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 …

γ-Amino alcohols via energy transfer enabled brook rearrangement

R Laskar, S Dutta, JC Spies, P Mukherjee… - Journal of the …, 2024‏ - ACS Publications
In the long-standing quest to synthesize fundamental building blocks with key functional
group motifs, photochemistry in the recent past has comprehensively established its …

Imidazophenothiazine-Based Thermally Activated Delayed Fluorescence Materials with Ultra-Long-Lived Excited States for Energy Transfer Photocatalysis

R Hojo, K Bergmann, SA Elgadi… - Journal of the …, 2023‏ - ACS Publications
Triplet-triplet energy transfer (EnT) is a powerful activation pathway in photocatalysis that
unlocks new organic transformations and improves the sustainability of organic synthesis …

Three-component photochemical 1, 2, 5-trifunctionalizations of alkenes toward densely functionalized lynchpins

F Paulus, C Stein, C Heusel, TJ Stoffels… - Journal of the …, 2023‏ - ACS Publications
Radical remote 1, n-difunctionalization reactions (n> 2) of alkenes are powerful tools to
efficiently introduce functional groups with selected distances into target molecules. Among …

Photocatalytic 1, 2-iminosulfonylation and remote 1, 6-iminosulfonylation of olefins

XL Luo, SS Li, YS Jiang, F Liu, SH Li, PJ **a - Organic Letters, 2023‏ - ACS Publications
A new class of iminosulfonylation reagents were developed and extensively used in the 1, 2-
iminosulfonylation of various olefins. Olefins containing bioactive molecules, such as …

Strain-enabled radical spirocyclization cascades: rapid access to spirocyclobutyl lactones and–lactams

K Das, A Pedada, T Singha, DP Hari - Chemical Science, 2024‏ - pubs.rsc.org
Spirocyclobutane derivatives have gained significant attention in drug discovery programs
due to their broad spectrum of biological activities and clinical applications. Ring-strain in …

Metal-free photosensitized aminosulfonylation of alkenes: a practical approach to β-amido sulfones

M Chen, W Sun, J Yang, LL Yuan, JQ Chen, J Wu - Green Chemistry, 2023‏ - pubs.rsc.org
A general and environmentally friendly organic photo-induced strategy was developed for
the synthesis of diverse alkyl-substituted β-amino sulfone derivatives, including primary …

Photoinduced Difunctionalization of Diazenes Enabled by N–N Radical Coupling

YS Jiang, SS Li, XL Luo, LN Chen, DN Chen… - Organic …, 2023‏ - ACS Publications
In this study, a metal-free difunctionalization strategy for diazenes was developed using a
range of bifunctionalization reagents. This strategy involves a unique N (sp3)–N (sp2) …

Visible-Light-Mediated Two Transient C(sp3) Radical-Selective Cross-Coupling via Nickel Catalyst Continuous Capture: Synthesis of Pyrroline Derivatives

B Yang, XY Wang, XT Huang, ZY Liu, X Li… - ACS …, 2023‏ - ACS Publications
Two C (sp3) radicals cross-coupling as a straightforward method for constructing C (sp3)–C
(sp3) bonds has attracted extensive attention from chemists. Unfortunately, the strategy is …

Photocatalytic Unsymmetrical Diamination of Styrenes, Indoles, and Benzofurans Facilitated by Benzotriazolyl and Iminyl Radicals

XL Luo, DD Ye, J Zheng, DN Chen, LN Chen, L Li… - Organic …, 2024‏ - ACS Publications
Utilizing energy transfer catalysis, this research employed the bifunctional reagents
benzotriazole carboxylic acid oxime esters to simultaneously generate benzotriazole and …