Accessing photoredox transformations with an iron (III) photosensitizer and green light

A Aydogan, RE Bangle, A Cadranel… - Journal of the …, 2021 - ACS Publications
Efficient excited-state electron transfer between an iron (III) photosensitizer and organic
electron donors was realized with green light irradiation. This advance was enabled by the …

Π–Π Stacking complex induces three‐component coupling reactions to synthesize functionalized amines

T Zhang, J Vanderghinste, A Guidetti… - Angewandte …, 2022 - Wiley Online Library
Abstract π‐π stacking and ion‐pairing interactions induced the generation of α‐amino
radicals under the irradiation of visible light without the requirement of an expensive …

Photocatalytic late-stage functionalization of sulfonamides via sulfonyl radical intermediates

MJ Tilby, DF Dewez, LRE Pantaine, A Hall… - ACS …, 2022 - ACS Publications
A plethora of drug molecules and agrochemicals contain the sulfonamide functional group.
However, sulfonamides are seldom viewed as synthetically useful functional groups. To …

Catalyst‐Dependent Stereospecific [3,3]‐Sigmatropic Rearrangement of Sulfoxide‐Ynamides: Divergent Synthesis of Chiral Medium‐Sized N,S‐Heterocycles

GY Zhu, JJ Zhou, LG Liu, X Li, XQ Zhu, X Lu… - Angewandte …, 2022 - Wiley Online Library
Medium‐sized N, S‐heterocycles have received tremendous interest due to their biological
activities and potential medical applications. However, asymmetric synthesis of these …

A facile and versatile electro-reductive system for hydrodefunctionalization under ambient conditions

B Huang, L Guo, W Xia - Green Chemistry, 2021 - pubs.rsc.org
A general electrochemical system for reductive hydrodefunctionalization is described,
employing the inexpensive and easily available triethylamine (Et3N) as a sacrificial …

Photoredox-mediated desulfonylative radical reactions: an excellent approach towards C–C and C–heteroatom bond formation

B Paul, H Paul, I Chatterjee - Synthesis, 2022 - thieme-connect.com
In recent times, desulfonylative radical-cross-coupling (RCC) has come to the forefront in
synthetic organic, bio, and material chemistry as a powerful strategy to form C–C and C …

Blue Light Irradiated Metal-, Oxidant-, and Base-Free Cross-Dehydrogenative Coupling of C(sp2)–H and N–H Bonds: Amination of Naphthoquinones with Amines

RK Jha, M Batabyal, S Kumar - The Journal of Organic Chemistry, 2023 - ACS Publications
Herein, we report a blue-light-driven amination of C (sp 2)–H bond of naphthoquinones and
quinones with the N–H bond of primary and secondary amines for the synthesis of 2-amino …

Integrated nickel/polymer dual catalytic system for visible-light-driven sulfonamidation between aryl halides and aryl sulfonamides

Z Li, Y Song, T Shao, S Huang, L Sun, J Hou - Chem Catalysis, 2022 - cell.com
By merging transition metal and heterogeneous photocatalyst, a metal-photoredox system
has attracted more attention for cross-coupling of various dual photoredox catalysis …

Alkynyl Prins carbocyclization cascades for the synthesis of linear-fused heterocyclic ring systems

JJ Hernandez, AJ Frontier - Chemical Science, 2022 - pubs.rsc.org
We report a Brønsted acid-catalyzed carbocyclization cascade, featuring condensation of an
alcohol/sulfonamide with an aldehyde followed by an intramolecular three-component …

A heavy-metal-free desulfonylative Giese-type reaction of benzothiazole sulfones under visible-light conditions

T Sengoku, D Ogawa, H Iwama, T Inuzuka… - Chemical …, 2021 - pubs.rsc.org
A visible-light-induced desulfonylative Giese-type reaction has been developed. Essential to
the success is the employment of Hantzsch ester to activate benzothiazole sulfones without …