- (Figure "Substrate control:
addition of
achiral allylmetals to α-chiral aldehydes"). The
allylmetal reagents used
include boron, tin and titanium. Cram’s...
-
carbonyl allylation using a
chiral allylmetal reagent, an
allylborane derived from camphor. Subsequently,
other chiral allylmetal reagents were
developed by Kumada...
-
specifically the use of
tartrate ester modified allylboronates and
other allylmetal compounds for the aldol-like
construction of propionate-derived systems...
- reactions, phosphorus-stabilized anions,
aldol chemistry,
asymmetric allylmetal chemistry, silicon-based cross-coupling reactions, phase-transfer catalysis...
-
balanced by
reduction of allenes,
dienes or
allyl acetate to
generate allylmetal-carbonyl
pairs that
combine to give
products of
carbonyl addition. In...
- [(η5-C5H5)Fe(CO)2(CH2CH=CHR)]
possessing η1-allyl
groups are
analogous to main
group allylmetal species (M = B, Si, Sn, etc.) and
react with
carbon electrophiles to give...
-
Hoffmann reported the
first asymmetric carbonyl allylation using a
chiral allylmetal reagent, an
allylborane derived from camphor. Such
methods utilize preformed...