-
cyclopropane just as a
carbene would do.
Carbenoids appear as
intermediates in many
other reactions. In one
system a
carbenoid chloroalkyllithium reagent is prepared...
-
warming and to
carbenoids by
treatment with a Rh(II) or Cu(II) salt such as Rh2(OAc)4 or CuCl2. The transition-metal-derived
carbenoids,
which have a metal ––...
- in the Simmons–Smith
reaction due to the
electrophilicity of the zinc
carbenoids. For example, the use of
excess reagent for long
reaction times almost...
-
Cyclopropanation is also
stereospecific as the
addition of
carbene and
carbenoids to
alkenes is a form of a
cheletropic reaction, with the
addition taking...
-
proposals generally invoke organozinc intermediates,
sometimes including zinc
carbenoids,
either as
discrete species or as
organic fragments bound to the zinc...
- more accessible. Ring
contractions proceed via anionic, cationic, and
carbenoid intermediates. In the Arndt–Eistert reaction, an α-diazoketone is induced...
- the
corresponding rhodium-catalyzed reactions. (13)
Substituted zinc
carbenoids can be
prepared from the
corresponding ketones or
aldehydes through a...
- of a
peroxide Cyclopropanation cyclopropanes addition of
carbenes or
carbenoids Hydroacylation ketones oxidative addition /
reductive elimination by metal...
- 1999). "Asymmetric
Total Synthesis of (+)-Codeine via
Intramolecular Carbenoid Insertion". The
Journal of
Organic Chemistry. 64 (21): 7871–7884. doi:10...
- contributor, e.g.:
Halonium ylides can be
prepared from
allyl halides and
metal carbenoids.
After a [2,3]-rearrangement, a
homoallylhalide is obtained. The active...
