- "Studies on the Manganese-Mediated
Isomerization of
Alkynyl Carbonyls to
Allenyl Carbonyls". The
Journal of
Organic Chemistry. 70 (18): 7443–7446. doi:10...
-
elimination occurs. (See
Interrupted cyclizations below)
Along this same vein,
allenyl vinyl ketones of the type
studied extensively by
Marcus Tius of the University...
-
itself also
called allene. A
group of the
structure R2C=C=CR− is
called allenyl,
while a
substituent attached to an
allene is
referred to as an allenic...
- acetylides. An
organostannane addition is
nucleophilic addition of an allyl-,
allenyl-, or
propargylstannanes to
aldehydes and imines,[citation needed] whereas...
-
below for the
torquoselective Nazarov cyclization reaction of a
chiral allenyl vinyl ketone. Jefford, C.W.; Bernardinelli, G.; Wang, Y.; Spellmeyer, D...
- magnesium,
propargyl bromide gives the
Grignard reagent formally derived from
allenyl bromide, i.e., CH2=C=CHMgBr.
Propargyl bromide is a
lachrymator and an...
-
coplanar with the
empty p-orbital. Like
arylvinyl cations,
dienyl and
allenyl cations are also
stabilized by conjugation. Once again,
double bonds in...
-
deprotonated with
amine bases like Et3N to give
neutral Fp–allyl and Fp–
allenyl σ-complexes (eqn 1). (1) Fp(H 2C=CHCH 2CH 3)+ BF− 4 + Et3N → FpCH2CH=CHCH3...
- H2C=CH−, has an
inversion barrier of 27 kcal/mol (110 kJ/mol),
while allenyl anion or allenide, H2C=C=CH− ↔ H2C−−C≡CH),
whose negative charge is stabilized...
-
Organostannane addition reactions comprise the
nucleophilic addition of an allyl-,
allenyl-, or
propargylstannane to an aldehyde, imine, or, in rare cases, a ketone...
