Synthesis of Aza[n]helicenes (n = 4–7) via Photocyclodehydrochlorination of 1-Chloro-N-aryl-2-naphthamides

L Váňa, M Jakubec, J Sýkora… - The Journal of …, 2022 - ACS Publications
A series of aza [n] helicenes (n= 4–7) was synthesized using a
photocyclodehydrochlorination of 1-chloro-N-aryl-2-naphthamides as a general synthetic …

Transition-Metal-and Photocatalyst-Free Photoinduced Formation of Carbon–Pnictogen (–N,–P) Bonds

R Bhanja, SK Bera, P Mal - Synthesis, 2024 - thieme-connect.com
Pnictogens, classified within group 15 elements, play a pivotal role in the constitution of a
diverse array of drug molecules, natural products, and functional materials. Recent research …

Adsorption and Self-Aggregation of Chiral [5]-Aza [6] helicenes on DNA Architecture: A Molecular Dynamics Study

G Raffaini - The Journal of Physical Chemistry B, 2023 - ACS Publications
Helicenes are an extremely interesting class of conjugated molecules without asymmetric
carbon atoms but with intrinsic chirality. These molecules can interact with double-stranded …

TEMPO as Hydrogen Atom Transfer Catalyst in Enhancing Iminyl Radical Cyclization of O-Acetyl Oxime toward Phenanthridines and Isoquinolines

ZX Liu, HY Li, S Shen, XL Yang… - The Journal of Organic …, 2024 - ACS Publications
Herein, we present a strategy for promoting the cyclization of ortho-aryl or ortho alkenyl
arylketone oxime ethers C–N bonds using TEMPO as a direct hydrogen atom transfer (HAT) …

Chemoselective Cyclodehydration of α‐Acyl‐β‐arylaminoacrylamides Using Hendrickson Reagent: Access to Polysubstituted 4‐Aminoquinolines and …

J Hu, C Bhujanga Rao, Y Wang… - Advanced Synthesis …, 2023 - Wiley Online Library
A chemoselecive cyclodehydration of α‐acyl‐β‐arylaminoacrylamides via an electrophilic
activation strategy has been described. A series of substituted 4‐aminopyridines are …

Visible-light-promoted aerobic synthesis of phenanthridinones from biaryl-2-oxamic acids

JD Guo, CH Wang, Q He, XL Yang, XN Guo… - … of Photochemistry and …, 2025 - Elsevier
Phenanthridinones is an important structure found in natural products and biologically active
molecules. An intramolecular decarboxylative cyclization of biaryl-2-oxamic acids is here …

Introduction of Phosphinine Ring into Aromatic Systems via Alkyne Cyclization

E Mizerová, M Kos, M Jakubec… - Advanced Synthesis …, 2025 - Wiley Online Library
Recently developed synthetic protocols for the preparation of λ3‐phosphanaphthalenes
have broadened the general scope of organophosphorus chemistry, but a versatile protocol …

Efficient synthesis of novel fluorinated phenanthridin-6 (5H)-one derivatives and in vitro evaluation of their antiviral activity

L Gurskaya, L Politanskaya, J Wang, P Ilyina… - Journal of Fluorine …, 2024 - Elsevier
A convenient and efficient method for the synthesis of fluorinated phenanthridin-6 (5H)-ones
from the corresponding 2-isocyanato-1, 1′-biphenyls mediated by trifluoromethanesulfonic …

Amide moiety as analogue of double bond in aza-1, 3, 5-hexatriene system: Photochemical synthesis of benzofuro [3, 2-c] isoquinolines

TT Karibov, BV Lichitsky, AN Komogortsev… - Tetrahedron, 2023 - Elsevier
For the first time the possibility of regiospecific photocyclization of 3-amido-2-
arylbenzofurans was demonstrated. Distinctive feature of the studied photoreaction is …