Aqueous amine-tolerant [2+ 2] photocycloadditions of unactivated olefins

CMF Mansson, NZ Burns - Journal of the American Chemical …, 2022 - ACS Publications
The Kochi–Salomon reaction is the only photochemical [2+ 2] cycloaddition capable of
combining two electronically unactivated olefins into a cyclobutane. Yet, the reaction has …

Visible light-gated cobalt catalysis for a spatially and temporally resolved [2+ 2+ 2] cycloaddition

KE Ruhl, T Rovis - Journal of the American Chemical Society, 2016 - ACS Publications
The ability to exert spatial and temporal control over a transition-metal catalyst offers diverse
opportunities for the fabrication of functional materials. Using an external stimulus such as …

[HTML][HTML] Intermolecular 2+ 2 imine-olefin photocycloadditions enabled by Cu (I)-alkene MLCT

DM Flores, ML Neville, VA Schmidt - Nature communications, 2022 - nature.com
Abstract 2+ 2 Photocycloadditions are idealized, convergent construction approaches of 4-
membered heterocyclic rings, including azetidines. However, methods of direct excitation …

An elusive thermal [2+ 2] cycloaddition driven by visible light photocatalysis: tapping into strain to access C 2-symmetric tricyclic rings

K Singh, W Trinh, JD Weaver - Organic & Biomolecular Chemistry, 2019 - pubs.rsc.org
A mild and operationally simple methodology is reported for the synthesis of cyclobutane
rings imbedded within a C2-symmetric tricyclic framework. The method uses visible light and …

Photocatalytic [3+ 2] Cycloaddition of Alkyl/aryl Iodides and Internal Alkynes by Merging Halogen and Hydrogen Atom Transfer

Z Gu, R Jia, T Zeng, H Zheng… - Chinese Journal of …, 2024 - Wiley Online Library
Comprehensive Summary A visible light photocatalytic [3+ 2] cycloaddition of alkynes with
readily accessible organic iodides as the C3 synthon is developed herein. By merging …

Carboxylic acid and metal ion co-driven assembly of triene coordination polymers for [2+ 2] photocycloaddition

XR Xue, C Cao, Y Ge, QY Li, MJ Zhang, Q Liu… - Inorganic Chemistry …, 2023 - pubs.rsc.org
The application of coordination polymers (CPs) as a platform to control the arrangement of
olefin-containing ligands to produce cyclobutane derivatives by [2+ 2] photocycloaddition …

Transition metal complexes: A new era of photosensitizers for Dearomative photocycloaddition/annulation via energy and Electron transfer Photocatalysis

RN Yadav, AK Srivastava, S Dey, A Das… - Coordination Chemistry …, 2024 - Elsevier
Dearomative photocycloaddition reactions offer a powerful strategy to construct sp 3-rich 3D
frameworks adorned with diverse functionalities from readily available 2D feedstocks. This …

Asymmetric synthesis of cyclic β-amino carbonyl derivatives by a formal [3+ 2] photocycloaddition

L Mollari, MA Valle-Amores… - Chemical …, 2022 - pubs.rsc.org
Herein, a visible-light mediated strategy unlocking a family of cyclic β-amino carbonyl
derivatives bearing three contiguous stereogenic centres is introduced. The overall reactivity …

Catalytic Enantioselective Cycloaddition Transformation of Tricyclic Arenes Enabled by a Dual-Role Chiral Cage-Reactor

J Chen, X Wu, S Huang, J Yang, YL Lu, Z Jiao… - ACS …, 2024 - ACS Publications
An enzyme mimic catalytic system was established by employing a chiral metal–organic
cage as the supramolecular reactor, and asymmetric dearomative Diels–Alder (D–A) …

[HTML][HTML] Charge-recombinative triplet sensitization of alkenes for DeMayo-type [2+ 2] cycloaddition

Y Lee, BH Jhun, S Woo, S Kim, J Bae, Y You… - Chemical Science, 2024 - pubs.rsc.org
Synthetic photochemistry has undergone significant development, largely owing to the
development of visible-light-absorbing photocatalysts (PCs). PCs have significantly …