organic chemistry , catalysis , materials science , medicine , alternative medicine , pathology , metallurgy
Diarylphosphino‐substituted alkynes undergo a 1, 1‐carboboration reaction with tris(pentafluorophenyl)borane to yield 2‐diarylphosphino‐substituted alkenylboranes. These unsaturated systems show a P/B interaction. Nevertheless, they feature a limited frustrated Lewis pair (FLP) reactivity. Four such unsaturated vicinal FLPs were shown to react with benzaldehyde to give the respective six‐membered heterocyclic P/B FLP 1, 2‐addition products, which were characterized by X‐ray diffraction.
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