Organic & Biomolecular Chemistry,
Journal Year:
2023,
Volume and Issue:
22(5), P. 998 - 1009
Published: Dec. 26, 2023
An
efficient
Ru(
ii
)-catalyzed
C–H
activation-based
spiroannulation
of
benzoxazines
with
easily
available
benzoquinone
and
N
-sulfonyl
quinone
monoimine
has
been
realized,
providing
a
straightforward
strategy
to
access
NH-containing
spiropyrans.
