Energy transfer photocatalysis: exciting modes of reactivity

S Dutta, JE Erchinger, F Strieth-Kalthoff… - Chemical Society …, 2024 - pubs.rsc.org
Excited (triplet) states offer a myriad of attractive synthetic pathways, including
cycloadditions, selective homolytic bond cleavages and strain-release chemistry …

Strain-release photocatalysis

P Bellotti, F Glorius - Journal of the American Chemical Society, 2023 - ACS Publications
The concept of strain in organic compounds is as old as modern organic chemistry and was
initially introduced to justify the synthetic setbacks along the synthesis of small ring systems …

ortho-Selective Dearomative [2π + 2σ] Photocycloadditions of Bicyclic Aza-Arenes

R Kleinmans, S Dutta, K Ozols, H Shao… - Journal of the …, 2023 - ACS Publications
Dearomative photocycloadditions are valuable chemical transformations, serving as an
efficient platform to create three-dimensional molecular complexity. However, the …

Energy-transfer-induced [3+ 2] cycloadditions of N–N pyridinium ylides

W Lee, Y Koo, H Jung, S Chang, S Hong - Nature Chemistry, 2023 - nature.com
Photocycloaddition is a powerful reaction to enable the conversion of alkenes into high-
value synthetic materials that are normally difficult to obtain under thermal conditions …

Visible-Light-Mediated Energy Transfer Enables Cyclopropanes Bearing Contiguous All-Carbon Quaternary Centers

D Xia, R Wu, J Wang, X Han, Y Li, Q Li, X Luan… - ACS …, 2023 - ACS Publications
Cyclopropanes bearing contiguous all-carbon quaternary centers continue to attract
attention due to their bioactivities. However, methods to obtain cyclopropanes with …

Photochemical dearomative cycloadditions of quinolines and alkenes: scope and mechanism studies

R Guo, S Adak, P Bellotti, X Gao… - Journal of the …, 2022 - ACS Publications
Photochemical dearomative cycloaddition has emerged as a useful strategy to rapidly
generate molecular complexity. Within this context, stereo-and regiocontrolled …

Oxidative dearomatization of pyridines

Z Siddiqi, TW Bingham, T Shimakawa… - Journal of the …, 2024 - ACS Publications
Dearomatization of pyridines is a well-established synthetic approach to access piperidines.
Although remarkably powerful, existing dearomatization processes have been limited to the …

Photocascade chemoselective controlling of ambident thio (seleno) cyanates with alkenes via catalyst modulation

IU Hoque, A Samanta, S Pramanik… - Nature …, 2024 - nature.com
Controlling the ambident reactivity of thiocyanates in reaction manifolds has been a long-
standing and formidable challenge. We report herein a photoredox strategy for installing …

Uncanonical semireduction of quinolines and isoquinolines via regioselective HAT-promoted hydrosilylation

C Hu, C Vo, RR Merchant, SJ Chen… - Journal of the …, 2022 - ACS Publications
Heterocycles are the backbone of modern medical chemistry and drug development. The
derivatization of “an olefin” inside aromatic rings represents an ideal approach to access …

High‐Throughput Experimentation and Machine Learning‐Assisted Optimization of Iridium‐Catalyzed Cross‐Dimerization of Sulfoxonium Ylides

Y Xu, Y Gao, L Su, H Wu, H Tian… - Angewandte Chemie …, 2023 - Wiley Online Library
A novel and convenient approach that combines high‐throughput experimentation (HTE)
with machine learning (ML) technologies to achieve the first selective cross‐dimerization of …