Results 111 to 120 of about 4,693 (246)

Photochemical Ring Opening of Cyclopropyl Silyl Ethers Enables β–β Coupling, Radical‐Polar Crossover and Annulation

Angewandte Chemie, EarlyView.
A photochemical platform enables β–β coupling of cyclopropyl silyl ethers with electron‐deficient alkenes. The resulting adducts serve as entry points into annulative and radical–polar crossover pathways, providing rapid access to fused, bridged, and spirocyclic architectures, including late‐stage scaffold diversification to diterpene‐like carbocyclic ...
Jacop Rydén, Eilidh Young, Wilma Olsson, Eskil Flodén, Mattias Tan, Sebastian Clementson   +5 more
wiley   +2 more sources

Borylcyclopropanes: Synthetic Strategies and Applications

Angewandte Chemie, EarlyView.
Borylcyclopropanes (cyclopropanes bearing a boron substituent) sit at the intersection of two privileged frameworks in synthesis. This review provides the first exhaustive survey of their chemistry, spanning metal–carbene, nucleophilic cyclization, radical, hydroboration, and C─H activation routes, and documenting applications in medicinal chemistry ...
Aiza A. Butt, Joseph M. Ready
wiley   +2 more sources

Rapidly Diversifying Hydrogen‐Bonded Organic Frameworks With Permanent Porosity

Angewandte Chemie, EarlyView.
This article reviews diversifying hydrogen‐bonded organic frameworks (HOFs) with permanent porosity reported over the past 15 years, based on the molecular structures of their constituent tectons. Furthermore, several distinctive aspects and concepts are described, such as permanent porosity, isostructural (isoreticular) HOFs, and multicomponent mixed ...
Taito Hashimoto, Ichiro Hisaki
wiley   +2 more sources

Deep learning and multi-statistical features: an intra-frame forgery detection video method. [PDF]

Front Artif Intell
Uliyan D, Alazmi ME, Alsaffar M, Al-Dlalah M, Alazmi M.   +4 more
europepmc   +1 more source

FreqMamba: Spatial-Frequency Fusion and State Space Sequence Modeling for Deepfake Detection. [PDF]

Sensors (Basel)
Li Z, Chen Y, Li M, Wang R, Liu H.
europepmc   +1 more source

Artful Forgery

Perception, 2006
openaire   +2 more sources

WAFF: A Synergetic Face Forgery Video Detection Method via Weakly Supervised EfficientNet. [PDF]

J Imaging
Pan Z, Chen B, Ma L, Jin D, Zhou Y, Huang Y.   +5 more
europepmc   +1 more source

DeepForgeryNet: a hybrid CNN-LSTM and transfer learning framework for robust image forgery and deepfake detection. [PDF]

Front Artif Intell
Sardhara A, Vekariya V, Pathak AR, Dash S.   +3 more
europepmc   +1 more source

A hybrid model for image forgery detection using deep learning with block and keypoint methods. [PDF]

Sci Rep
Mehrjardi FZ, Zarchi MS.
europepmc   +1 more source

Unified Synthesis of Unconventional α‐Polyhalogenated Amines Through Hydroaminoalkylation

Angewandte Chemie International Edition, EarlyView.
A unified, redox‐neutral method that transforms alkenes and alkynes into α‐polyhalomethyl amines using stable hemiaminal reagents is reported. This approach enables access to CF3, CF2H, CF2Cl, and CFClH motifs, expanding halogenated amine space with broad substrate scope, functional group tolerance, and applicability to late‐stage modification of drug ...
Angela K. Hofmeister, Giulia Iannelli, Péter Angyal, Augustin Malandain, Daniel Kaiser, Boris Maryasin, Hanspeter Kählig, Matteo Barel, Gaia Novarino, Nuno Maulide   +9 more
wiley   +1 more source