Last Updated：2025/12/31
Sentence
Intramolecular
cyclopropanation
of
a
gold(I)
carbene
can
lead
to
very
complex
structures
starting
from
7-alkynylcyclohepta-1,3,5-trienes
95
(Scheme
25
).
116
This
reaction
generates
highly
fluxional
barbaralyl
gold(I)
cations
96
that
can
be
trapped
by
the
pending
alkene
to
form
97a,
b,
which
are
in
equilibrium
by
Cope
rearrangement
both
in
the
solid
state
and
in
solution.
Quizzes for review
Intramolecular cyclopropanation of a gold(I) carbene can lead to very complex structures starting from 7-alkynylcyclohepta-1,3,5-trienes 95 (Scheme 25 ). 116 This reaction generates highly fluxional barbaralyl gold(I) cations 96 that can be trapped by the pending alkene to form 97a, b, which are in equilibrium by Cope rearrangement both in the solid state and in solution.
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