(NH4)2S2O8 promoted tandem radical cyclization of quinazolin-4(3H)-ones with oxamic acids for the construction of fused quinazolinones under metal-free conditions
Organic & Biomolecular Chemistry,
Год журнала:
2024,
Номер
22(11), С. 2241 - 2251
Опубликована: Янв. 1, 2024
A
novel
cascade
radical
addition/cyclization
reaction
of
non-activated
olefins
and
oxamic
acids
has
been
proposed.
Язык: Английский
Photoinduced palladium-catalyzed radical addition/cyclization of unactivated alkenes with alkyl halides toward alkylated ring-fused quinazolinones
Journal of Organometallic Chemistry,
Год журнала:
2024,
Номер
1008, С. 123066 - 123066
Опубликована: Фев. 18, 2024
Язык: Английский
Acid-catalyzed radical tandem alkylation/cyclization of unactivated alkenes with ketones: Access to ketoalkyl-substituted quinazolinone derivatives
Jian-Li Wu,
Meng Yan,
Lulu Fan
и другие.
Tetrahedron,
Год журнала:
2024,
Номер
162, С. 134085 - 134085
Опубликована: Июнь 11, 2024
Язык: Английский
Photoredox/HAT-Catalyzed Intramolecular Hydrocyclization of Alkenes toward 2,3-Fused Quinazolinones and Dihydroquinazolinones
Organic Letters,
Год журнала:
2024,
Номер
unknown
Опубликована: Окт. 2, 2024
New
photochemical
approaches
to
2,3-fused
quinazolinones
and
dihydroquinazolinones
are
disclosed.
The
intramolecular
hydrocyclization
proceeds
in
moderate
excellent
yields
across
diverse
alkenes
with
high
regioselectivity
diastereocontrol.
Mechanistic
studies
indicated
that
the
radical
cascade
processes
involve
thiophenol
acting
as
single-electron
transfer
hydrogen
atom
reagents.
success
of
gram-scale
synthesis
proves
strategy
can
be
used
for
practical
applications.
Язык: Английский
Metal-free Synthesis of 1,1-Dimethyl-2,2,2-trifluoroethyl Substituted Quinazolinones via Tandem Radical Cyclization of Quinazolin-4(3H)-ones with 3,3,3-Trifluoro-2,2-dimethylpropanoic acid
Organic & Biomolecular Chemistry,
Год журнала:
2024,
Номер
22(31), С. 6376 - 6384
Опубликована: Янв. 1, 2024
A
metal-free
(NH
Язык: Английский
Visible-light-induced selective hydrolipocyclization and silylation of alkenes: access to ring-fused quinazolin-4(3H)-ones and their silicon-substituted derivatives
Organic Chemistry Frontiers,
Год журнала:
2024,
Номер
11(21), С. 6019 - 6025
Опубликована: Янв. 1, 2024
A
visible-light-induced
intermolecular
silylation
and
hydrolipocyclization
using
hydrosilane
as
the
hydrogen
silicon
source
has
been
developed,
which
provided
an
efficient
pathway
for
synthesis
of
organosilanes
polycyclic
quinazolinones.
Язык: Английский
Unveiling the role of Lewis bases in cascade furan Diels–Alder cycloadditions: asymmetric synthesis of polycyclic quinazolinones
Organic Chemistry Frontiers,
Год журнала:
2024,
Номер
11(19), С. 5488 - 5494
Опубликована: Янв. 1, 2024
A
Lewis
base
catalyzed
asymmetric
substitution/IMDAF
reaction
for
the
synthesis
of
polycyclic
quinazolinones
has
been
developed.
The
key
role
in
IMDAF
process
unveiled.
Язык: Английский